RegNotify

EASA Regulations for Robinson R44 (Raven)

19 airworthiness directives and regulations affecting Robinson R44 (Raven).

EASA AD US-2025-11-07

Main Rotor Drive - Clutch Shaft Forward Yoke - Inspection / Removal / Replacement

The Federal Aviation Administration's Airworthiness Directive 2025-11-07 is a final rule addressing Robinson Helicopter Company Model R44 and R44 II helicopters. It mandates inspections and possible replacements of the main rotor drive clutch shaft forward yoke and flex plate assembly to detect fatigue cracking and prevent unsafe conditions. This directive updates previous requirements to clarify inspection procedures and introduces a specific paint remover option for alternative inspections.

Jul 1, 2025
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)

EASA AD US-2024-23-01

Main Rotor Drive / Rotors Flight Control - Clutch Actuator Brackets - Inspection

The document titled 'Main Rotor Drive / Rotors Flight Control - Clutch Actuator Brackets - Inspection' is a regulatory inspection directive focused on the clutch actuator brackets within the main rotor drive and rotors flight control systems. It addresses the need for inspection to ensure the integrity and safety of these critical components. The document does not specify particular aircraft or engine models affected.

Dec 4, 2024
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)

EASA AD US-2024-20-07

Equipment / Furnishings - Emergency Float Kit Activation Handle - Repetitive Inspections / Replacement

The document titled 'Equipment / Furnishings - Emergency Float Kit Activation Handle - Repetitive Inspections / Replacement' is a regulatory directive addressing the maintenance requirements for the emergency float kit activation handle on certain aircraft. It mandates repetitive inspections and replacement procedures to ensure the proper functioning of this critical safety equipment. The directive applies to aircraft equipped with the specified emergency float kit activation handle assemblies.

Nov 29, 2024
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters EC 120 BAirbus Helicopters BO 105Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Bell 206Bell 407Bell Textron Inc. (Bti) 210Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 412Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Md Helicopters Inc (Mdhi) 369Md Helicopters Inc (Mdhi) 500NRobinson R44 (Raven)Robinson R66Sikorsky S-76

EASA AD US-2024-20-03

Flight Controls - Governor Controller - Replacement

The Federal Aviation Administration's Airworthiness Directive 2024-20-03 addresses Robinson Helicopter Company Model R22 Beta, R22 Mariner, R44, and R44 II helicopters equipped with governor controller part number D270-1, Revisions A through E. This directive mandates the replacement of these governor controllers due to engine governor failures caused by water intrusion. The AD aims to enhance flight safety by preventing loss of engine speed governing during critical flight phases.

Nov 26, 2024
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R22Robinson R44 (Raven)

EASA SIB SAIB-2024-05

Engine / Transmission Coupling, Gearmotor Assembly

The FAA Special Airworthiness Information Bulletin SAIB: 2024-05 is an informational bulletin addressing a potential airworthiness concern involving the gearmotor assembly, part numbers D276-1 and D276-3, on belt-tension actuators of Robinson Helicopter Company Model R44 and R44 II helicopters. This bulletin also applies to belt-tension actuator assemblies C051-1 and C051-2, Revision AC and prior, sold as spares containing these gearmotors. The bulletin informs operators and maintenance personnel about the issue but does not mandate regulatory action.

Nov 11, 2024
Safety Information BulletinMaintenanceSafety MgmtRobinson R44 (Raven)

EASA AD US-2024-04-02

Tail Rotor - Tail Rotor Blade Tip Cap - Inspection

The Federal Aviation Administration Airworthiness Directive 2024-04-02 is a final rule addressing certain Robinson Helicopter Company Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, R44 II, and R66 helicopters. It focuses on inspecting tail rotor blade (TRB) tip caps with specific part and serial numbers for corrosion and requires removal of affected TRBs from service to prevent unsafe conditions.

Mar 14, 2024
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R22Robinson R44 (Raven)Robinson R66Robinson R22 AlphaRobinson R22 BetaRobinson R22 MarinerRobinson R44Robinson R44 II

EASA SIB SAIB-2022-21

Emergency Flotation Section, Pop-Out Float Underinflation

The Special Airworthiness Information Bulletin SAIB 2022-21 is an FAA informational bulletin addressing under-inflation issues in the pop-out floats of Robinson Helicopter Company Model R44 and R44 II helicopters. It highlights a problem where improper packing and hose misalignment can cause one float to under-inflate during water landings, potentially compromising buoyancy. This bulletin does not impose mandatory actions but provides guidance to prevent this issue.

Nov 24, 2022
Safety Information BulletinMaintenanceSafety MgmtRobinson R44 (Raven)

EASA AD US-2022-19-12

Tail Rotor - Blades - Inspection / Removal

Airworthiness Directive 2022-19-12 is a final rule issued by the Federal Aviation Administration addressing tail rotor blade cracks on Robinson Helicopter Company Model R44, R44 II, and R66 helicopters. It requires inspections and removal of certain part-numbered and serial-numbered tail rotor blades to prevent unsafe conditions. The directive applies to blades with part numbers C029-3 and F029-1 within specified serial number ranges.

Sep 16, 2022
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)Robinson R66Robinson R44Robinson R44 II

EASA AD US-2022-12-08

Flight Controls - Engine Revolutions per Minute (RPM) Indicating System - Inspection / Installation

Federal Register Volume 87, Number 114 (June 14, 2022) is a final rule airworthiness directive issued by the FAA addressing certain Robinson Helicopter Company Model R22 BETA, R44, and R44 II helicopters. The directive targets issues with the engine revolutions per minute (RPM) governor, requiring inspection and wiring modifications to ensure safe operation. It mandates inspection of the engine RPM sensor wiring and installation of specific wiring kits to prevent intermittent or abnormal governor operation.

Jun 17, 2022
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R22Robinson R44 (Raven)Robinson R22 BETARobinson R44Robinson R44 II

EASA SIB AIR-22-03

Orolia S.A.S (formerly Kannad) - Emergency Locator Transmitter Retention Strap Inspection

The Special Airworthiness Information Bulletin (SAIB) AIR-22-03 issued by the FAA addresses the potential issue of Emergency Locator Transmitters (ELTs) becoming loose from their mounting brackets on Robinson Helicopter Company Model R22, R44, and R66 helicopters. The affected ELTs are the Kannad Integra AF Model S1851501-02 units manufactured by Orolia S.A.S (formerly Kannad). This bulletin provides information and recommendations to ensure proper retention strap inspection and maintenance to prevent ELT detachment.

Mar 9, 2022
Safety Information BulletinMaintenanceSafety MgmtRobinson R22Robinson R44 (Raven)Robinson R66

EASA AD US-2021-19-08

SUPERSEDED BY FAA AD 2022-19-12

FAA Airworthiness Directive 2021-19-08 is a final rule addressing certain Robinson Helicopter Company Model R44 and R44 II helicopters. It targets tail rotor blades part number C029-3 with serial numbers 9410 through 9909 due to reports of cracks along the leading edge. The directive mandates inspections and removal of cracked or affected blades to ensure continued airworthiness.

Sep 13, 2021
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)Robinson R44Robinson R44 II

EASA SIB AIR-21-14

HeliSAS Autopilot Flight Control Computer / Garmin Primary Flight Display

The Special Airworthiness Information Bulletin AIR-21-14 is an FAA informational bulletin addressing the HeliSAS autopilot system and Garmin Primary Flight Display (PFD) interface on Robinson R44-series and R66 helicopters. It highlights a potential issue where the HeliSAS autopilot may fail to disengage vertical or lateral guidance when a VHF NAV or glideslope flag appears on the Garmin PFD. This bulletin applies specifically to Robinson R44 and R66 helicopters equipped with both the HeliSAS autopilot and Garmin PFD.

Sep 2, 2021
Safety Information BulletinSafety MgmtRobinson R44 (Raven)Robinson R66

EASA SIB AIR-21-11

Rotorcraft Servo System - Pre-Take-Off Check

The Special Airworthiness Information Bulletin SAIB: AIR-21-11 is an FAA informational bulletin addressing the rotorcraft servo system on Robinson Helicopter Company Model R66, R44, and R44 II helicopters equipped with D212-1, D212-5, and D212-6 hydraulic servos manufactured before April 2014. It highlights a potential issue with servo wear that can cause stiff cyclic controls during flight. This bulletin is not a mandatory directive but provides important safety information for operators of these specific Robinson helicopter models.

Jul 29, 2021
Safety Information BulletinFlight OpsMaintenanceSafety MgmtRobinson R44 (Raven)Robinson R66

EASA SIB 2021-13

Drive Train Failure

EASA Safety Information Bulletin No. 2021-13 is an airworthiness bulletin addressing a drive train failure issue in Robinson Helicopter Company R22 and R44 helicopters. The bulletin references the Civil Aviation Safety Authority of Australia's Airworthiness Bulletin 63-010 Issue 1, which highlights a failure in a Robinson R44 drive train component identified by the Australian Transport Safety Bureau. EASA concurs with the recommendations issued by CASA to ensure awareness among operators and maintenance organizations in EASA Member States.

Jun 29, 2021
Safety Information BulletinMaintenanceSafety MgmtRobinson R22Robinson R44 (Raven)

EASA AD US-2020-18-08

Powerplant - Engine Air Induction Hoses - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2020-18-08 supersedes AD 2019-12-18 and applies to Robinson Helicopter Company Model R44 II helicopters equipped with orange silicone engine air induction hoses part number A785-31. This directive mandates inspections and replacement of these hoses due to risks of separation between the hose's inner and outer layers, which could cause engine airflow blockage and potential helicopter control loss.

Aug 27, 2020
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)Robinson R44 II

EASA AD US-2020-08-10

Tail Rotor - Blades - Inspection

The Federal Register Volume 85, Number 75 (April 17, 2020) Final Rule titled Airworthiness Directive 2020-08-10 addresses Robinson Helicopter Company Model R44 and R44 II helicopters equipped with tail rotor blades part numbers C029-1 or C029-2. This directive mandates inspections for cracks in the tail rotor blades to prevent potential loss of the tail rotor and subsequent loss of helicopter control.

Apr 20, 2020
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)Robinson R44Robinson R44 II

EASA AD US-2019-12-18

SUPERSEDED BY FAA AD 2020-18-08

FAA Airworthiness Directive 2019-12-18 is a final rule addressing Robinson Helicopter Company Model R44 II helicopters. It mandates inspection and replacement of the engine air induction hose part number A785-31 due to reports of separation between the hose's outer and inner layers. This condition could lead to engine airflow blockage and potential engine stoppage.

Jul 5, 2019
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)Robinson R44 II

EASA AD 2006-0145-CN

CANCELLED: Flight Manual — Modification

EASA Airworthiness Directive Cancellation Notice 2006-0145-CN is an official cancellation of the previous airworthiness directive affecting Robinson Helicopter Company R44 helicopters manufactured before 4 April 2000. This cancellation notice confirms that the previously required flight manual modification is no longer mandated, as updated flight manuals have superseded the earlier versions. The document clarifies the applicable flight manual revisions for continued safe operation of these helicopters.

May 8, 2019
Airworthiness DirectiveMaintenanceSafety MgmtRobinson R44 (Raven)Robinson Helicopter Company R44