EASA Regulations for Sikorsky S-61

6 airworthiness directives and regulations affecting Sikorsky S-61.

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New ADs and bulletins for Sikorsky S-61, summarized like the ones below, every Monday.

EASA AD US-2026-15-17

Aug 18, 2026

Main Rotor Gearbox - Main Rotor Shaft - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2026-15-17 is a final rule addressing the main rotor shaft (MRS) inspection and replacement requirements for various helicopter models including Sikorsky S-61 variants, Croman SH-3H, Carson S-61L and SH-3H, Glacier CH-3E, Robinson Air Crane CH-3 and HH-3 variants, and Siller CH-3E and SH-3A helicopters. This directive updates life limits and inspection protocols for MRS part numbers S6135-20640-001, S6135-20640-002, and S6137-23040-001 to ensure continued airworthiness and safety.

Airworthiness Directive
  • Sikorsky S-61
  • Croman SH-3H
  • Carson S-61L
  • Carson SH-3H
  • Glacier CH-3E
  • Robinson Air Crane CH-3
  • Robinson Air Crane HH-3
  • Siller CH-3E
  • Siller SH-3A

EASA AD US-2026-11-05

Jun 8, 2026

Rotorcraft Flight Control - Auxiliary Servo Assembly - Inspections

The Federal Aviation Administration's Airworthiness Directive 2026-11-05 is a final rule addressing various helicopters including Sikorsky S-61 models and others. It mandates inspections and maintenance actions related to the auxiliary servo assembly and yaw pedal damper housing to prevent loss of tail rotor authority. This directive targets specific helicopter models such as Carson S-61L, Croman SH-3H, Glacier CH-3E, Reynolds USAF CH-3 variants, Sikorsky S-61 series, and Siller CH-3E and SH-3A helicopters.

Airworthiness Directive
  • Sikorsky S-61
  • Carson S-61L
  • Croman SH-3H
  • Glacier CH-3E
  • Reynolds USAF CH-3
  • Siller CH-3E
  • Siller SH-3A

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-2021-05-19

Apr 6, 2021

Tail Rotor Control System - Arm Assembly - Life Limit

The FAA Airworthiness Directive 2021-05-19 addresses Sikorsky Aircraft Model S-61L, S-61N, S-61NM, S-61R helicopters and Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V restricted category helicopters equipped with arm assembly part number S6140-62614-009. This directive establishes a life limit for the tail rotor control system arm assembly to prevent operation beyond 15,000 hours time-in-service (TIS).

Airworthiness Directive
  • Sikorsky S-61
  • Sikorsky S-61L
  • Sikorsky S-61N
  • Sikorsky S-61NM
  • Sikorsky S-61R
  • Sikorsky S-61A
  • Sikorsky S-61D
  • Sikorsky S-61E
  • Sikorsky S-61V

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 SIB 2007-13

May 22, 2007

FAA SAIB NE-07-30 - Sikorsky Aircraft S-61 Series Helicopters - Blade Inspection Method (BIM) System

FAA Special Airworthiness Information Bulletin NE-07-30 is an informational bulletin concerning Sikorsky Aircraft Model S-61 Series helicopters equipped with the Blade Inspection Method (BIM®) system. It alerts operators and maintenance personnel to restrict from further flight any main rotor blade showing BIM indications until the cause is determined and corrected. The document references FAA Airworthiness Directives 74-20-07 R5 and 85-18-05 R2, which apply to all S-61 helicopters, including those registered in EU Member States under EASA regulations.

Safety Information Bulletin
  • Sikorsky S-61