EASA Regulations for Safran ARRIUS 1

4 airworthiness directives and regulations affecting Safran ARRIUS 1.

Get the next one by email

New ADs and bulletins for Safran ARRIUS 1, summarized like the ones below, every Monday.

EASA AD 2026-0128

Aug 3, 2026

[Correction] Engine Fuel & Control – Hydromechanical Metering Unit – Replacement

EASA Airworthiness Directive 2026-0128 is a corrective directive addressing the replacement of Hydromechanical Metering Units (HMUs) on SAFRAN Helicopter Engines ARRIUS 1A models, commonly installed on Airbus Helicopters AS 355 N twin-engine helicopters. The directive targets specific HMUs with part number 0164851170 identified as having a torn constant delta P valve diaphragm, which could cause fuel flow drift and potential engine shutdown. It mandates replacement of affected HMUs to ensure continued airworthiness and safe engine operation.

Airworthiness Directive
  • Safran ARRIUS 1
  • Airbus Helicopters AS 355 N

EASA AD 2024-0148

Jul 30, 2024

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2024-0148 is an amendment addressing the time limits and maintenance checks in the Airworthiness Limitations Section for SAFRAN Helicopter Engines ARRIUS 1A engines. These engines are commonly installed on Airbus Helicopters AS 355 N twin-engine helicopters. The directive mandates compliance with updated maintenance tasks and life limits to ensure continued airworthiness.

Airworthiness Directive
  • Safran ARRIUS 1
  • Airbus Helicopters AS 355 N

EASA AD 2022-0005

Jan 11, 2022

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

EASA Airworthiness Directive 2022-0005 is an amendment addressing the time limits and maintenance checks in the Airworthiness Limitations Section for SAFRAN Helicopter Engines ARRIUS 1A1 engines. These engines are commonly installed on Airbus Helicopters AS355 NP twin-engine helicopters. The directive mandates compliance with updated maintenance tasks and life limits to ensure continued airworthiness.

Airworthiness Directive
  • Safran ARRIUS 1
  • Airbus Helicopters AS355 NP

EASA AD 2019-0266-E

Oct 25, 2019

Engine — Module 02 / Gas Generator — Service Life Calculation / Replacement

EASA Airworthiness Directive 2019-0266-E is an emergency directive addressing Safran Helicopter Engines ARRIUS 1A and 1A1 engines installed on helicopters such as the Airbus Helicopters AS355 N and AS355 NP. It mandates recalculating the service life of the gas generator module M02 due to a manufacturing non-conformity affecting high-pressure turbine blades and discs. The directive ensures continued airworthiness by requiring replacement of affected parts based on recalculated service life limits.

Airworthiness Directive
  • Safran ARRIUS 1
  • Airbus Helicopters AS355 N
  • Airbus Helicopters AS355 NP