30 ADs indexed for Bell Helicopter Textron Inc. aircraft.
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: The affected pin may shear off during flight, resulting in the main rotor blade and the main rotor head detaching from the helicopter.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: This AD was prompted by a fatal accident in which a pin sheared off during flight, which resulted in the main rotor blade and the main rotor head detaching from the helicopter.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: The unsafe condition, if not addressed, could result in fatigue and failure of the grip assembly and loss of helicopter control.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: A pin P/N 204-012-104-005 with an S/N prefix 'FNFS' sheared off during flight, resulting in the main rotor blade and the main rotor head detaching from the helicopter. The pin had accumulated only ...
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: The T/R blades sustain greater loads when used on Bell Model 205B helicopters compared to their use on other model helicopters, resulting in failure of the T/R blade and subsequent loss control of ...
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: excessive pylon pitch vibrations likely caused overload that resulted in cracked main gearbox (MGB) support case failures, and investigations are ongoing to determine the root cause of these vibrat...
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: Corrosion detected on main rotor hub tension-torsion strap (TT strap) assemblies.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: a comfort clip interfering with the seat belt inertia reel
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: The discovery that bolts have nonconforming external thread root radii. The unsafe condition, if not addressed, could result in the spindle separating from the yoke and subsequent loss of control o...
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Helicopter Textron Inc. Helicopters
Unsafe Condition: Numerous failures of inverters due to an external connector that caused a short circuit inside inverter P/N 412-375-079-101 and components chafing because of variations in the assembly process and ...
Why matched: Airworthiness Directives; Bell Helicopter Textron Inc. Helicopters
Airworthiness Directives; Bell Helicopter Textron Inc., Helicopters
Unsafe Condition: A crack on an EFS tube assembly could result in failure of the emergency floats to inflate during an emergency water landing.
Why matched: Airworthiness Directives; Bell Helicopter Textron Inc., Helicopters
Airworthiness Directives; Bell Helicopter Textron Inc. Helicopters
Unsafe Condition: Failure of an inverter(s) under instrument meteorological conditions or night flight, which could result in smoke in the cockpit, increased pilot workload due to the loss of primary flight and navi...
Why matched: Airworthiness Directives; Bell Helicopter Textron Inc. Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: An incorrectly machined body on the cable assembly could prevent the barrel assembly from fully engaging in the body cavity, leading to disengagement of the cable from the barrel, failure of the ta...
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: Cracking in main rotor hub inboard strap fittings, which may lead to fitting failure, loss of a main rotor blade, and subsequent loss of helicopter control.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Bell Helicopter Textron Inc. Helicopters
Unsafe Condition: The power cable assembly connector deterioration can cause a short in the connector, potentially leading to a fire in the starter/generator, smoke in the cockpit, reduced visibility, and risk of lo...
Why matched: Airworthiness Directives; Bell Helicopter Textron Inc. 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; Bell Helicopter Textron Inc. Model 412, 412CF, and 412EP Helicopters
Unsafe Condition: Fatigue cracking of a main rotor yoke, failure of a yoke, and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Helicopter Textron Inc. Model 412, 412CF, and 412EP 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