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2025-11-04

final rule

Airworthiness Directives; Israel Aircraft Industries Ltd. Airplanes

Unsafe Condition: deployment of a thrust reverser in flight or before landing, which could result in loss of control of the airplane.

Effective: Jun 23, 2025 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Israel Aircraft Industries Ltd. Airplanes

2006-16-18 R1

final rule

Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator (TAWS/ RMI) Units Approved Under Technical Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category Airplanes

Unsafe Condition: A bearing error in the Sandel Avionics Incorporated Model ST3400 TAWS/RMI unit configured to receive bearing information from a VOR receiver interface via a composite video signal, due to a combina...

Effective: Jul 18, 2008 Category: appliance Compliance: Effective July 18, 2008

Why matched: Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator (TAWS/ RMI) Units Approved Under Technical Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category Airplanes

2005-18-20

final rule

Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers

Unsafe Condition: Goodrich De-icing and Specialty Systems 'FASTprop' propeller de-icers becoming loose or debonded, and detaching from propeller blades during operation.

Effective: Oct 14, 2005 Category: propeller Compliance: Before further flight

Why matched: Airworthiness Directives; Goodrich De-icing and Specialty Systems "FASTprop" Propeller De-icers

Technical illustration of an aircraft propeller assembly
Problem area Propeller

98-25-02

final rule

Airworthiness Directives; BF Goodrich Avionics Systems, Inc. SKYWATCH SKY497 Installations with a Top-Mounted Antenna

Unsafe Condition: Internal component failure in BF Goodrich SKYWATCH SKY497 installations with a top-mounted antenna changes the antenna configuration from TOP to BOTTOM mount, causing target indicators to display o...

Effective: Dec 22, 1998 Category: appliance Compliance: within the next 25 hours time-in-service (TIS) after the effective date of this AD

Why matched: Airworthiness Directives; BF Goodrich Avionics Systems, Inc. SKYWATCH SKY497 Installations with a Top-Mounted Antenna

78-05-06

final rule

Airworthiness Directives; GOODYEAR AEROSPACE CORPORATION: Applies to Goodyear Flexible Fuel Cells, Construction Type BTC-39

Unsafe Condition: Fuel cell leakage caused by deterioration of the cell or cell nipples, creating a hazard to the airplane.

Effective: Jun 30, 1978 Category: appliance Compliance: Within the next 25 hours time in service or 30 calendar days after the effective date (June 30, 1...

Why matched: Airworthiness Directives; GOODYEAR AEROSPACE CORPORATION: Applies to Goodyear Flexible Fuel Cells, Construction Type BTC-39