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
- 04/14/2023 STC SH3319NM Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 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 DRS ↗
- 11/03/2020 STC SR04483CH Installation of NASI NREM18M Air Conditioning Module National Aircraft Service Inc. (NASI) DRS ↗
- 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 DRS ↗
- 03/24/2020 STC SR00925DE Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality Peregrine DRS ↗
- 06/13/2019 STC SR00925DE Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality Peregrine DRS ↗
- 05/19/2019 STC SR00925DE Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality Peregrine DRS ↗
- 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 DRS ↗
- 12/29/2016 STC SH3319NM Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 01/14/2015 STC SR02394AK Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system Seaplanes North LLC DRS ↗
- 06/09/2014 STC SH3319NM Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 03/19/2014 STC SR03310CH Installation of NASI Air Conditioning Module National Aircraft Service Inc DRS ↗
- 07/25/2013 STC SH3319NM Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 10/17/2012 STC SH3319NM Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 05/23/2012 STC SR02394AK Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system Floats Alaska LLC DRS ↗
- 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 DRS ↗
- 02/21/2012 STC SH3319NM Installation of Precise Pulselite Control System Precise Flight Inc DRS ↗
- 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 DRS ↗
- 12/09/2009 STC SA2693NM (PAGE 2) Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc. DRS ↗
- 09/09/2009 STC SR01585NY Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1. Carson Helicopters Inc DRS ↗
- 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. DRS ↗
- 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. DRS ↗
- 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 DRS ↗
- 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 DRS ↗
- 10/13/2005 STC SR09448RC Installation of Concorde Battery Corporation Model RG-3BOE/44 Valve Regulated Sealed Lead Acid Battery Carson Helicopters Inc DRS ↗
- 05/06/2004 STC SR01585NY Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1. Carson Helicopters Inc DRS ↗
- 11/07/2003 STC SH3319NM Installation of Precise Pulselite Control Unit in the Landing/Taxi/Recognition Visual Control Light System. Precise Flight Inc DRS ↗
- 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 DRS ↗
- 09/03/2003 STC SR01585NY Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1. Carson Helicopters Inc DRS ↗
- 01/17/2003 STC SR01585NY Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1. Carson Helicopters Inc DRS ↗
+ 10 more STCs on file
PMA replacement parts · 10 on file
- R6125-50309-4#https://drs.faa.gov/browse/excelExternalWindow/74848E42835CABB1862580DB006669D2.0001## PLATE Rotair Industries Inc replaces S6125-50309-4
- RS5081-07#https://drs.faa.gov/browse/excelExternalWindow/E842FFA38118565786257F7E006D5561.0001## NUT Rotair Industries Inc replaces SS5081-07
- R6135-20433-104#https://drs.faa.gov/browse/excelExternalWindow/39BA62DE9D82415C86257B9B006B40DC.0001## MANIFOLD GEARBOX Rotair Industries Inc replaces S6135-20433-104
- R6120-61229-4#https://drs.faa.gov/browse/excelExternalWindow/CC57FCA99E93E7D686257B1D007216C7.0001## WINDOW Rotair Industries Inc replaces S6120-61229-4
- P6117-30110-081#https://drs.faa.gov/browse/excelExternalWindow/35A75266C32C516B8625735B004CF3A2.0001## Pocket Assembly Master Support Inc replaces S6117-30110-081
- P6117-30110-081#https://drs.faa.gov/browse/excelExternalWindow/A3C6271EC60DF13F86257359006F8E13.0001## Pocket Assembly Master Support Inc replaces S6117-30110-081
- R6137-64329-2#https://drs.faa.gov/browse/excelExternalWindow/6BE5065103323AB38625864100400764.0001## Tube Assy Rotair Industries Inc replaces S6137-64329-2
- #https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID929438009620210623160112.0001## Rotair Industries Inc
- #https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID465450546720210623160142.0001## Rotair Industries Inc
- RS5081-07#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID229037487820210623160100.0001## NUT, SELF LOCKING DOUBLE HEX 180 KSI Rotair Industries Inc replaces SS5081-07
Advisory circulars & Federal Register
Advisory circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register · Parts 91 & 43
- 2026-09-14 Use of Certain Restricted Category Aircraft for the Transport of Firefighters for Wildfire Suppression FR ↗
- 2026-07-31 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
- 2026-07-02 Enabling Supersonic Overland Flight FR ↗
- 2026-07-01 Mechanic Certification: Inspection Rating and Recent Experience Requirements FR ↗
- 2026-06-30 Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility; Extension of Comment Period FR ↗
Registered N-numbers · 1
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N4263A | OR | 1966 | · | Look up ↗ |
Source — FAA Aircraft Registry
Sources
- FAA Aircraft Registry ↗ Refreshed Apr 27, 2026 Available
- NTSB CAROL ↗ Refreshed Jun 10, 2026 Available
- Federal Register (FAA Airworthiness Directives) ↗ Refreshed Apr 27, 2026 Available