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2026-20-08

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: The tail rotor drive fan wheels and impeller second stage have been incorrectly identified during production.

Effective: Nov 5, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-20-03

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: The instructions on how to open the sliding door emergency exit are insufficient.

Effective: Nov 5, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-19-02

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Main rotor blades (MRB) not certified for installation on the helicopters, leading to lack of instructions for continued airworthiness and improper maintenance.

Effective: Nov 2, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-21-02 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Oct 26, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

2026-20-06

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: Loss of oil from the main gearbox (MGB) may not activate the low pressure caution or warning light.

Effective: Oct 13, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

2026-16-10 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: The unsafe condition involves excessive vibration levels on the tail rotor drive shaft, which could lead to failure of the tail rotor drive shaft, sliding flange, or equipped splined sleeve.

Effective: Sep 18, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-16-04

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: The determination that new or more restrictive airworthiness limitations are necessary.

Effective: Sep 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-16-03 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Cracks in the legs of the side supports of the tail rotor transmission fan.

Effective: Sep 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-16-05

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Magnetization on the solenoid valves for the three main servo-controls, the regulator block, and the tail servo-control due to a diode not properly installed in the hydraulic circuit.

Effective: Sep 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-16-01

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: An incorrectly installed engine flange on the main gear box (MGB) engine coupling.

Effective: Sep 10, 2026 Category: engine

Why matched: Airworthiness Directives; Airbus Helicopters

2026-14-02 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Short-circuit due to foreign object debris (FOD) or dust inside the lighting and ancillaries control unit (LACU).

Effective: Aug 14, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-13-04

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Aug 10, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-13-08

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Aug 10, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-12-10

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Non-conformity of a certain cargo hook.

Effective: Aug 3, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-13-01 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Failure of the cabin lateral sliding plug door jettisoning mechanism could prevent rapid cabin depressurization, leading to potential loss of crew control.

Effective: Aug 3, 2026 Category: aircraft Compliance: time could be extended

Why matched: Airworthiness Directives; Airbus Helicopters

2026-12-12

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Self-locking nuts of the window jettisoning system could be loosened by hand due to a non-conformity in certain cable kits.

Effective: Aug 3, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-10-16

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jul 21, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-12-09

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jul 21, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-12-08

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jul 21, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-09-15 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jul 21, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-12-03 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jul 14, 2026 Category: aircraft Compliance: times

Why matched: Airworthiness Directives; Airbus Helicopters

2026-10-20

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Excessive vibrations in-flight due to an incorrect installation of the angular ball bearing of the control ring assembly.

Effective: Jul 9, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2026-11-01 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Deficiencies on parts installed on the jettisonable window system, including potential failure of locking fingers, missing retaining rings, and inadequate emergency handle latch covers.

Effective: Jul 9, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-11-02

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: A fully discharged personal locator beacon (PLB) battery installed on an emergency life-raft system (ELRS) and ropes connecting the ELRS to the PLB not correctly attached.

Effective: Jul 9, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

2026-09-08

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: A certain part-numbered standard MS18027 type hook may be subject to localized yielding in the mating threads when assembled to higher assembly torques.

Effective: Jun 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters