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SIKORSKY S-61R

1 registered · 1966–1966 · 0 NTSB events · 12 ADs

About this data

Rotorcraft · GE CT58-140-1 · as of Sep 21, 2026

Resources Engine · GE Aerospace ↗ Search FAA TCDS ↗

Distribution · currently registered

By state (top 10)

  • OR 100.0% 1

By decade of manufacture

  • 1960s 100.0% 1

NTSB records

No NTSB-recorded events match SIKORSKY S-61R in the indexed corpus.

Airworthiness directives

12 directive(s) on file. Showing the most recent 12.

  • Apr 21, 2026

    Airworthiness Directives; Various Helicopters

    The FAA proposes to supersede Airworthiness Directive (AD) 2015-20-12, which applies to certain Sikorsky Aircraft Corporation Model S-61A, D, E, L, N, NM serial number (S/N) 61454, R, and V; Croman Corporation Model SH-3H; Carson Helicopters, Inc., Model S-61L and SH- 3H; Glacier Helicopter, Inc., Model CH-3E; Robinso…

  • Mar 13, 2026

    Airworthiness Directives; Various Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for various helicopters. This proposed AD was prompted by a report of a loss of tail rotor authority due to auxiliary system fluid loss caused by a yaw pedal damper housing fatigue fracture and attachment bolt fatigue fracture. This proposed AD would require…

  • Apr 2, 2021

    Airworthiness Directives; Sikorsky Aircraft and Sikorsky Aircraft Corporation Helicopters

    The FAA is adopting a new airworthiness directive (AD) for Sikorsky Aircraft Model S-61L, S-61N, S-61NM, and S-61R helicopters and Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V restricted category helicopters. This AD was prompted by the manufacturer determining that there may be arm assemblies in…

  • Oct 26, 2020

    Airworthiness Directives; Sikorsky Aircraft and Sikorsky Aircraft Corporation Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for all Sikorsky Aircraft Model S-61L, S-61N, S-61NM, and S-61R helicopters and Sikorsky Aircraft Corporation Model S-61A, S-61D, S- 61E, and S-61V restricted category helicopters. This proposed AD was prompted by the manufacturer determining that there may…

  • Jun 28, 2013

    Airworthiness Directives; Various Helicopter Models

    We are publishing a new airworthiness directive (AD) for various model helicopters with certain part-numbered and serial- numbered Goodrich externally-mounted hoists installed. This AD requires performing a cable conditioning lift and a load inspection test, deactivating or replacing any hoist that fails the load insp…

  • Oct 27, 2008

    Airworthiness Directives; General Electric Company (GE) CT58 Series Turboshaft Engines

    The FAA is adopting a new airworthiness directive (AD) for certain GE CT58 series turboshaft engines. This AD requires recalculating the lives of certain part numbered compressor spools using a new repetitive heavy lift (RHL) multiplying factor. This AD results from reports of cracks originating from the inner faces o…

  • Jul 23, 2008

    Airworthiness Directives; General Electric Company (GE) CT58 Series Turboshaft Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for certain GE CT58 series turboshaft engines. This proposed AD would require recalculating the lives of certain part numbered compressor spools using a new repetitive heavy lift (RHL) multiplying factor. This proposed AD results from reports of cracks origi…

  • Feb 22, 2005

    Airworthiness Directives; General Electric Company CT58 Series and Surplus Military T58 Series Turboshaft Engines

    The FAA is adopting a new airworthiness directive (AD) for General Electric Company (GE) CT58-140-1, CT58-140-2, and surplus military T58-GE-5, -10, -100, and -402 turboshaft engines with certain serial numbers (SNs) of stage 1 compressor disks, part number (P/N) 5001T20P01, installed. This AD requires removing certai…

  • Aug 2, 2004

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-61L, S-61N, S-61-NM, and S-61R Helicopters

    This amendment adopts a new airworthiness directive (AD) for the specified Sikorsky Aircraft Corporation (Sikorsky) model helicopters that requires installing a Number 5 bearing chip detector in each engine, installing an on-board chip detector annunciation system, and revising the Rotorcraft Flight Manual (RFM) to ad…

  • Feb 26, 2004

    Airworthiness Directives; General Electric Company CT58 and T58 Series Turboshaft Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for General Electric Company (GE) CT58-140-1, CT58-140-2, and T58-GE-5, -10, -100, and -402 series turboshaft engines with certain serial numbers (SNs) of stage 1 compressor disks, part number (P/N) 5001T20P01, installed. This proposed AD would require remov…

  • Feb 23, 2004

    Airworthiness Directives; General Electric Company CT58 Series and T58 Series Turboshaft Engines

    The FAA is adopting a new airworthiness directive (AD) for certain General Electric Company (GE) CT58-100-2, CT58-140-1, -140-2, and T58-GE-1, -3, -5, -8E, -8F, -10, -100, and -402 turboshaft engines. This AD requires the removal from service of certain fuel flow divider assemblies. This AD results from a report that…

  • Nov 24, 2003

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-61L, S-61N, S-61-NM, and S-61R Helicopters

    This document proposes adopting a new airworthiness directive (AD) for the specified Sikorsky Aircraft Corporation (Sikorsky) model helicopters. The AD would require installing a Number 5 bearing chip detector in each engine, installing an on-board chip detector annunciation system, and revising the Rotorcraft Flight…

Type certificate data sheets · 1 match in the FAA catalog

  • 1H15 Sikorsky Aircraft Historical Rev 17 · 12/07/2012

    Models: S-61NM, S-61R, S-61L, S-61N

Supplemental type certificates · 40 on file

+ 10 more STCs on file

PMA replacement parts · 10 on file

Registered N-numbers · 1

1 of 1 ● NTSB events on file · orange tails have Atlas pages · Look up queries the live FAA registry (owner, address, last airworthiness)
N-number St Year NTSB FAA
N4263A OR 1966 · Look up ↗

Source — FAA Aircraft Registry

Sources