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SIKORSKY S-61A

5 registered · 1960–1964 · 2 NTSB events · 26 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 80.0% 4
  • OK 20.0% 1

By decade of manufacture

  • 1960s 100.0% 5

NTSB records

2 event(s) on file. Showing the most recent 2.

Airworthiness directives

26 directive(s) on file. Showing the most recent 25 · 1 more in the Federal Register.

  • 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…

  • Mar 16, 2022

    Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies

    The FAA is adopting a new airworthiness directive (AD) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This AD was prompted by hoists failing lower load limit inspections. This AD requires replacing unmodified hoists, installing placards, revisi…

  • Sep 30, 2021

    Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies

    The FAA is revising a notice of proposed rulemaking (NPRM) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This action revises the NPRM by adding a figure and revising certain requirements. The FAA is proposing this airworthiness directive (AD)…

  • May 27, 2021

    Airworthiness Directives; Carson Helicopters, Inc.; Croman Corporation; Sikorsky Aircraft Corporation; and Siller Helicopters

    The FAA is adopting a new airworthiness directive (AD) for all Carson Helicopters, Inc., Model S-61L and SH-3H helicopters; Croman Corporation Model SH-3H helicopters; Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V helicopters; and Siller Helicopters Model CH-3E and SH-3A helicopters. This AD was p…

  • 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…

  • Mar 15, 2021

    Airworthiness Directives; Carson Helicopters, Inc.; Croman Corporation; Sikorsky Aircraft Corporation; and Siller Helicopters

    The FAA is revising an earlier proposal for all Sikorsky Aircraft Corporation Model S-61 A, D, E, and V helicopters; Croman Corporation Model SH-3H helicopters, Carson Helicopters, Inc. Model S- 61L helicopters; and Siller Helicopters Model CH-3E and SH-3A helicopters. This action revises the notice of proposed rulema…

  • Dec 11, 2020

    Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies

    The FAA proposes to adopt a new airworthiness directive (AD) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This proposed AD would require replacing unmodified hoists, installing placards, revising the existing Rotorcraft Flight Manual (RFM) fo…

  • 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…

  • Oct 20, 2015

    Airworthiness Directives; Various Sikorsky-Manufactured Transport and Restricted Category Helicopters

    We are superseding Airworthiness Directive (AD) 98-26-02 for certain Sikorsky Aircraft Corporation (Sikorsky) Model S-61A, D, E, L, N, NM, R, and V helicopters. AD 98-26-02 required determining whether the main rotor shaft (MRS) was used in repetitive external lift (REL) operations, performing a nondestructive inspect…

  • Oct 8, 2014

    Airworthiness Directives; Various Sikorsky-Manufactured Transport and Restricted Category Helicopters

    We are revising an earlier proposed airworthiness directive (AD) for certain Sikorsky Aircraft Corporation (Sikorsky) Model S-61A, D, E, L, N, NM (serial number 61454), R, and V; Croman Corporation Model SH-3H, Carson Helicopters, Inc., Model S-61L; Glacier Helicopters, Inc. Model CH-3E; Robinson Air Crane, Inc. Model…

  • Apr 25, 2013

    Airworthiness Directives; Various Sikorsky-Manufactured Transport and Restricted Category Helicopters

    We are revising the proposals in an earlier notice of proposed rulemaking (NPRM) for certain Sikorsky Aircraft Corporation (Sikorsky) Model S-61A, D, E, L, N, NM (serial number 61454), R, and V; Croman Corporation Model SH-3H, Carson Helicopters, Inc., Model S-61L; Glacier Helicopters, Inc. Model CH-3E; Robinson Air C…

  • Mar 22, 2013

    Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

    We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-61A, D, E, L, N, NM, R, and V helicopters to require replacing each forward and aft fuel system 40 micron fuel filter element with a 10 micron nominal (40 micron absolute) fuel filter element. This AD was prompted b…

  • Feb 3, 2012

    Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

    We propose to adopt a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-61A, D, E, L, N, NM, R, and V helicopters to require replacing each forward and aft fuel system 40 micron fuel filter element with a 10 micron fuel filter element. This proposed AD is prompted by a National Tran…

  • 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…

  • May 8, 2008

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V Helicopters

    This amendment adopts a new airworthiness directive (AD) for the specified Sikorsky Aircraft Corporation (Sikorsky) model helicopters that requires installing an electric chip detector on each engine and an on-board chip detector annunciation system. The AD also requires revising the Rotorcraft Flight Manual (RFM) to…

  • Apr 22, 2008

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-61A, D, E, L, N, NM, R, and V; Croman Corporation Model SH-3H, Carson Helicopters, Inc. Model S-61L; Glacier Helicopter Model CH-3E; Robinson AirCrane, Inc. Model CH-3E, CH-3C, HH-3C and HH-3E; and Siller Helicopters Model CH-3E and SH-3A Helicopters

    This amendment proposes superseding an existing airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S- 61A, D, E, L, N, NM, R, and V helicopters. The existing AD currently requires determining whether the main rotor shaft (MRS) was used in repetitive external lift (REL) operations. The exis…

  • Dec 6, 2007

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V Helicopters

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

  • 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…

  • Jun 15, 2001

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

    This amendment adopts a new airworthiness directive (AD) that is applicable to certain General Electric Company (GE) CT58 series and former military T58 series turboshaft engines. This action requires the removal from service of certain fuel flow divider assemblies, and replacement with serviceable parts. This amendme…

  • Apr 12, 2001

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

    This document proposes superseding an existing airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S- 61A, D, E, L, N, NM, R, and V helicopters. That AD currently requires a nondestructive inspection (NDI) for a crack in the main rotor shaft (shaft) and replacing any cracked shaft. This act…

  • Dec 16, 1998

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

    This amendment adopts a new airworthiness directive (AD), applicable to Sikorsky Aircraft Corporation Model S-61A, D, E, L, N, NM, R, and V helicopters, that requires a nondestructive inspection (NDI) for cracks in the main rotor shaft (shaft), and requires removal of any shaft with a crack and replacement with an air…

  • Aug 25, 1998

    Airworthiness Directives; Sikorsky Aircraft Corporation Model S- 61A, D, E, L, N, NM, R, and V Helicopters; Correction

    This document corrects the amendment number in airworthiness directive (AD) 97-19-06 that was incorrectly published in the Federal Register on September 19, 1997 (62 FR 49132). This AD is applicable to Sikorsky Aircraft Corporation Model S-61A, D, E, L, N, NM, R, and V helicopters and requires, before further flight,…

  • Sep 19, 1997

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

    This amendment supersedes an existing priority letter airworthiness directive (AD), applicable to Sikorsky Aircraft Corporation Model S-61A, D, E, L, N, NM, R, and V helicopters, that currently requires inspecting certain main rotor blade assemblies (blades) to determine if a blade has a blade trailing edge pocket ass…

Type certificate data sheets · 1 match in the FAA catalog

  • H2EA Sikorsky Aircraft Corporation Historical Rev 4 · 12/07/2012

    Models: S-61A, S-61E, S-61D, S-61V

Supplemental type certificates · 87 on file

+ 57 more STCs on file

PMA replacement parts · 60+ on file

+ 20 more PMA parts on file

Registered N-numbers · 5

5 of 5 ● 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
N1043T OR 1961 ● Look up ↗
N1048Y OR 1961 · Look up ↗
N5193Y OK 1963 ● Look up ↗
N624CK OR 1964 · Look up ↗
N9696W OR 1960 · Look up ↗

Source — FAA Aircraft Registry

Sources