Enter your tail number below. We'll pull your aircraft's make, model, serial, and engine from the FAA registry and find applicable ADs. Need to search without a tail number? Use Advanced search.
Evaluated 150 candidate ADs: 141 confirmed, 9 possible, 0 excluded.
Airworthiness Directives; The Boeing Company Model 707 Airplanes, and Model 720 and 720B Series Airplanes
Effective: Jan 12, 2010
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; Boeing Model 707-300B, -300C, and -400 Series Airplanes
Effective: Aug 16, 2005
Per source metadata: Boeing / 707-300B
Airworthiness Directives; Various Boeing and McDonnell Douglas Transport Category Airplanes
Effective: Dec 22, 2003
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts
Effective: Mar 18, 1999
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; AlliedSignal Inc. GTCP85 Series Auxiliary Power Units
Effective: Mar 24, 1997
Per source metadata: Airbus SAS | Alliedsignal Inc | The Boeing Company / BAC 1-11 200 Series; Airbus SAS | Alliedsignal Inc | The Boeing Company / BAC 1-11 400 Series; Airbus SAS | Alliedsignal Inc | The Boeing Company / Auxiliary Power Units; Airbus SAS | Alliedsignal Inc | The Boeing Company / 707-100 Long Body; Airbus SAS | Alliedsignal Inc | The Boeing Company / 707-100B Long Body (and 5 more…
Airworthiness Directives; Sundstrand T-62T-40C Series Auxiliary Power Units
Effective: Jan 13, 1997
Per source metadata: BAE Systems (Operations) Limited | The Boeing Company | Bombardier Inc. | Cessna Aircraft Company | Dassault Aviation | Embraer - Empresa Brasileira de Aeronautica S.A. | Airbus Helicopters | Fokker Services | Gulfstream Aerospace Corporation | Textron Aviation Inc. | Kelowna Flightcraft R & D Ltd. | Lockheed Martin Corporation | Sabreliner Corporation | Sundstrand Aerospace |…
Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes
Effective: Sep 13, 1995
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; AlliedSignal Aerospace GTCP85 Series Auxiliary Power Units
Effective: May 3, 1995
Per source metadata: Allliedsignal Aerospace | The Boeing Company | Lockheed Martin Corporation / Auxiliary Power Units; Allliedsignal Aerospace | The Boeing Company | Lockheed Martin Corporation / 707-100 Long Body; Allliedsignal Aerospace | The Boeing Company | Lockheed Martin Corporation / 707-100B Long Body; Allliedsignal Aerospace | The Boeing Company | Lockheed Martin Corporation / 707-100B …
Airworthiness Directives; Boeing Model 707/720 Series Airplanes
Effective: Jun 20, 1994
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; Boeing Model 707 Series Airplanes
Effective: Apr 21, 1994
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
Airworthiness Directives; BOEING Model 707 and 720 Series Airplanes
Effective: Jul 6, 1993
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING Model 707/720, 727, and 737 Series Airplanes
Effective: May 5, 1993
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING AND MCDONNELL DOUGLAS Models 707, 727, 737, 747, and 757 and McDonnell Douglas Models DC-8, DC-9, and DC-10 Series Airplanes;
Effective: May 2, 1993
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; GARRETT AIRRESEARCH All Aircraft Equipped with Garrett AirResearch AircraftStarters that are Installed in, but not limited to, Boeing Models 707, 727, and 737 Airplanes and McDonnell Douglas Models DC-8, DC-9, and DC-10 Airplanes
Effective: Aug 31, 1992
Per source metadata: The Boeing Company | Garrett Airresearch / 707-100 Long Body; The Boeing Company | Garrett Airresearch / 707-100B Long Body; The Boeing Company | Garrett Airresearch / 707-100B Short Body; The Boeing Company | Garrett Airresearch / 707-200; The Boeing Company | Garrett Airresearch / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING Model 707 and 720 Series Airplanes
Effective: Jul 2, 1992
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING Model 707-300, -300B, -300C, and -400 Series Airplanes
Effective: Feb 25, 1992
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
Airworthiness Directives; BOEING Model 707/720 Series Airplanes
Effective: Nov 29, 1991
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING Model 707/720 Series Airplanes
Effective: Apr 29, 1991
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING Model 707/720 Series Airplanes
Effective: Dec 31, 1990
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING Model 707-300, -300B, -300C and -400 Series Airplanes
Effective: Dec 30, 1988
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
Airworthiness Directives; BOEING, MCDONNELL DOUGLAS, LOCKHEED, DEHAVILLAND, FAIRCHILD, NIHON, AND GRUMMAN Specified Models
Effective: May 18, 1987
Per source metadata: The Boeing Company | Gulfstream Aerospace Corporation | Lockheed Martin Corporation | Maryland Air Industries, Inc. | Mitsubishi Heavy Industries, Ltd. | Viking Air Limited / 707-100 Long Body; The Boeing Company | Gulfstream Aerospace Corporation | Lockheed Martin Corporation | Maryland Air Industries, Inc. | Mitsubishi Heavy Industries, Ltd. | Viking Air Limited / 707-100B L…
Airworthiness Directives; BOEING Model 707-300 Series Airplanes
Effective: Mar 30, 1987
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
BOEING Model 707/720 Series Airplanes
Effective: Nov 14, 1986
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707-300 Series Airplanes
Effective: Oct 13, 1986
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
BOEING Model 707 and 720 Series Aircraft
Effective: Jan 3, 1984
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707, 720, 727, and 737 Series Airplanes
Effective: Jun 21, 1983
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707/720 Series Airplanes
Effective: Nov 23, 1982
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 720/720B, 707-300, 707-400, 707- 300B, and 707-300C Series Airplanes
Effective: Nov 15, 1982
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series; The Boeing Company / 720 Series (and 1 more)
BOEING Model 707/720 Series Airplanes
Effective: Sep 30, 1982
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707/720 Series Airplanes
Effective: Aug 10, 1981
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707/720 and 727 Series Airplanes
Effective: Jul 15, 1980
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707/720/727/737/747 Series Airplanes
Effective: Apr 21, 1980
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707-300, -300B, - 300C, and -400 Series Airplanes
Effective: Apr 17, 1980
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
Airworthiness Directives; AiResearch Manufacturing Company of Arizona: Applies to Model GTCP85 series Auxiliary Power Units (APUs)
Effective: Oct 8, 1979
Per source metadata: Airbus SAS | Airesearch | The Boeing Company | Dassault Aviation | Textron Aviation Inc. | Lockheed Martin Corporation / BAC 1-11 200 Series; Airbus SAS | Airesearch | The Boeing Company | Dassault Aviation | Textron Aviation Inc. | Lockheed Martin Corporation / BAC 1-11 400 Series; Airbus SAS | Airesearch | The Boeing Company | Dassault Aviation | Textron Aviation Inc. | Lock…
BOEING Model 707-300/-400/-300B/-300C Airplanes
Effective: Jun 25, 1979
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
BOEING Model 707-300/400/300B/300C Series Airplanes
Effective: Mar 1, 1978
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
BOEING Model 707-300, -400, -300B, -300C Series Airplanes
Effective: Nov 1, 1977
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
BOEING Model 707-300/400/300B/300C Series Airplanes
Effective: Aug 15, 1977
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
BOEING Model 707-300, -300B/C, and -400 Series Airplanes
Effective: Apr 21, 1976
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
Airworthiness Directives; TRANSPORT CATEGORY AIRPLANES: Applies to all Transport Category Airplanes Equipped with Side-Facing Seats
Effective: Apr 1, 1976
Per source metadata: The Boeing Company | Lockheed Martin Corporation / 707-300B Series; The Boeing Company | Lockheed Martin Corporation / 727-100 Series; The Boeing Company | Lockheed Martin Corporation / 188A; The Boeing Company | Lockheed Martin Corporation / 188C
Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems
Effective: Dec 1, 1975
Per source metadata: The Boeing Company | Litton Systems / 707-100 Long Body; The Boeing Company | Litton Systems / 707-100B Long Body; The Boeing Company | Litton Systems / 707-100B Short Body; The Boeing Company | Litton Systems / 707-200; The Boeing Company | Litton Systems / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: Nov 24, 1975
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707/720/727/737/747 Series Airplanes
Effective: Nov 10, 1975
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707/720, 727, 737, and 747 Series Airplanes
Effective: Apr 7, 1975
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; SARGENT INDUSTRIES, PICO DIVISION: Applies to Sargent Industries, Pico Division Regulator P/N 30001
Effective: Sep 16, 1974
Per source metadata: The Boeing Company | Lockheed Martin Corporation | Sargent Industries, Pico Division / 707-100 Long Body; The Boeing Company | Lockheed Martin Corporation | Sargent Industries, Pico Division / 707-100B Long Body; The Boeing Company | Lockheed Martin Corporation | Sargent Industries, Pico Division / 707-100B Short Body; The Boeing Company | Lockheed Martin Corporation | Sargent…
BOEING Model 707 and 720 Airplanes
Effective: May 14, 1974
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: Jun 7, 1972
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707/720 Series Aircraft
Effective: Apr 1, 1972
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707/720 Airplanes
Effective: Dec 13, 1971
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707/720 Series Airplanes
Effective: Sep 2, 1971
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: Feb 13, 1971
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: Dec 11, 1970
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707/720 Series Airplanes
Effective: Aug 1, 1970
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707 Series and Boeing 720 Series Aircraft
Effective: Jun 6, 1970
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: May 16, 1970
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; SPRAGUE ENGINEERING: Applies to all Civil Aircraft Certificated in all Categories including, but not Limited to the Boeing Models 707/720/737 Aircraft and Convair Model 22 Aircraft with the Sprague Engineering Accumulator Assemblies, P/N A-200-25 and A-200-50
Effective: May 16, 1970
Per source metadata: The Boeing Company | Sprague Engineering / 707-100 Long Body; The Boeing Company | Sprague Engineering / 707-100B Long Body; The Boeing Company | Sprague Engineering / 707-100B Short Body; The Boeing Company | Sprague Engineering / 707-200; The Boeing Company | Sprague Engineering / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: Mar 28, 1970
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707, 720, and 727 Airplanes
Effective: Mar 6, 1970
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707, 720, 727 and 737 Series Airplanes
Effective: Oct 30, 1969
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Oct 2, 1969
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707/720 and 727 Series Airplanes
Effective: Sep 9, 1969
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: May 9, 1969
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Aircraft
Effective: Dec 9, 1968
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707-300, -400, -300B, and -300C Series Aircraft
Effective: Oct 25, 1968
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
BOEING Model 707 and 727 Series
Effective: May 11, 1968
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: Sep 10, 1967
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Airplanes
Effective: Jun 26, 1967
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707, 720 and 720B Series Airplanes
Effective: Dec 16, 1966
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Nov 30, 1966
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707-300, -300B, -300C, and -400 Series Airplanes
Effective: Nov 9, 1966
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
BOEING Models 707 and 720 Series Airplanes
Effective: Nov 5, 1966
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707-300B and -300C Series Airplanes
Effective: Nov 2, 1966
Per source metadata: The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
BOEING Model 707-300B, 707-300B (ADV), and 707-300C Series Airplanes
Effective: Sep 7, 1966
Per source metadata: The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
BOEING Models 707 and 720 Series Aircraft
Effective: Jun 25, 1966
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Airplanes
Effective: May 14, 1966
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Airplanes
Effective: May 13, 1966
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Airplanes
Effective: Mar 26, 1966
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707-200 and -300 Series Airplanes
Effective: Feb 22, 1966
Per source metadata: The Boeing Company / 707-200; The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
BOEING Models 707 and 720 Series Airplanes
Effective: Oct 29, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Oct 20, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707B, 707C, and 720B Series Airplanes
Effective: Oct 2, 1965
Per source metadata: The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 720B Series
BOEING Models 707 and 720 Series Airplanes
Effective: Sep 23, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Aug 1, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Jul 23, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Jul 12, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707, 720 and 727 Series Aircraft
Effective: Jun 30, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 Series Aircraft
Effective: May 29, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
BOEING Models 707 and 720 Aircraft
Effective: Apr 16, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Apr 1, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Mar 19, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Jan 23, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Jan 16, 1965
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Dec 12, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Dec 7, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Oct 22, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707, 720 and 727 Series Aircraft
Effective: Sep 24, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Sep 7, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 and 720 Series Aircraft
Effective: Sep 5, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Aug 12, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Aug 5, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707-300B and 707-300C Series Aircraft
Effective: Jul 8, 1964
Per source metadata: The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
BOEING Models 707 and 720 Series Aircraft
Effective: Jun 5, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: May 19, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Apr 13, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Mar 4, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Airplanes
Effective: Feb 7, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707 and 720 Series Aircraft
Effective: Jan 17, 1964
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Dec 24, 1963
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Jul 29, 1963
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Aircraft
Effective: Mar 19, 1963
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING Models 707-100B, 707-300B, 720-000B Series and DOUGLAS DC-8-50 Series Aircraft
Effective: Mar 7, 1963
Per source metadata: The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-300B Series; The Boeing Company / 720 Series; The Boeing Company / 720B Series (and 4 more)
BOEING 707/720 Series Aircraft
Effective: Feb 12, 1963
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707/720 Airplanes
Effective: Nov 10, 1962
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: Jun 2, 1962
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707 and 720 Series Aircraft
Effective: May 30, 1962
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Effective: May 23, 1962
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Airplanes
Effective: Feb 20, 1962
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707- 100 and 707-200 Aircraft
Effective: Nov 3, 1961
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
Airworthiness Directives; BOEING All 707/720 Series and DOUGLAS DC-8 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
Airworthiness Directives; BOEING All 707/720 Series and DOUGLAS DC-8 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707/720 Series Airplanes
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707 Series Airplanes
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
BOEING 707 and 720 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Models 707 and 720 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707-100, -200, -300 Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 2 more)
BOEING 707 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
BOEING Models 707 and 720 Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707-200 and -300 Series Airplanes
Per source metadata: The Boeing Company / 707-200; The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
BOEING Model 707 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
BOEING Model 707 and 720 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING 707 and 720 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING All Airplanes Listed in Boeing SB No. 942
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707-300B and 707-300C Series Airplanes
Per source metadata: The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series
Airworthiness Directives; BOEING Model 707 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
BOEING 707 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
BOEING Model 707 Airplanes
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
Airworthiness Directives; BOEING Model 707 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
BOEING Models 707/720/727/737 Series Airplanes
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707, 727 and 737 Series Airplanes
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 5 more)
BOEING Model 707-300, -300B, -300C and -400 Series Airplanes
Per source metadata: The Boeing Company / 707-300 Series; The Boeing Company / 707-300B Series; The Boeing Company / 707-300C Series; The Boeing Company / 707-400 Series
BOEING Model 707 Series Aircraft
Per source metadata: The Boeing Company / 707-100 Long Body; The Boeing Company / 707-100B Long Body; The Boeing Company / 707-100B Short Body; The Boeing Company / 707-200; The Boeing Company / 707-300 Series (and 3 more)
Airworthiness Directives; Columbia Helicopters, Inc. (Type Certificate Previously Held by Boeing Defense & Space Group) Helicopters
Effective: Jul 15, 2014
Per source metadata: Boeing Defense & Space Group / Various; Boeing / Various
Airworthiness Directives; Boeing Vertol (Type Certificate Currently Held by Columbia Helicopters, Inc. (CHI)) and Kawasaki Heavy Industries, Limited Helicopters (Kawasaki)
Effective: Aug 7, 2012
Per source metadata: Boeing / Various
Airworthiness Directives; The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes
Effective: Sep 26, 2011
Per source metadata: Boeing / Various
Airworthiness Directives; The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes
Effective: Aug 19, 2011
Per source metadata: Boeing / Various
Airworthiness Directives; The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes
Effective: Aug 10, 2011
Per source metadata: Boeing / Various
Airworthiness Directives; The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes
Effective: Feb 16, 2011
Per source metadata: Boeing / Various
Airworthiness Directives; The Boeing Company Model 737-700 (IGW) Series Airplanes Equipped With Auxiliary Fuel Tanks Installed in Accordance With Configuration 3 of Supplemental Type Certificate ST00936NY
Effective: Oct 18, 2010
Per source metadata: Boeing / Various
Airworthiness Directives; Goodrich Evacuation Systems Approved Under Technical Standard Orders (TSOs) TSO-C69, TSO-C69a, TSO-C69b, and TSO-C69c, Installed on Various Boeing, McDonnell Douglas, and Airbus Transport Category Airplanes
Effective: Apr 28, 2008
Per source metadata: Airbus / Transport Category; Boeing / Various; McDonnell Douglas / Various
Airworthiness Directives; Rockwell International (Aircraft Specification No. A-2-575 Previously Held by North American and Recently Purchased by Boeing) Models AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4), AT-6D (SNJ-5), AT-6F (SNJ-6), BC-1A, SNJ-7, and T-6G Airplanes; and Autair Ltd. (Aircraft Specification No. AR-11 Previously Held by Noorduyn Aviation Ltd.) Model Harvard (Army AT-16) Airplanes
Effective: Jun 23, 2005
Per source metadata: Boeing / Various; Aviat / Various; North American / Various
Free during beta. We'll email you the moment a new Airworthiness Directive is published that matches Boeing 707-300B. One email per AD. No spam, no third-party sharing.
Beta status: collecting waitlist while we wire up email delivery. You'll get one email when alerts go live — we'll honor first-100 signups with a permanent free tier.