EASA Regulations & Airworthiness Directives

Browse 4771 EASA regulations with AI-powered summaries.

EASA AD CF-2021-18

SUPERSEDED BY TRANSPORT CANADA AD CF-2021-22

Canadian Airworthiness Directive CF-2021-18 addresses corrosion issues on the main landing gear (MLG) lower spindle pin of Airbus Canada Limited Partnership model BD-500-1A10 and BD-500-1A11 aircraft. The directive mandates inspections and necessary repairs or replacements to prevent structural failure of the MLG lower spindle pin. This AD is an interim safety measure to mitigate risks associated with corrosion and potential fatigue cracking.

May 11, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus BD-500 (A220 Series)Airbus Canada BD-500-1A10Airbus Canada BD-500-1A11

EASA AD 2021-0126

Fuel / Oil — Check Valves — Inspection / Replacement

EASA Airworthiness Directive 2021-0126 is an official regulatory document addressing inspection and replacement requirements for fuel and oil check valves on Leonardo S.p.A. AB212, AB412, and AB412EP helicopters. It specifically targets oil check valves with Part Number 209-062-520-1 and fuel check valves with Part Number 209-062-607-1 manufactured by Circor Aerospace. The directive mandates inspections to detect cracks caused by incorrect torque application and requires replacement of affected parts to ensure continued airworthiness.

May 10, 2021
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo AB212Leonardo AB412Leonardo AB412EP

EASA SIB 2021-08R1

WITHDRAWN — RECOMMENDATIONS NOT NEEDED ANYMORE

EASA Safety Information Bulletin 2021-08R1 is an updated safety information bulletin regarding the re-entry into Earth's atmosphere of the large space debris object CZ-5B R/B (2021-035B). It informs EASA Member State National Aviation Authorities and aircraft operators about the expected re-entry event occurring on 9 May 2021, which may affect southern Europe airspace. The bulletin does not target specific aircraft or engine models but raises awareness about potential hazards from space debris during the event.

May 8, 2021
Safety Information BulletinSafety Mgmt

EASA AD 2021-0123-E

Hydraulic Power — Tail Rotor Load Compensator — Functional Check / Modification

EASA Airworthiness Directive 2021-0123-E is an emergency directive affecting Airbus Helicopters AS 350 B, B2, B3, and BA models with specific serial numbers. It addresses a wiring non-conformity in the tail rotor load compensator hydraulic system that could lead to loss of hydraulic power and potential loss of helicopter control. The directive mandates a functional check and modification of the hydraulic system wiring to ensure safe operation.

May 7, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS 350 BAirbus Helicopters AS 350 B2Airbus Helicopters AS 350 B3Airbus Helicopters AS 350 BA

EASA AD 2019-0236R2

Landing Gear — Main Landing Gear Bush — Inspection

EASA Airworthiness Directive 2019-0236R2 is an updated regulatory requirement addressing the inspection of the main landing gear bush, part number D61002, on ATR 72 series aeroplanes. It applies to all manufacturer serial numbers of ATR 72-101, -102, -201, -202, -211, -212, and -212A models. The directive mandates inspections to detect incorrect installation of the main landing gear bush, which could lead to structural failure and landing gear collapse.

May 7, 2021
Airworthiness DirectiveMaintenanceSafety MgmtATR ATR72ATR 72-101ATR 72-102ATR 72-201ATR 72-202ATR 72-211ATR 72-212ATR 72-212A

EASA AD CF-2015-16R3

Tail Rotor - Pitch Link Spherical Bearing Accelerated Wear

Canadian Airworthiness Directive CF-2015-16R3 addresses accelerated wear of tail rotor pitch link spherical bearings on Bell Helicopter Textron Canada Limited model 429 helicopters, serial numbers 57001 through 57401. The directive mandates inspections, replacements, and introduces a new pitch link assembly as an optional terminating action to recurring inspections. It aims to prevent pitch link failure that could lead to loss of helicopter controllability.

May 7, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBell 429Bell Helicopter Textron Canada Limited 429

EASA AD US-2021-09-06

SUPERSEDED BY FAA AD 2025-07-03

FAA Airworthiness Directive 2021-09-06 is a final rule superseding AD 2019-22-10 and applies to all Boeing 737-600, -700, -700C, -800, -900, and -900ER series airplanes. It addresses cracking issues in the left- and right-hand side outboard chords of frame fittings and failsafe straps near station 663.75. The directive mandates repetitive inspections and repairs to ensure structural integrity and safety.

May 6, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-600Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900Boeing 737-900ER

EASA AD 2021-0122

Time Limits / Maintenance Checks — Airworthiness Limitation Section — Tension Torsion Straps — Storage Life Limit

EASA Airworthiness Directive 2021-0122 addresses the storage life limits of Tension Torsion (TT) Straps installed on Airbus Helicopters Deutschland GmbH MBB-BK117 helicopter models including A-1, A-3, A-4, B-1, B-2, C-1, C-2, and D-2. The directive focuses on the ageing of elastomeric materials in Bendix and Lord TT-Straps, which may compromise structural integrity and helicopter control. It mandates compliance with storage life limits and removal of certain Bendix TT-Straps to ensure continued airworthiness.

May 6, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 A-1Airbus Helicopters MBB-BK117 A-3Airbus Helicopters MBB-BK117 A-4Airbus Helicopters MBB-BK117 B-1Airbus Helicopters MBB-BK117 B-2Airbus Helicopters MBB-BK117 C-1Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

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