EASA Regulations for Sikorsky S-76

13 airworthiness directives and regulations affecting Sikorsky S-76.

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New ADs and bulletins for Sikorsky S-76, summarized like the ones below, every Monday.

EASA AD 2015-0226R8

Jul 16, 2025

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.

Airworthiness Directive
  • Airbus Helicopters SA 330
  • Airbus Helicopters AS 332
  • Airbus Helicopters EC 225
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Bell 429
  • Bell 430
  • Bell Textron Inc. (Bti) 212
  • Bell Textron Inc. (Bti) 412
  • Leonardo S.P.A. Helicopters A109
  • Leonardo S.P.A. Helicopters A119
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Md Helicopters Inc (Mdhi) MD900
  • Mcdermott 214 Holdings, 214
  • Sikorsky S-61
  • Sikorsky S-76
  • Sikorsky S-92

EASA AD US-2024-20-07

Nov 29, 2024

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.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters BO 105
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Bell 206
  • Bell 407
  • Bell Textron Inc. (Bti) 210
  • Bell Textron Inc. (Bti) 212
  • Bell Textron Inc. (Bti) 412
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Md Helicopters Inc (Mdhi) 369
  • Md Helicopters Inc (Mdhi) 500N
  • Robinson R44 (Raven)
  • Robinson R66
  • Sikorsky S-76

EASA AD US-2022-03-09

Mar 14, 2022

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.

Airworthiness Directive
  • Sikorsky S-76
  • Sikorsky S-76D

EASA AD 2021-0148

Jun 21, 2021

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.

Airworthiness Directive
  • Bell 222
  • Bell 230
  • Bell 430
  • Bell Textron Inc. (Bti) 212
  • Bell Textron Inc. (Bti) 214ST
  • Bell Textron Inc. (Bti) 412
  • Mcdermott 214 Holdings, 214
  • Sikorsky S-76
  • Sikorsky S-92
  • Sikorsky S-92A
  • Bell Helicopter Textron 212
  • Bell Helicopter Textron 214B
  • Bell Helicopter Textron 214ST
  • Bell Helicopter Textron 412
  • Bell Helicopter Textron Canada 222
  • Bell Helicopter Textron Canada 230
  • Bell Helicopter Textron Canada 430

EASA AD US-2020-15-17

Sep 3, 2020

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.

Airworthiness Directive
  • Sikorsky S-76
  • Sikorsky S-76C

EASA AD 2020-0039

Feb 27, 2020

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.

Airworthiness Directive
  • Bell 222
  • Bell 230
  • Bell 430
  • Bell Textron Inc. (Bti) 204B
  • Bell Textron Inc. (Bti) 205
  • Bell Textron Inc. (Bti) 212
  • Bell Textron Inc. (Bti) 214ST
  • Bell Textron Inc. (Bti) 412
  • Centerpointe Aerospace, Inc S-58
  • Erickson Air-Crane S-64
  • Kamov KA32
  • Mcdermott 214 Holdings, 214
  • Sikorsky S-61
  • Sikorsky S-76
  • Sikorsky S-92
  • Bell 204
  • Bell 205
  • Bell 212
  • Bell 214
  • Bell 412
  • Erickson S-64F
  • Kamov Ka-32A11BC
  • Sikorsky S-58

EASA AD US-2019-19-12

Oct 8, 2019

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.

Airworthiness Directive
  • Sikorsky S-76
  • Sikorsky S-76C

EASA AD US-2018-10-07

Jun 11, 2018

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.

Airworthiness Directive
  • Sikorsky S-76
  • Sikorsky S-76C

EASA AD 2007-0045-CN

Jan 24, 2018

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.

Airworthiness Directive
  • Safran ARRIEL 1
  • Airbus Helicopters AS 350
  • Airbus Helicopters AS 365
  • Airbus Helicopters SA 365
  • MBB BK-117
  • Leonardo A109
  • Sikorsky S-76

EASA AD US-2017-19-01

Dec 15, 2017

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.

Airworthiness Directive
  • Sikorsky S-76
  • Sikorsky S-76A
  • Sikorsky S-76B
  • Sikorsky S-76C
  • Sikorsky S-76D

EASA SIB 2010-22

Jul 30, 2010

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.

Safety Information Bulletin
  • Airbus Helicopters EC155 B1
  • Airbus Helicopters EC225 LP
  • Airbus Helicopters AS332 L1
  • Airbus Helicopters AS332 L2
  • Airbus Helicopters AS365 N2
  • Airbus Helicopters AS365 N3
  • Airbus Helicopters EC135
  • AgustaWestland A109
  • AgustaWestland AB139
  • AgustaWestland AW139
  • Sikorsky S-61N
  • Sikorsky S-76
  • Sikorsky S-92A

EASA SIB 2008-70

Jul 30, 2008

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.

Safety Information Bulletin
  • Sikorsky S-76

EASA SIB 2008-28

Apr 3, 2008

CASA Australia AWB 80-002 - Sikorsky S-76 Helicopters - Corrosion of #1 and #2 DC Starter/Generator Earth Points

CASA Australia AWB 80-002 is an Airworthiness Bulletin addressing corrosion issues on the #1 and #2 DC Starter/Generator earth points of Sikorsky S-76 series helicopters. The bulletin highlights the risk of generator failure due to corrosion and insufficient torque at these earth points. It applies to all models and serial numbers of Sikorsky S-76 rotorcraft.

Airworthiness Directive
  • Sikorsky S-76