de Havilland Airworthiness Directives

280 ADs indexed for de Havilland aircraft.

Models

Recent ADs

2025-19-05 Recurring

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Oct 31, 2025 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2025-19-05 Recurring

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Oct 31, 2025 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2025-17-08 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition identified as a missing stabilizer actuator lock ring.

Effective: Sep 29, 2025 Category: aircraft

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

2025-17-08 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition identified as a missing stabilizer actuator lock ring.

Effective: Sep 29, 2025 Category: aircraft

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

2025-17-08 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition identified as a missing stabilizer actuator lock ring.

Effective: Sep 29, 2025 Category: aircraft

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

2025-17-08 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition identified as a missing stabilizer actuator lock ring.

Effective: Sep 29, 2025 Category: aircraft

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

2025-17-08 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition identified as a missing stabilizer actuator lock ring.

Effective: Sep 29, 2025 Category: aircraft

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

2024-22-07

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Dec 31, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-22-07

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Dec 31, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-12-05 Recurring

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Aug 21, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-12-05 Recurring

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Aug 21, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-12-06

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Aug 21, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-12-06

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Aug 21, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-08-04

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Jun 20, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-08-04

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Jun 20, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-02-02

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Mar 21, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2024-02-02

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Mar 21, 2024 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2023-22-17

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Jan 19, 2024 Category: engine

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

2023-22-17

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Jan 19, 2024 Category: engine

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

2023-22-17

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Jan 19, 2024 Category: engine

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

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