EASA Regulations for Sikorsky S-76

12 airworthiness directives and regulations affecting Sikorsky S-76.

EASA AD 2015-0226R8

Equipment / Furnishings — Hoist — Test / Replacement

EASA Airworthiness Directive 2015-0226R8 is a regulatory document addressing the inspection, testing, and replacement requirements for Goodrich externally mounted rescue hoists installed on various helicopter models including Leonardo AW109SP, AB139, AW139, AB412; Bell Textron 212, 214, 412, 429, 430; Airbus Helicopters AS 365 N3, AS 332 L2, EC225 LP, MBB-BK117 C-2, EC135, EC635; MD Helicopters MD900; and Sikorsky S-61, S-76, and S-92A. The directive mandates load checks, cable replacements, and overload clutch replacements to ensure continued airworthiness and safety of hoist operations.

Jul 16, 2025

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Bell 429Bell 430Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 412Leonardo S.P.A. Helicopters A109Leonardo S.P.A. Helicopters A119Leonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Md Helicopters Inc (Mdhi) MD900Mcdermott 214 Holdings, 214Sikorsky S-61Sikorsky S-76Sikorsky S-92

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-2022-03-09

Navigation - Global Positioning System Receiver - Replacement

The Federal Register document titled "Navigation - Global Positioning System Receiver - Replacement" is a final rule airworthiness directive (AD) issued by the FAA affecting Sikorsky Aircraft Corporation Model S-76D helicopters equipped with Thales GPS TopStar 200 LPV receivers, part number C17149HA01. The AD addresses erroneous position outputs from these GPS receivers under certain conditions, which could compromise flight safety. It mandates replacement of the affected GPS receivers to ensure continued safe operation of the helicopters.

Mar 14, 2022

Airworthiness DirectiveMaintenanceSafety MgmtSikorsky S-76Sikorsky S-76D

EASA AD 2021-0148

Equipment & Furnishings — Emergency Flotation System — Rotorcraft Flight Manual (Supplement)

EASA Airworthiness Directive 2021-0148 is an update addressing the Emergency Flotation System (EFS) information in the Rotorcraft Flight Manual (Supplement) for Sikorsky S-76 and S-92A helicopters, Bell Helicopter Textron 212, 214B, 214ST, 412 series, and Bell Helicopter Textron Canada 222, 230, and 430 helicopters equipped with EFS. It mandates amendments to the Limitations Section of the flight manuals to include demonstrated sea state conditions for ditching performance of the EFS. This directive applies to helicopters with EFS installed as optional kits or via Supplemental Type Certificates.

Jun 21, 2021

Airworthiness DirectiveFlight OpsSafety MgmtBell 222Bell 230Bell 430Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 214STBell Textron Inc. (Bti) 412Mcdermott 214 Holdings, 214Sikorsky S-76Sikorsky S-92Sikorsky S-92ABell Helicopter Textron 212Bell Helicopter Textron 214BBell Helicopter Textron 214STBell Helicopter Textron 412Bell Helicopter Textron Canada 222Bell Helicopter Textron Canada 230Bell Helicopter Textron Canada 430

EASA AD US-2020-15-17

Indicating / Recording System - Remote Data Acquisition and Display Units - Software Update

The Federal Aviation Administration's Airworthiness Directive 2020-15-17 addresses certain Sikorsky Aircraft Corporation Model S-76C helicopters equipped with specific remote data acquisition units (RDAU) part numbers 76450-01098-106, 76450-01098-107, or 76450-01098-109. This directive mandates software updates to the RDAU and, for some helicopters, the display unit (DU) software to correct inaccurate main gear box (MGB) indications during flight. The directive aims to enhance flight safety by ensuring accurate MGB data is displayed to flight crews.

Sep 3, 2020

Airworthiness DirectiveMaintenanceSafety MgmtSikorsky S-76Sikorsky S-76C

EASA AD 2020-0039

Fire Protection — Hand-held Fire Extinguishers — Replacement

EASA Airworthiness Directive 2020-0039 is an airworthiness directive addressing fire protection on various helicopter models including Bell 222, 230, 430, 204, 205, 212, 214, 412, Erickson S-64F, Kamov Ka-32A11BC, and Sikorsky S-58, S-61, S-76, and S-92 helicopters. The directive focuses on the replacement of certain Halon-free hand-held fire extinguishers manufactured by umlaut engineering GmbH that have a manufacturing defect. It mandates the removal and replacement of affected fire extinguishers to ensure continued airworthiness and safety.

Feb 27, 2020

Airworthiness DirectiveMaintenanceSafety MgmtBell 222Bell 230Bell 430Bell Textron Inc. (Bti) 204BBell Textron Inc. (Bti) 205Bell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 214STBell Textron Inc. (Bti) 412Centerpointe Aerospace, Inc S-58Erickson Air-Crane S-64Kamov KA32Mcdermott 214 Holdings, 214Sikorsky S-61Sikorsky S-76Sikorsky S-92Bell 204Bell 205Bell 212Bell 214Bell 412Erickson S-64FKamov Ka-32A11BCSikorsky S-58

EASA AD US-2019-19-12

Engine Fuel & Control - Engine Collective Position Transducer - Inspection

Airworthiness Directive 2019-19-12 is a final rule issued by the FAA addressing Sikorsky Aircraft Corporation Model S-76C helicopters equipped with Turbomeca Arriel 2S1 or 2S2 engines that have engine collective position transducers (CPT) part numbers 76900-01821-104 or 76900-01821-105 installed. This directive mandates inspections and potential replacement of the CPT to prevent failure that could lead to engine control issues. It updates and expands upon the previous AD 2018-10-07 by including an additional CPT part number.

Oct 8, 2019

Airworthiness DirectiveMaintenanceSafety MgmtSikorsky S-76Sikorsky S-76C

EASA AD US-2018-10-07

SUPERSEDED BY FAA AD 2019-19-12

FAA Airworthiness Directive 2018-10-07 is a final rule addressing Sikorsky Aircraft Corporation Model S-76C helicopters equipped with Turbomeca Arriel 2S1 or 2S2 engines having engine collective position transducer (CPT) part number 76900-01821-104 installed. This directive requires inspections of the CPT to detect wear that has caused several momentary One Engine Inoperative (OEI) incidents. The AD aims to prevent unsafe conditions related to CPT wear that could lead to emergency landings.

Jun 11, 2018

Airworthiness DirectiveMaintenanceSafety MgmtSikorsky S-76Sikorsky S-76C

EASA AD 2007-0045-CN

CANCELLED: Engines Formerly Used by Non-Civil Operators — Civil Use

EASA Airworthiness Directive Cancellation Notice 2007-0045-CN cancels the previous directive EASA AD 2007-0045 concerning ARRIEL 1 series engines formerly used by non-civil operators such as military users. These engines are installed on helicopters including Airbus Helicopters AS 350, AS 365, SA 365, MBB BK-117, Leonardo A109, and Sikorsky S-76. The cancellation reflects a change in regulatory approach regarding the airworthiness of these engines for civil use.

Jan 24, 2018

Airworthiness DirectiveMaintenanceSafety MgmtSafran ARRIEL 1Airbus Helicopters AS 350Airbus Helicopters AS 365Airbus Helicopters SA 365MBB BK-117Leonardo A109Sikorsky S-76

EASA AD US-2017-19-01

Rotorcraft Flight Control - Main Rotor (M/R) Servo Pushrod Assembly - Inspection

Federal Register Volume 82, Number 227, Airworthiness Directive 2017-19-01 is a final rule issued by the FAA addressing Sikorsky Aircraft Corporation Model S-76A, S-76B, S-76C, and S-76D helicopters. It mandates inspection and marking of the main rotor servo pushrod assemblies with specific part numbers to prevent failure. The directive aims to enhance flight safety by addressing a critical component failure risk.

Dec 15, 2017

Airworthiness DirectiveMaintenanceSafety MgmtSikorsky S-76Sikorsky S-76ASikorsky S-76BSikorsky S-76CSikorsky S-76D

EASA SIB 2010-22

Crash Position Indicator CPI 503 series Emergency Locator Transmitter (ELT) - Limited Deployment Altitude

EASA Safety Information Bulletin SIB No. 2010-22 addresses the limited deployment altitude of the Crash Position Indicator CPI 503 series Emergency Locator Transmitters (ELTs) installed on various helicopter models including Eurocopter EC 155 B1, EC 225 LP, AS 332 L1/L2, AS 365 N2/N3, Eurocopter Deutschland EC 135 series, Agusta Westland A109 series, AB139, AW139, and Sikorsky S-61N, S-76 series, and S-92A helicopters. The bulletin highlights that these ELTs meet UK CAA specifications but do not fully comply with the JTSO/ETSO-2C126 EUROCAE ED-62 impact test criteria when deployed from high altitudes. A new model, P/N 503-16HT, has been developed to address this limitation.

Jul 30, 2010

Safety Information BulletinSafety MgmtAirbus Helicopters EC155 B1Airbus Helicopters EC225 LPAirbus Helicopters AS332 L1Airbus Helicopters AS332 L2Airbus Helicopters AS365 N2Airbus Helicopters AS365 N3Airbus Helicopters EC135AgustaWestland A109AgustaWestland AB139AgustaWestland AW139Sikorsky S-61NSikorsky S-76Sikorsky S-92A

EASA SIB 2008-70

FAA SAIB SW-08-37 - Sikorsky S-76 Helicopters - Inoperative Cyclic Control Stick Guard Override Mechanism

FAA Special Airworthiness Information Bulletin SW-08-37 addresses an issue with the inoperative cyclic control stick guard override mechanism on Sikorsky S-76 series helicopters, specifically those modified with Keystone Helicopter Corporation Supplemental Type Certificate SR01140NY-D. The bulletin highlights a safety concern where the stick guard's spring override mechanism may fail, potentially interfering with the forward movement of the cyclic stick during flight. EASA SIB No. 2008-70 supports the FAA's advisory and applies specifically to Sikorsky S-76C helicopters modified under the corresponding STC validated by EASA.

Jul 30, 2008

Safety Information BulletinSafety MgmtMaintenanceSikorsky S-76