27 ADs indexed for Arrow Falcon Exporters, Inc. | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | Global Helicopter Technology, Inc. | Hagglund Helicopters, LLC | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Southwest Florida Aviation International | Tamarack Helicopters, Inc. | West Coast Fabrications aircraft.
Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
Unsafe Condition: The failure of a tension torsion (TT) strap, which can result in loss of a main rotor blade and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters
Unsafe Condition: Stress corrosion cracking of the main transmission support case lateral mounts.
Why matched: Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters
Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted Category Helicopters
Unsafe Condition: Reports of two in-service failures of forward crosstubes due to fatigue damage, and the issuance of newly established life limits.
Why matched: Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted Category Helicopters
Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters
Unsafe Condition: Cracked main rotor blades (MRBs) with chordwise cracks originating from the extreme trailing edge between blade station 190 and 210.
Why matched: Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters
Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
Unsafe Condition: The overload clutch in the Goodrich externally-mounted hoist assemblies can fail, leading to in-flight loss of the hoist load, possibly resulting in injury to persons on the ground or in a hoisting...
Why matched: Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: Failure of a pin could result in the main rotor blade detaching from the helicopter and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: Failure of the tail boom attach structure, including the bolts, resulting in separation of the tail boom from the helicopter and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: A crack, corrosion, an edge void, loose or damaged adhesive squeeze-out, or an edge delamination in the grip plate and doublers at the blade retention bolt hole of a main rotor blade could lead to ...
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: A crack in the main rotor (M/R) blade, which could result in failure of the M/R blade and subsequent loss of helicopter control.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: Cracks originating in the lower main rotor blade bolt lug, attributed to subsurface fatigue, corrosion, and mechanical damage, leading to grip failure and potential main rotor blade separation.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: Fatigue cracks on main rotor (M/R) blades installed on Bell Helicopter Textron, Inc. (Bell) Model 212 helicopters, specifically in the lower skin, doublers, and box beam at the M/R blade attachment...
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: Missing tail rotor blade tip blocks or tip closures due to adhesive bond voids or incorrect screw installation, leading to blade loss and potential helicopter loss of control.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Arrow Falcon Exporters, Inc. (Previously Utah State University); Firefly Aviation Helicopter Services (Previously Erickson Air-Crane Co.); California Department of Forestry; Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (Previously Western International Aviation, Inc.); International Helicopters, Inc.; Precision Helicopters, LLC; Robinson Air Crane, Inc.; San Joaquin Helicopters (Previously Hawkins and Powers Aviation, Inc.) S.M.&T. Aircraft (Previously U.S. Helicopters, Inc., UNC Helicopter, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (Previously Jamie R. Hill and Southwest Florida Aviation); Tamarack Helicopters, Inc. (Previously Ranger Helicopter Services, Inc.); U.S. Helicopter, Inc. (Previously UNC Helicopter, Inc.); West Coast Fabrication; and Williams Helicopter Corporation (Previously Scott Paper Co.) Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters
Unsafe Condition: This amendment adopts a new airworthiness directive (AD) for the specified restricted category type-certificated helicopters. The AD requires a review of the helicopter records to determine the Com...
Why matched: Airworthiness Directives; Arrow Falcon Exporters, Inc. (Previously Utah State University); Firefly Aviation Helicopter Services (Previously Erickson Air-Crane Co.); California Department of Forestry; Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (Previously Western International Aviation, Inc.); International Helicopters, Inc.; Precision Helicopters, LLC; Robinson Air Crane, Inc.; San Joaquin Helicopters (Previously Hawkins and Powers Aviation, Inc.) S.M.&T. Aircraft (Previously U.S. Helicopters, Inc., UNC Helicopter, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (Previously Jamie R. Hill and Southwest Florida Aviation); Tamarack Helicopters, Inc. (Previously Ranger Helicopter Services, Inc.); U.S. Helicopter, Inc. (Previously UNC Helicopter, Inc.); West Coast Fabrication; and Williams Helicopter Corporation (Previously Scott Paper Co.) Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH- 1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters
Airworthiness Directives; CALIFORNIA DEPARTMENT OF FORESTRY; FIREFLY AVIATION HELICOPTER SERVICES (PREVIOUSLY ERICKSON AIR CRANE CO.); GARLICK HELICOPTERS, INC.; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; TAMARACK HELICOPTERS (PREVIOUSLY RANGER HELICOPTER SERVICES, INC.); ROBINSON AIRCRANE; WILLIAMS HELICOPTER CORPORATION (PREVIOUSLY SCOTT PAPER CO.); SMITH HELICOPTERS; SOUTHERN HELICOPTER INC.; SOUTHWEST FLORIDA AVIATION; UTAH STATE UNIVERSITY; WESTERN INTERNATIONAL AVIATION, INC.; UNC HELICOPTERS; AND U.S. HELICOPTER, INC. Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L,, UH-1P, SW204, SW204HP, SW205, and SW205A-1 Helicopters
Unsafe Condition: Fatigue cracks in the tailboom vertical fin spar can lead to in-flight failure and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; CALIFORNIA DEPARTMENT OF FORESTRY; FIREFLY AVIATION HELICOPTER SERVICES (PREVIOUSLY ERICKSON AIR CRANE CO.); GARLICK HELICOPTERS, INC.; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; TAMARACK HELICOPTERS (PREVIOUSLY RANGER HELICOPTER SERVICES, INC.); ROBINSON AIRCRANE; WILLIAMS HELICOPTER CORPORATION (PREVIOUSLY SCOTT PAPER CO.); SMITH HELICOPTERS; SOUTHERN HELICOPTER INC.; SOUTHWEST FLORIDA AVIATION; UTAH STATE UNIVERSITY; WESTERN INTERNATIONAL AVIATION, INC.; UNC HELICOPTERS; AND U.S. HELICOPTER, INC. Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L,, UH-1P, SW204, SW204HP, SW205, and SW205A-1 Helicopters
Airworthiness Directives; CALIFORNIA DEPARTMENT OF FORESTRY; FIREFLY AVIATION HELICOPTER SERVICES (PREVIOUSLY ERICKSON AIR-CRANE); GARLICK HELICOPTERS; HAWKINS & POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; RANGER HELICOPTER SERVICES; ROBINSON AIRCRANE, INC.; SCOTT PAPER CO. (FORMERLY OFF SHORE); SMITH HELICOPTERS; SOUTHERN HELICOPTER, INC.; SOUTHWEST FLORIDA AVIATION; UTAH STATE UNIVERSITY; UNC HELICOPTER INC. (FORMERLY WILLIAMS HELICOPTER); US HELICOPTER, INC.; WESTERN INTERNATIONAL AVIATION, INC.; AND TAMARACK HELICOPTERS Model HH-1K, SW204, SW204HP, SW205, SW205A-1, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters
Unsafe Condition: In-flight failures of the tail rotor yoke due to static or dynamic overload from excessive bending forces, which could result in loss of the tail rotor and subsequent loss of control of the helicop...
Why matched: Airworthiness Directives; CALIFORNIA DEPARTMENT OF FORESTRY; FIREFLY AVIATION HELICOPTER SERVICES (PREVIOUSLY ERICKSON AIR-CRANE); GARLICK HELICOPTERS; HAWKINS & POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; RANGER HELICOPTER SERVICES; ROBINSON AIRCRANE, INC.; SCOTT PAPER CO. (FORMERLY OFF SHORE); SMITH HELICOPTERS; SOUTHERN HELICOPTER, INC.; SOUTHWEST FLORIDA AVIATION; UTAH STATE UNIVERSITY; UNC HELICOPTER INC. (FORMERLY WILLIAMS HELICOPTER); US HELICOPTER, INC.; WESTERN INTERNATIONAL AVIATION, INC.; AND TAMARACK HELICOPTERS Model HH-1K, SW204, SW204HP, SW205, SW205A-1, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters
Airworthiness Directives; Grumman Model TS-2A Series Airplanes
Unsafe Condition: Positioning of power levers below the flight idle stop while the airplane is in flight may lead to loss of airplane control or may result in an overspeed condition and consequent loss of engine power.
Why matched: Airworthiness Directives; Grumman Model TS-2A Series Airplanes
Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Restricted Category Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters
Unsafe Condition: Fatigue failure of the tail rotor slider (slider), which could cause loss of the tail rotor and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Restricted Category Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters
Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Model AH-1, HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters
Unsafe Condition: Debonding of the main spar internal leading edge doubler fabricated from clad aluminum instead of bare aluminum material, which could lead to failure of a tail rotor blade and subsequent loss of co...
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Model AH-1, HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters
Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Restricted Category Model UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, TH-1F, and TH-1L Helicopters
Unsafe Condition: Failure of the 42-degree gearbox due to cracks at the roots of the gear teeth on the pinion and gear, leading to loss of tail rotor control and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Restricted Category Model UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, TH-1F, and TH-1L Helicopters
Airworthiness Directives; Bell Helicopter Textron, Inc.-manufactured Model UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, TH-1F and TH-1L Helicopters
Unsafe Condition: Failure of the tail rotor drive shaft hanger bearing (bearing) due to contamination with metal particles from the manufacturing process, which can seize and stop rotating, causing the spline coupli...
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc.-manufactured Model UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, TH-1F and TH-1L Helicopters