Public Record · As of May 5, 2026
N5193Y
Sikorsky S-61A · 1963 View Type →
Status
Registration Valid
Type
Rotorcraft
Engine
GE CT58-140-1
Last Cert Issue
—
Aircraft Resources
01 / Registration
Filed with the Federal Aviation Administration
Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N5193Y.
Tail Number
N5193Y
Serial Number
61-184
Make
SIKORSKY
Model
S-61A
Year of Manufacture
1963
Mfr / Model Code
814210C
Type Aircraft
Rotorcraft
Type Engine
Turbo-shaft
Engines
2
Seats
28
Engine Manufacturer
GE
Engine Model
CT58-140-1
Horsepower
1400 hp
Weight Class
CLASS 2
Certification
Restricted (+4 flags) · code 31240
Registrant
AIRCRAFT GUARANTY CORP TRUSTEE · Corporation
Address
928 SW 107TH ST · OKLAHOMA CITY, OK 73170-5244
FAA Region
2 · County 109
Status
Registration Valid
Airworthiness Date
—
Cert Issue Date
—
Expiration Date
—
Last FAA Action
—
Mode S Hex (ICAO24)
A685B6
Mode S (Octal)
51502666
Live position via ICAO24 A685B6
External services. Live tracks are unaffiliated with TallyAero or the FAA.
02 / NTSB Records
Events on file with the National Transportation Safety Board
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Aug 11, 2001
Wrangell, Alaska
03 / Airworthiness Directives
Applicable to SIKORSKY S-61A
Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.
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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; Robinson Air Crane, Inc., Model CH-3E, CH-3C, H…
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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 performing repetitive visual inspection…
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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, revising the existing Rotorcraft Flight Manual…
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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) to address the unsafe condition on these…
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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 prompted by an accident. This AD requires…
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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 service that have accumulated 15,000 or…
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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 rulemaking (NPRM) by adding camshaft and gear…
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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) for your helicopter, deactivating or remov…
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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 be arm assemblies in service that have a…
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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 inspection (NDI) for cracks, replacing any unai…
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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 CH-3E, CH-3C, HH-3C, and HH-3E; and Sil…
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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 Crane, Inc. Model CH-3E, CH-3C, HH-3C, an…
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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 by a National Transportation Safety Board…
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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 Transportation Safety Board (NTSB) review of…
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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 of the locking screw holes in the compres…
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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 originating from the inner faces of the locki…
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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 add procedures for crew response to the…
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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 existing AD also requires a nondestructive i…
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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 Flight Manual (RFM) to add procedures fo…
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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 a certain population of flow divider end…
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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 amendment is prompted by reports of large volum…
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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 action would require establishing and defin…
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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 airworthy shaft. This AD also requires appr…
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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, inspecting certain main rotor blades to…
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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 assembly (pocket assembly) that was anodize…
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Sep 18, 1997
Airworthiness Directives; Sikorsky Aircraft Corporation Model S- 61A, D, E, L, N, NM, R, and V Helicopters
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Sikorsky Aircraft Corporation (Sikorsky) Model S-61 A, D, E, L, N, NM, R, and V helicopters. This proposal would require a nondestructive inspection (NDI) for cracks in the main rotor shaft (shaft), and require removal of any shaft with a crack and replacement wi…
04 / Service Difficulty Reports
FAA SDR filings
The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →
05 / Related
More on Sikorsky S-61A in the Atlas
Sikorsky S-61A type page → — 5 registered · 26 ADs · 2 NTSB records
Recent NTSB events · this type
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Aug 19, 2015
Ironside, Oregon Minor
Atlas event →
Search the full US registry → · All airworthiness directives → · Accident & safety surface →
06 / Sources & Methodology
Every fact on this page links to its primary US-government source
- FAA Aircraft Registry →
Refreshed May 5, 2026
Available
- NTSB CAROL →
Refreshed May 5, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed May 5, 2026
Available
- FAA Service Difficulty Reports →
Refreshed May 5, 2026
Unavailable
We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.