Type Record · As of May 3, 2026
SIKORSKY S-61R
Rotorcraft · GE CT58-140-1
Registered
1
Year Range
1966–1966
NTSB Events
0
Airworthiness Directives
12
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered SIKORSKY S-61R aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- OR 100.0% 1
By Decade of Manufacture
- 1960s 100.0% 1
02 / NTSB Records
Events involving SIKORSKY S-61R aircraft
No NTSB-recorded events match SIKORSKY S-61R in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to SIKORSKY S-61R
12 directive(s) on file. Showing the most recent 12.
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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; Robinso…
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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…
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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…
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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…
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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…
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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 o…
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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 origi…
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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…
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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…
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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…
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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…
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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…
04 / Type Certificate Data Sheets
FAA TCDS for SIKORSKY S-61R
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- 1H15 Historical Rev 17 · 12/07/2012
Sikorsky Aircraft
Models: S-61NM, S-61R, S-61L, S-61N
06 / Supplemental Type Certificates
Modifications approved for SIKORSKY S-61R
40 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
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04/14/2023
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
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04/06/2023
STC SR02279AK
Installation of dual Rockwell Collins FDS 2000 flight displays, dual AHS 3000 attitude and heading reference systems, dual Garmin GNS 530 navigation systems and supporting avionics…
Croman Corporation
-
11/03/2020
STC SR04483CH
Installation of NASI NREM18M Air Conditioning Module
National Aircraft Service Inc. (NASI)
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05/19/2020
STC SH3319NM (1 OF 2)
Installation of Precise Flight Pulselite Control Unit in the\nLanding /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
03/24/2020
STC SR00925DE
Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality
Peregrine
-
06/13/2019
STC SR00925DE
Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality
Peregrine
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05/19/2019
STC SR00925DE
Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality
Peregrine
-
02/20/2019
STC SR04122NY
The Installation of Carson Helicopters, Inc. Composite Tail Rotor Blade and Pitch Sleeve, part number 428-600-1,
Carson Helicopters Inc
-
12/29/2016
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
01/14/2015
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system
Seaplanes North LLC
-
06/09/2014
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
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03/19/2014
STC SR03310CH
Installation of NASI Air Conditioning Module
National Aircraft Service Inc
-
07/25/2013
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
10/17/2012
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
05/23/2012
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system
Floats Alaska LLC
-
03/15/2012
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system per Installation Instructions LED03-20R, Rev. IR, dated October 27, 2010.
Floats Alaska LLC
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02/21/2012
STC SH3319NM
Installation of Precise Pulselite Control System
Precise Flight Inc
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07/05/2011
STC ST00961LA
Installation of MASS Systems fire extinguisher cartridges as replacements for Walter Kidde Aerospace fire extinguisher cartridges in fire extinguisher bottles installed in the airp…
AMETEK AMERON LLC d/b/a MASS Systems
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12/09/2009
STC SA2693NM (PAGE 2)
Installation of Electronics International digital volt/amp gauges and accessories.
Electronics International Inc.
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09/09/2009
STC SR01585NY
Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1.
Carson Helicopters Inc
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07/29/2009
STC ST00961LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
MASS Systems a Unit of American Global Inc.
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03/06/2007
STC ST00961LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
Mass Systems Inc.
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01/12/2007
STC SA02279AK
Installation of dual Rockwell Collins FDS 2000 flight displays, dual AHS 3000 attitude and heading reference systems, dual Garmin GNS 530 navigation systems and supporting avionics…
Acrohelipro Global Services USA Inc
-
11/08/2006
STC SA02279AK
Installation of dual Rockwell Collins FDS 2000 flight displays, dual AHS 3000 attitude and heading reference systems, dual Garmin GNS 530 navigation systems and supporting avionics…
Acrohelipro Global Services USA Inc
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10/13/2005
STC SR09448RC
Installation of Concorde Battery Corporation Model RG-3BOE/44 Valve Regulated Sealed Lead Acid Battery
Carson Helicopters Inc
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05/06/2004
STC SR01585NY
Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1.
Carson Helicopters Inc
-
11/07/2003
STC SH3319NM
Installation of Precise Pulselite Control Unit in the Landing/Taxi/Recognition Visual Control Light System.
Precise Flight Inc
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10/17/2003
STC SR01210NY
Extension of main rotor blade, P/N 61170-20201 series. For model S-61A, serial numbers 61-063, 61-147, 61-232, 61-272; for model S-61N, 61-216, 61-220, 61-242, 61-744; for model S-…
Carson Helicopters, Inc
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09/03/2003
STC SR01585NY
Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1.
Carson Helicopters Inc
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01/17/2003
STC SR01585NY
Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1.
Carson Helicopters Inc
+ 10 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for SIKORSKY S-61R
10 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
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R6125-50309-4#https://drs.faa.gov/browse/excelExternalWindow/74848E42835CABB1862580DB006669D2.0001##
PLATE
Rotair Industries Inc replaces S6125-50309-4
PMA holder → -
RS5081-07#https://drs.faa.gov/browse/excelExternalWindow/E842FFA38118565786257F7E006D5561.0001##
NUT
Rotair Industries Inc replaces SS5081-07
PMA holder → -
R6135-20433-104#https://drs.faa.gov/browse/excelExternalWindow/39BA62DE9D82415C86257B9B006B40DC.0001##
MANIFOLD GEARBOX
Rotair Industries Inc replaces S6135-20433-104
PMA holder → -
R6120-61229-4#https://drs.faa.gov/browse/excelExternalWindow/CC57FCA99E93E7D686257B1D007216C7.0001##
WINDOW
Rotair Industries Inc replaces S6120-61229-4
PMA holder → -
P6117-30110-081#https://drs.faa.gov/browse/excelExternalWindow/35A75266C32C516B8625735B004CF3A2.0001##
Pocket Assembly
Master Support Inc replaces S6117-30110-081
PMA holder → -
P6117-30110-081#https://drs.faa.gov/browse/excelExternalWindow/A3C6271EC60DF13F86257359006F8E13.0001##
Pocket Assembly
Master Support Inc replaces S6117-30110-081
PMA holder → -
R6137-64329-2#https://drs.faa.gov/browse/excelExternalWindow/6BE5065103323AB38625864100400764.0001##
Tube Assy
Rotair Industries Inc replaces S6137-64329-2
PMA holder → -
#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID929438009620210623160112.0001##
Rotair Industries Inc
PMA holder → -
#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID465450546720210623160142.0001##
Rotair Industries Inc
PMA holder → -
RS5081-07#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID229037487820210623160100.0001##
NUT, SELF LOCKING DOUBLE HEX 180 KSI
Rotair Industries Inc replaces SS5081-07
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for SIKORSKY S-61R
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 1 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N4263A | OR | 1966 | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →