AD 75-22-13
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | Litton Systems | 707-100 Long Body | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 707-100B Long Body | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 707-100B Short Body | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 707-200 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 707-300 Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 707-300B Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 707-300C Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 707-400 Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 747-100 Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| aircraft | The Boeing Company | Litton Systems | 747-100B Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-100 Long Body | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-100B Long Body | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-100B Short Body | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-200 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-300 Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-300B Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-300C Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 707-400 Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 747-100 Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 747-100B Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 747-200B Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 747-200C Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 747-200F Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | 747SR Series | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-10-10 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-10-10F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-10-15 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-10-30 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-10-40 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-10-40F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-11 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-12 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-21 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-31 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-32 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-33 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-41 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-42 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-43 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-51 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-52 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-53 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-55 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-61 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-61F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-62 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-62F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-63 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-63F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-71 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-71F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-72 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-72F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-73 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8-73F | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8F-54 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | DC-8F-55 | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
| appliance | The Boeing Company | Litton Systems | Inertial Navigation Systems | Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems |
Unsafe Condition
Failure to provide a failure warning indication of power loss in the LTN-72 inertial navigation systems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Accomplish Litton Service Bulletin No. 34-72-80, dated February 20, 1975, or later FAA-approved revision, or an equivalent installation approved by the Chief, Aircraft Engineering Division, FAA Western Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to January 1, 1976 unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Litton Systems, Inc., Aero Products Division LTN-72 inertial navigation systems installed on various airplane models, including McDonnell Douglas DC-8 and DC-10 airplanes and Boeing 707 and 747 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Inertial Navigation Systems
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-22-13.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-22-13 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Iner...Show more Subject: Inertial Navigation Systems Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/01/1975 Make: The Boeing Company | Litton Systems Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-22-13 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2404 AD NUMBER: 75-22-13 SUBJECT HEADING: Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems ACTION: SUMMARY: DATES: Effective December 1, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-22-13 LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Amendment 39-2404. Applies to all LTN-72 inertial navigation systems installed on various airplane models, certificated in all categories, including, but not limited to, McDonnell Douglas DC-8 and DC-10 airplanes and Boeing 707 and 747 airplanes. Compliance required as indicated prior to January 1, 1976 unless already accomplished. To provide the required failure warning indication of power loss, accomplish Litton Service Bulletin No. 34-72-80, dated February 20, 1975, or later FAA-approved revision, or an equivalent installation approved by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment becomes effective December 1, 1975. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_75-22-13.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-22-13 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Iner...Show more Subject: Inertial Navigation Systems Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/01/1975 Make: The Boeing Company | Litton Systems Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-22-13 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2404 AD NUMBER: 75-22-13 SUBJECT HEADING: Airworthiness Directives; LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Applies To All LTN-72 Inertial Navigation Systems ACTION: SUMMARY: DATES: Effective December 1, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-22-13 LITTON SYSTEMS, INC., AERO PRODUCTS DIVISION: Amendment 39-2404. Applies to all LTN-72 inertial navigation systems installed on various airplane models, certificated in all categories, including, but not limited to, McDonnell Douglas DC-8 and DC-10 airplanes and Boeing 707 and 747 airplanes. Compliance required as indicated prior to January 1, 1976 unless already accomplished. To provide the required failure warning indication of power loss, accomplish Litton Service Bulletin No. 34-72-80, dated February 20, 1975, or later FAA-approved revision, or an equivalent installation approved by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment becomes effective December 1, 1975. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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