Eurocopter Airworthiness Directives

481 ADs indexed for Eurocopter aircraft.

Models

France 57 ADs Deutschland GmbH 33 ADs Various 29 ADs Various 18 ADs France (Eurocopter) 11 ADs France Model AS355E, F, F1, F2, and N 9 ADs Various 7 ADs France Model EC 155B 6 ADs France Model EC130 B4 6 ADs 332C L1 5 ADs 332C L1 L2 5 ADs France Model AS332C, L, and L1 5 ADs 330F 4 ADs AS355E F1 F2 4 ADs Deutschland GmbH Model EC135 4 ADs France Model AS332L2 4 ADs 117 A-1 A-3 A-4 B-1 B-2 C-1 3 ADs 315B 316B 316C 319B 3160 3 ADs Deutschland GmbH (ECD) 3 ADs EC120B 3 ADs France Model AS 350 B, BA, B1, B2, B3, and D, and Model AS355 E, F, F1, F2, and N 3 ADs France Model AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, and AS355N 3 ADs France Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, AS355N, and EC130 B4 3 ADs France Model EC120B 3 ADs France Model SE3160, SA315B, SA316B, SA316C, and SA319B 3 ADs Various 3 ADs 117 C-2 2 ADs 120B 2 ADs 135 2 ADs 155B 2 ADs 3130 313B 3180 318B 318C 2 ADs 315B 2 ADs 3160 316B 316C 319B 2 ADs 332L2 2 ADs AS-350B B1 B2 AS-355E F1 F2 2 ADs AS-365N2 365 N3 155B EC155B1 SA-365N N1 SA-366G1 2 ADs AS332C L1 2 ADs Deutschland GmbH Model EC135 P1, P2, T1, and T2 2 ADs Deutschland GmbH Model MBB-BK 117 C-2 2 ADs Deutschland Model MBB-BK 117 A-1, A-3, A-4, B-1, B-2, and C-1 2 ADs EC135 2 ADs EC135 P1 T1 2 ADs France (Eurocopter) Model EC225LP 2 ADs France Model AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS350C, AS350D, and AS350D1 2 ADs France Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, and AS355N 2 ADs France Model AS350B, B1, B2, B3, BA, C, D, D1, and AS355E, F, F1, F2, and N 2 ADs France Model AS350B, B1, B2, B3, BA, C, D, and D1; and AS355E, F, F1, F2, N, and NP 2 ADs France Model EC 155B and EC 155B1 2 ADs France Model EC120 2 ADs France Model SA-360C, SA-365C, SA-365C1, and SA-365C2 2 ADs France Model SA-365 N1, AS-365 N2, N3, SA 366 G1, and EC-155B and B1 2 ADs France Model SA330F, G, J, and AS332C, L, and L1 2 ADs France Model SA341G, SA342J, and SA-360C 2 ADs MBB-BK117 A-1 A-3 A-4 B-1 B-2 C-1 2 ADs Model AS350B, B1, B2, B3, BA, D, and AS355E 2 ADs SA-365N1 AS-365N2 SA-366G1 2 ADs SA-366G1 2 ADs SA341G SA342J SA-360C 2 ADs SA-360C Dauphin 1 AD SA341G 1 AD SA342J 1 AD 105 A-3 1 AD 105A BO-105C BO-105 C-2 BO-105 CB-2 BO-105 CB-4 BO-105S BO-105 CS-2 BO-105 CBS-2 BO-105 CBS-4 BO-105LS A-1 1 AD 117 1 AD 155B EC155B1 SA-360C SA-365C SA-365C1 SA-365C2 SA-365N SA-365N1 AS-365N2 365 N3 SA-366G1 1 AD 155B SA-365N N1 AS-365N2 365 N3 1 AD 315B 316B 316C 318B 318C 319B 313B 3130 3160 3180 1 AD 3160 315B 316B 316C 319B 1 AD 3180 318B 318C 3130 313B 315B 316B 316C 319B 3160 1 AD 330F 332C L1 L2 1 AD 330J 1 AD 332C 332L 332L1 332L2 1 AD 365N N1 365N2 1 AD AS-350B B1 B2 1 AD AS-350B B1 B2 B3 1 AD AS-350B B1 B2 B3 AS-355E F1 F2 1 AD AS-350B B1 B2 D1 355E F1 F2 1 AD AS-350B B1 B2 D1 AS-355E F1 F2 1 AD AS-365N N1 N2 1 AD AS-365N2 360C SA-365C C1 C2 N1 SA-366G1 1 AD AS332C C1 L1 AS350B B1 B2 B3 AS355E F1 F2 1 AD AS332C L1 SA330F 1 AD AS350B B1 B2 B3 AS355E 1 AD AS350B B1 B2 B3 D1 AS355E F1 F2 1 AD AS350B B1 B2 D1 1 AD AS350B3 1 AD AS355N 1 AD BO-105 BO-105A BO-105C BO-105S BO-105LS A-1 1 AD BO-105A BO-105C BO-105 C-2 BO-105 CB-2 BO-105 CB-4 BO-105S BO-105 CS-2 BO-105 CBS-2 BO-105 CBS-4 BO-105LS A-1 1 AD BO-105A BO-105C BO-105S BO-105LS A-1 BO-105LS A-3 1 AD BO-105CB-5 BO-105-CBS-5 1 AD Canada Limited Model BO 105 LS A-3 1 AD Deutschland 1 AD Deutschland GMBH 1 AD Deutschland GmbH (ECD) Model BO-105A, BO-105C, BO-105 C-2, BO-105 CB-2, BO-105 CB-4, BO-105S, BO-105 CS-2, BO-105 CBS-2, BO-105 CBS-4, and BO-105LS A-1 1 AD Deutschland GmbH (ECD) Model MBB-BK 117 C-2 1 AD Deutschland GmbH Model EC135 P1 and EC135 T1 1 AD Deutschland Model MBB-BK-117 A-1, A-3, A-4, B-1, B-2, and C-1 1 AD EC135 P1 EC135 T1 1 AD EC135 P1 P2 T1 T2 1 AD France (ECF) Model EC120B 1 AD France (Eurocopter) Model AS332C, AS332L, AS332L1, and AS332L2 1 AD France (Eurocopter) Model AS332C, L, L1, and L2 1 AD France (Eurocopter) Model AS350B, BA, B1, B2, C, D, and D1 1 AD France (Eurocopter) Model EC130 B4 1 AD France (Eurocopter) Model SA-365N, SA-365N1, AS-365N2, and AS 365 N3 1 AD France Model 1 AD France Model AS 332C, L, L1, and L2 1 AD France Model AS 350B3, SA-365N, N1, AS-365N2, AS 365N3, and EC 155B 1 AD France Model AS 365 N3 1 AD France Model AS 365 N3 and EC 155B 1 AD France Model AS-365N2, AS 365 N3, EC 155B, EC155B1, SA-365N and N1, and SA-366G1 1 AD France Model AS-365N2, AS 365 N3, EC 155B, EC155B1, SA-365N, N1, and SA-366G1 1 AD France Model AS-365N2, AS 365 N3, and SA-365N1 1 AD France Model AS332 C, L, and L1 1 AD France Model AS332C, AS332L, AS332L1, SA330F, SA330G, and SA330J 1 AD France Model AS332C, AS332L, AS332L1, and AS332L2 1 AD France Model AS332C, C1, L, L1, AS350B, BA, B1, B2, B3 and D, and AS355E, F, F1, F2 and N 1 AD France Model AS332C, L, L1, and L2 1 AD France Model AS332C, L, L1, and L2; AS350B, BA, B1, B2, B3, and D; AS355E, F, F1, F2, and N; AS-365N2; AS 365 N3; SA330F, G, and J; SA-360C; SA-365C, C1, and C2; SA.316B and C; and SA.319B 1 AD France Model AS332C, L, L1, and Model SA330F, G, and J 1 AD France Model AS332L and AS332L1 1 AD France Model AS350B, AS350B1, AS350B2, AS350BA, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, and AS355N 1 AD France Model AS350B, B1, B2, B3, BA, D, D1 and AS355E, F, F1, F2, and N 1 AD France Model AS350B, B1, B2, B3, BA, D, and AS355E 1 AD France Model AS350B, B1, B2, B3, BA, and D 1 AD France Model AS350B, B1, B2, BA, and D 1 AD France Model AS350B, BA, B1, B2, B3, C, D, D1, and EC130 B4 1 AD France Model AS350B, BA, B1, B2, B3, D, and AS355E 1 AD France Model AS350B3 1 AD France Model AS350BA and B2 1 AD France Model AS355N 1 AD France Model EC 120 1 AD France Model EC 120B 1 AD France Model EC 130 B4 1 AD France Model EC 130 B4 and AS 350 B3 1 AD France Model EC 155 B and B1 1 AD France Model EC 155B and B1 1 AD France Model EC 155B, EC155B1, SA-360C, SA-365C, SA-365C1, SA-365C2, SA-365N, SA-365N1, AS-365N2, AS 365 N3, and SA-366G1 1 AD France Model EC 155B, EC155B1, SA-365N, SA-365N1, AS-365N2, and AS 365 N3 1 AD France Model EC 155B, SA-365N and N1, AS-365N2, and AS 365 N3 1 AD France Model EC120B, EC 155B, SA330F, SA330G, SA330J, AS332C, AS332L, AS332L1, AS332L2, AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350D, AS355E, AS355F, AS355F1, AS355F2, AS355N, AS365N2, AS 365 N3, SA-365N, and SA-365N1 1 AD France Model EC130B4 1 AD France Model EC155B and B1 1 AD France Model SA-365 N1, AS-365 N2, AS-365 N3, SA-366G1, EC 155B, and EC155B1 1 AD France Model SA-365C, SA-365C1, SA-365C2, SA-365N, SA-365N1, AS-365N2, AS 365 N3, and SA-366G1 1 AD France Model SA-365N and SA-365N1 1 AD France Model SA-365N, N1, AS-365N2, AS 365 N3, SA-366G1, AS355F, F1, F2, N, and EC130 B4 1 AD France Model SA-365N, N1, AS-365N2, and AS 365 N3 1 AD France Model SA-365N, SA-365N1, AS-365N2, AS-365N3, SA-366G1, EC 155B, EC155B1, SA-365C, SA-365C1, SA-365C2, SA-360C 1 AD France Model SA-365N, SA-365N1, AS-365N2, and AS 365 N3 1 AD France Model SA-365N, SA-365N1, AS-365N2, and SA-366G1 1 AD France Model SA-365N1, AS-365N2, and SA-366G1 1 AD France Model SA-365N1, AS365-N2, AS 365 N3, and SA-366G1 1 AD France Model SA.315B, SA.316C, SA 3180, SA 318B, SA 318C, SA.319B, SE.3160, and SA.316B 1 AD France Model SA330F, G, and J; AS332C, L, and L1; SA341G; SA342J; AS350B, BA, B1, B2, B3, and D; AS355E, F, F1, F2 and N; SA-365C, C1, and C2; SA-365N and N1; and AS-365N2 and N3 1 AD France Model SA330F, SA330G, SA330J, AS332C, AS332L, and AS332L1 1 AD France Model SA330J 1 AD France Model SA341G and SA342J 1 AD France Model SE 3130, SE 313B, SA 315B, SE 3160, SA 316B, SA 316C, SA 3180, SA 318B, SA 318C, and SA 319B 1 AD SA-360C 1 AD SA-360C 365C C1 C2 1 AD SA-360C 365C C1 C2 SA-365N N1 AS-365N2 SA-366G1 1 AD SA-365 N1 AS-365 N2 AS-365 N3 SA-366G1 155B EC155B1 1 AD SA-365 N1 AS-365 N2 N3 366 G1 EC-155B B1 1 AD SA-365C C1 C2 N1 AS-365N2 SA-366G1 1 AD SA-365C SA-365C1 SA-365C2 SA-365N SA-365N1 AS-365N2 365 N3 SA-366G1 1 AD SA-365N 365N1 AS-365N2 1 AD SA-365N 365N1 AS-365N2 SA-366G1 1 AD SA-365N 365N1 SA-366G1 1 AD SA-365N N1 N2 N3 SA-366G1 1 AD SA-365N SA-365N1 AS-365N2 365 N3 1 AD SA-365N1 365N2 SA-366G1 1 AD SA330F 1 AD SA330F AS332C L1 1 AD SA330J 1 AD SA341G SA342J 1 AD SE3130 SA3180 SE313B SA318B SA318C 1 AD SE3160 SA315B SA316B SA316C SA319B 1 AD EC135 117 C-2 1 AD EC135 and MBB-BK 117 C-2 1 AD MBB-BK 117 A-1 1 AD MBB-BK 117 A-3 1 AD MBB-BK 117 A-4 1 AD MBB-BK 117 B-1 1 AD MBB-BK 117 B-2 1 AD MBB-BK 117 C-1 1 AD Various 1 AD AS350B3 EC130T2 1 AD AS350B3 and EC130T2 1 AD SA-365N 1 AD and Eurocopter France 1 AD

Recent ADs

2025-05-12 Recurring

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

Unsafe Condition: unsafe condition on these products.

Effective: May 8, 2025 Category: aircraft Compliance: Within 30 days of the effective date of this AD

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

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2022-24-07

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) (Type Certificates Previously Held by Messerschmitt-Bolkow-Blohm (MBB), and Eurocopter Deutschland GmbH (ECD)) Helicopters

Unsafe Condition: The unsafe condition is the potential for failure of the main rotor head assembly due to fatigue failure of the tension-torsion (TT) straps, which could lead to loss of control of the helicopter.

Effective: Jan 6, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) (Type Certificates Previously Held by Messerschmitt-Bolkow-Blohm (MBB), and Eurocopter Deutschland GmbH (ECD)) Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system
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2022-05-02

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: An internal failure of the engine digital electronic control unit (DECU), which led to loss of fuel flow regulation (frozen fuel metering unit). This failure was not indicated to the pilot by a red...

Effective: Mar 30, 2022 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

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2021-14-16

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

Unsafe Condition: Failure of the 9-degree frame due to a crack at the stretcher support attachment holes, which could result in loss of a passenger door, damage to the rotor system, and subsequent loss of control of...

Effective: Aug 24, 2021 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

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2021-14-07

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: Translation errors in the service information required for compliance by DGAC AD 2002-585(A) and incorrect installations of the hoist operator control unit, hoist electric box, and fuses.

Effective: Aug 19, 2021 Category: aircraft Compliance: Before next flight involving a hoist operation

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

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2021-14-15

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) and Eurocopter France Helicopters

Unsafe Condition: The tie bars may fail, resulting in loss of control of the helicopter.

Effective: Aug 10, 2021 Category: aircraft Compliance: Within 5 hours TIS for tie bars that have accumulated 7 or more years since initial installation ...

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) and Eurocopter France Helicopters

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2021-11-25

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: An internal failure of the engine DECU, which led to loss of fuel flow regulation (frozen fuel metering unit). This failure was not indicated to the pilot by a red GOV warning light as expected, bu...

Effective: Jul 29, 2021 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

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2021-09-14 Recurring

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: prevent rotor burst of the MGB fan, damage to the hydraulic lines and flight controls, and subsequent loss of control of the helicopter.

Effective: Jun 22, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2021-07-08 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH and Eurocopter Canada Ltd.) Helicopters

Unsafe Condition: cracks in the main rotor mast flange (flange) could result in failure of the flange and subsequent loss of control of the helicopter.

Effective: Apr 30, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH and Eurocopter Canada Ltd.) Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system
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2021-05-07

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: A loss of electrical ground between the starter-generator and the regulator could result in an overvoltage of electrical power, damage to electronic equipment, and subsequent loss of control of the...

Effective: Apr 16, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system
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2020-16-09

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: progressive fatigue failure of the coupling discs, caused by excessive fretting on the faces and in the bolt holes of the coupling discs

Effective: Sep 10, 2020 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

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2020-10-02 Recurring

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: Deterioration of a Starflex arm end, which can cause high amplitude vibrations in flight.

Effective: Jun 15, 2020 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

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2020-09-01 Recurring

final rule

Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France)

Unsafe Condition: The lubricating pump may wear out, causing the main gearbox (MGB) oil flow to be unevenly distributed, which can lead to oil starvation and engine failure.

Effective: May 28, 2020 Category: aircraft Compliance: Before the first flight of each day and at intervals not to exceed 10 hours time-in-service

Why matched: Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France)

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
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2019-05-05

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: a crack in an M/R mast flange, which could result in failure of the mast flange and subsequent loss of helicopter control.

Effective: Apr 17, 2019 Category: aircraft Compliance: Within 50 flight hours

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

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Amdt-39-19537

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: We are removing Airworthiness Directive (AD) 2014-05-06 R1, which applied to Airbus Helicopters Deutschland GmbH (type certificate previously held by Eurocopter Deutschland GmbH) Model EC135 and MB...

Effective: Feb 19, 2019 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2018-26-02

final rule

Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters

Unsafe Condition: unintended touchdown to the ground at a flight-idle power setting during a practice autorotation, damage to the helicopter, and injury to occupants.

Effective: Jan 30, 2019 Category: aircraft Compliance: before the next autorotation training flight or before 100 hours time-in-service, whichever occur...

Why matched: Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters

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Amdt-39-19529 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

Unsafe Condition: bearings were detected which had not been correctly fixed, which may cause the affected control lever to shift in the axial direction and contact the helicopter structure, possibly resulting in red...

Effective: Jan 22, 2019 Category: aircraft Compliance: Within 100 hours TIS or at the next annual inspection, whichever occurs first.

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

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2013-21-05R1

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: Binding of a bearing could lead to loss of helicopter control.

Effective: Dec 21, 2018 Category: aircraft Compliance: within 100 hours time-in-service

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

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Amdt-39-19498 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: limited control of a tail rotor because of the binding of a bearing

Effective: Dec 21, 2018 Category: aircraft Compliance: Within 100 hours TIS

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

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system
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2018-07-01

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

Unsafe Condition: an improperly manufactured bypass inlet in the oil filter area, which could adversely affect the oil-filter bypass function, resulting in failure of the main transmission

Effective: May 3, 2018 Category: aircraft Compliance: Within 5,150 hours TIS

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

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