EASA Regulations & Airworthiness Directives

Browse 4994 EASA regulations with AI-powered summaries.

EASA AD 2021-0121

Main Rotor Drive — Main Gearbox Bearing Lock Nut — Replacement

EASA Airworthiness Directive 2021-0121 is an airworthiness directive addressing the replacement of main gearbox (MGB) bearing lock nuts on Leonardo AB139 and AW139 helicopters. It applies to all serial numbers of these helicopter models with specific affected MGB part numbers. The directive mandates replacing the cracked or potentially cracked bearing lock nut P/N 3G6320A09151 with an improved design P/N 3G6320A09152 to ensure continued safe operation.

May 4, 2021
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2021-0120-E

SUPERSEDED BY EASA AD 2023-0078

EASA Airworthiness Directive 2021-0120-E is an emergency directive addressing safety issues on ATR 42-500 and ATR 72-212A aeroplanes equipped with ATR modification 05948 (the '-600 version'). It mandates amendments to the Aircraft Flight Manual and Master Minimum Equipment List, and requires operational and electrical tests on specific electrical components related to cockpit display systems. The directive aims to prevent loss of all display units and the Integrated Electronic Standby Instrument due to potential faults in the battery toggle switch and contactor.

May 3, 2021
Airworthiness DirectiveFlight OpsMaintenanceSafety MgmtATR ATR42ATR ATR72ATR 42-500ATR 72-212A

EASA AD 2021-0119

Flight Controls — Trim Tab Trailing Edge — Inspection

EASA Airworthiness Directive 2021-0119 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Costruzioni Aeronautiche TECNAM SPA P2012 "Traveller" aeroplanes with manufacturer serial numbers 002 to 030 inclusive. The directive mandates inspections of the trim tab trailing edge on the mechanical trim actuator assembly, part number 212-27-30-0410-000, to detect and correct free play that could cause vibrations and reduced control of the aircraft.

Apr 30, 2021
Airworthiness DirectiveMaintenanceSafety MgmtTecnam P2012 (Traveller)Costruzioni Aeronautiche TECNAM SPA P2012

EASA AD US-2021-09-08

Flight Deck Metallic Support Panel Assemblies - Modifications

The Federal Aviation Administration's Airworthiness Directive 2021-09-08 addresses certain Boeing 737-8 and 737-9 airplanes. It mandates modifications to the electrical bonding of metallic support panel assemblies in the flight deck to ensure proper electrical grounding of installed equipment. This directive responds to design changes that caused insufficient electrical bonding and grounding, posing safety risks.

Apr 30, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-8Boeing 737-9

EASA SIB 2012-09R1

Effects of Space Weather on Aviation

EASA Safety Information Bulletin 2012-09R1 provides updated information on the effects of space weather on aviation, including impacts on aircraft, avionics, communication, navigation, surveillance systems, and human health. It applies to all aircraft operations, Air Traffic Management/Air Navigation Services, and aerodrome operations. The bulletin highlights phenomena such as geomagnetic storms, solar radiation storms, solar flare radio blackouts, ionospheric storms, and galactic cosmic rays, emphasizing their potential to degrade system performance and increase radiation exposure, especially on polar routes and high altitudes.

Apr 28, 2021
Safety Information BulletinFlight OpsSafety Mgmt

EASA AD 2021-0118

Engine Fuel and Control — Pressure Sub-System Units — Operational Check

EASA Airworthiness Directive 2021-0118 is an airworthiness directive addressing the operational check of pressure sub-system units in CFM International LEAP-1B engines installed on Boeing 737-8 and 737-9 aircraft. It targets specific pressure sub-system units with part number 2474M65P06 that may be affected by corrosion. The directive mandates inspections and possible replacement of affected parts to ensure engine thrust control reliability.

Apr 28, 2021
Airworthiness DirectiveMaintenanceSafety MgmtCFM International LEAP-1BBoeing 737-8Boeing 737-9

EASA AD CF-2021-16

Fuel System — Corrosion of Hydraflow Clamshell Couplings

Canadian Airworthiness Directive CF-2021-16 addresses corrosion issues in Hydraflow clamshell couplings within the fuel systems of MHI RJ Aviation ULC aircraft, including Bombardier models CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive mandates inspections, removal, and replacement of affected fuel clamshell couplings to prevent fuel tank ignition risks. It also requires updates to the Maintenance Requirements Manual for these aircraft models.

Apr 28, 2021
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC Bombardier CL-600-2B19MHI RJ Aviation ULC Bombardier CL-600-2C10MHI RJ Aviation ULC Bombardier CL-600-2C11MHI RJ Aviation ULC Bombardier CL-600-2D15MHI RJ Aviation ULC Bombardier CL-600-2D24MHI RJ Aviation ULC Bombardier CL-600-2E25

EASA SIB 2012-10R1

Single Event Effects on Aircraft Systems caused by Atmospheric Radiation

EASA Safety Information Bulletin 2012-10R1 is an airworthiness bulletin addressing Single Event Effects (SEE) on aircraft systems caused by atmospheric radiation. It applies to all aircraft equipped with electronic systems essential for safe flight and landing, highlighting the susceptibility of modern electronics to cosmic ray-induced faults. The bulletin explains the types of SEE, their potential impact on systems such as fly-by-wire, autopilot, communication, and navigation, and the influence of solar activity on SEE occurrence.

Apr 28, 2021
Safety Information BulletinSafety Mgmt

EASA AD US-2021-08-19

SUPERSEDED BY FAA AD 2023-08-02

Airworthiness Directive 2021-08-19 is a final rule issued by the Federal Aviation Administration (FAA) that applies to certain Boeing Model 787-8, 787-9, and 787-10 airplanes. It addresses the condition of decompression panels in the bilge barriers located in the forward and aft cargo compartments, requiring inspections and corrective actions to ensure fire suppression effectiveness. This directive supersedes AD 2021-02-19 and expands the applicability to include additional airplanes.

Apr 28, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 787Boeing 787-8Boeing 787-9Boeing 787-10

EASA AD 2019-0148R1

SUPERSEDED BY EASA AD 2021-0178

EASA Airworthiness Directive 2019-0148R1 is an updated safety directive affecting Airbus Helicopters EC 175 B models, excluding those with modification 99A05341. It mandates repetitive inspections of the horizontal stabilizer main spar to detect cracks that could lead to loss of control. This directive ensures continued airworthiness by requiring timely inspections and corrective actions.

Apr 27, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2020-0094R1

SUPERSEDED BY EASA AD 2021-0188

EASA Airworthiness Directive 2020-0094R1 is an updated safety directive addressing the cargo door locking mechanism on Airbus Helicopters EC 175 B models. It mandates inspections of the right-hand and left-hand cargo door locking mechanisms to prevent in-flight door opening due to locking failures. This directive applies to all EC 175 B helicopters except those with modification 99A06087 incorporated.

Apr 27, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters EC 175 B

EASA AD 2020-0132R1

SUPERSEDED BY EASA AD 2022-0099

EASA Airworthiness Directive 2020-0132R1 is an updated safety directive addressing the horizontal stabilizer attachment bolts on Airbus Helicopters EC175 B models. It applies to all serial numbers except those with modification 99A05341 installed in production. The directive mandates inspections, life limit recalculations, and modifications to prevent potential in-flight loss of the horizontal stabilizer.

Apr 27, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175

EASA AD 2021-0117

Landing Gear — Parking Brake System — Modification

EASA Airworthiness Directive 2021-0117 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Pipistrel Virus SW 121 and SW 128 aeroplanes. It addresses a safety issue related to the parking brake system on these aircraft models. The directive mandates a modification to the parking brake system to prevent inadvertent lever movement and brake fluid leakage.

Apr 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtPipistrel Vertical Solutions D.O.O. Virus SWPipistrel Virus SW 121Pipistrel Virus SW 128

EASA AD US-2021-08-04

Oxygen - Oxygen Mask Stowage Box Unit - Inspection / Replacement

Airworthiness Directive 2021-08-04 is a final rule issued by the Federal Aviation Administration addressing crew oxygen mask stowage box units on certain Boeing airplanes, including Model 737-700, -700C, -800, -900ER, Model 747-400F, and Model 767-200 and -300 series. The directive requires inspections and possible replacement or re-identification of affected oxygen mask stowage box units to prevent potential ignition sources or valve jams. This AD expands the applicability beyond the original scope of AD 2013-07-09 to include additional airplane models.

Apr 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 747Boeing 757Boeing 767Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900ERBoeing 747-400FBoeing 767-200Boeing 767-300

EASA AD 2021-0116

Rotors Flight Control — Co-pilot Collective Lever Wire Harness — Inspection / Modification

EASA Airworthiness Directive 2021-0116 is an airworthiness directive affecting Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters, specifically those with serial numbers up to 20340 inclusive. The directive addresses inspection and modification requirements for the co-pilot collective lever wire harness to prevent potential electrical short circuits caused by incorrect wire routing. This AD mandates inspections, corrective actions, and a modification to improve the wire harness support.

Apr 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD CF-2020-32R1

SUPERSEDED BY TCCA AD CF-2025-27

Airworthiness Directive CF-2020-32R1 is issued by Transport Canada and applies to Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 aircraft. It addresses cracks found in the aft wing-to-body fairing (WTBF) structure, specifically around the tie-rod attachments at fuselage station 973. The directive mandates inspections, repairs, tie-rod load adjustments, and incorporation of reinforcement modifications to maintain structural integrity.

Apr 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus BD-500 (A220 Series)Airbus Canada BD-500-1A10Airbus Canada BD-500-1A11

EASA AD US-2021-08-12

Wings - Lower Aft Wing Skin Aft Edge - Inspection

The FAA Airworthiness Directive 2021-08-12 is a final rule addressing all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive inspections of the lower aft wing skin aft edge at specific flap track locations due to crack indications found in bolt holes where flap tracks attach to the track support fitting. The directive aims to ensure structural integrity by detecting and repairing cracks that could compromise the wing's ability to carry limit loads.

Apr 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-100Boeing 737-200Boeing 737-200CBoeing 737-300Boeing 737-400Boeing 737-500

EASA AD 2021-0114

Engine — Low Pressure Compressor Case — Inspection

The document titled 'Engine — Low Pressure Compressor Case — Inspection' is a regulatory directive concerning the inspection of the low pressure compressor case on Rolls-Royce Deutschland Ltd & Co KG RB211 Trent 800 engines. It applies specifically to aircraft equipped with these engine models. The directive outlines inspection requirements to ensure continued airworthiness and safety of the affected engines.

Apr 23, 2021
Airworthiness DirectiveMaintenanceSafety MgmtRolls-Royce Deutschland Ltd & Co Kg RB211 TRENT 800

EASA AD 2021-0113

Hydraulic Power — Hoses — Replacement

The document titled 'Hydraulic Power — Hoses — Replacement' is an informational Airworthiness Directive record (ADR) related to the Airbus A400M military aeroplane. Since there are currently no Airbus A400M aircraft in civil service, no publicly available EASA Airworthiness Directive exists. This ADR serves as a recommendation for military authorities responsible for the affected aircraft to issue their own legally binding directives.

Apr 23, 2021
OtherMaintenanceSafety MgmtAirbus Military A400MAirbus A400M