MD Airworthiness Directives

641 ADs indexed for MD aircraft.

Models

Recent ADs

2025-17-11 Recurring

final rule

Airworthiness Directives; MD Helicopters, LLC

Unsafe Condition: unsafe condition on these products.

Effective: Oct 10, 2025 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, LLC

2024-23-06 Recurring

final rule

Airworthiness Directives; MD Helicopters, LLC, Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Dec 24, 2024 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, LLC, Helicopters

2021-22-11 Recurring

final rule

Airworthiness Directives; MD Helicopters Inc. (MDHI) Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jan 10, 2022 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters Inc. (MDHI) Helicopters

2020-18-20

final rule

Airworthiness Directives; MD Helicopters Inc. (MDHI), Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Oct 28, 2020 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters Inc. (MDHI), Helicopters

2020-11-07

final rule

Airworthiness Directives; MD Helicopter Inc., Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jun 30, 2020 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopter Inc., Helicopters

2020-06-11

final rule

Airworthiness Directives; MD Helicopters Inc. Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Apr 28, 2020 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters Inc. Helicopters

2019-05-04

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI), Helicopters

Unsafe Condition: unsafe condition on these helicopters.

Effective: Apr 17, 2019 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI), Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-05-09

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: Fuel Quantity Indicating System

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-04982

final rule

Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

Unsafe Condition: We are adopting a new airworthiness directive (AD) for certain MDHI Model 369A (Army OH-6A), 369H, 369HE, 369HM, 369HS, 369D, 369E, 369F, 369FF, and 500N helicopters. This AD requires inspecting th...

Effective: Apr 15, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

2016-04-15

final rule

Airworthiness Directives; MD Helicopters Inc., Helicopters

Unsafe Condition: could result in failure of a pin, failure of a main rotor blade, and subsequent loss of control of the helicopter.

Effective: Mar 31, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters Inc., Helicopters

2016-01-19

final rule

Airworthiness Directives; MD Helicopters Inc.

Unsafe Condition: We are adopting a new airworthiness directive (AD) for MD Helicopters Inc. (MDHI) Model 500N and 600N helicopters with certain rotating cone assemblies installed. This AD requires establishing a li...

Effective: Feb 25, 2016 Category: aircraft

Why matched: Airworthiness Directives; MD Helicopters Inc.

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