Rotorcraft · GE T58 SERIES · as of Sep 21, 2026
Resources Engine · GE Aerospace ↗ Search FAA TCDS ↗
Distribution · currently registered
By state (top 10)
- OR 100.0% 5
By decade of manufacture
- 1960s 100.0% 5
NTSB records
3 event(s) on file. Showing the most recent 3.
- Sep 1, 2012 N611CK Covelo, California NTSB docket ↗
- Jul 17, 2009 N613CK Willow Creek, California Minor NTSB docket ↗
- Jan 18, 2006 N612CK Ely, Nevada NTSB docket ↗
Airworthiness directives
9 directive(s) on file. Showing the most recent 9.
- 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…
- 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…
- 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…
- 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…
- 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…
- Oct 30, 2006
Airworthiness Directives; Sikorsky Aircraft Corporation Model S-61 A, D, E, and V; Croman Corporation Model SH-3H, Carson Helicopters, Inc. Model S-61L; and Siller Helicopters Model CH-3E and SH-3A Helicopters
This document proposes adopting a new airworthiness directive (AD) for the specified Sikorsky Aircraft Corporation (Sikorsky), Croman Corporation (Croman), Carson Helicopters, Inc. (Carson), and Siller Helicopters (Siller) model helicopters. The AD would require, within a specified time, creating a component history c…
Type certificate data sheets · 1 match in the FAA catalog
- R00004SE Croman Corporation Current Rev 2 · 12/08/2014
Models: SH-3H
Supplemental type certificates · 28 on file
- 06/09/2025 STC SR01517SE Fabrication and installation of an internal fire retardant tank Croman Corporation DRS ↗
- 10/20/2022 STC SR01127SE Modification of main rotor blade part number 61170-20201 in accordance with Master Drawing List RR 9633-08, Revision A, dated September 17, 2002, or later FAA approved revision. R… Park Technologies, LLC DRS ↗
- 06/05/2020 STC SR01051DE Installation of Croman Corporation Electric Heater Croman Corporation DRS ↗
- 11/08/2019 STC SR04401NY Increase of Out of Ground Effect (OGE) Hover Performance Carson Helicopters Inc 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 ↗
- 05/03/2017 STC SR02077SE Installation of the Observer Seat CRCS100-01 Croman Corporation DRS ↗
- 04/21/2016 STC SR01755SE Installation of the Main Rotor Head Modification Croman Corporation DRS ↗
- 04/05/2016 STC SR01427SE Installation of S-61L fixed main landing gear Croman Corporation DRS ↗
- 12/01/2015 STC SR02267SE Fabrication of replacement transmission fittings Croman Corporation DRS ↗
- 07/30/2014 STC SR01755SE Installation of the Main Rotor Head Modification Croman Corporation DRS ↗
- 06/23/2014 STC SR01755SE Installation of the Main Rotor Head Modification Croman Corporation DRS ↗
- 03/18/2014 STC SH5125NM Installation of Croman 10,000 lbs. cargo sling system and associated fuselage mounting hardpoints. Croman Corporation DRS ↗
- 09/10/2013 STC SR01426SE Fabrication and installation of components for a left seat pilot-in-command operation. Croman Corporation DRS ↗
- 05/01/2013 STC SH5125NM Installation of Croman 10,000 lbs. cargo sling system and associated fuselage mounting hardpoints. Croman Corporation DRS ↗
- 03/26/2013 STC SR02267SE Fabrication of replacement transmission fittings Croman Corporation DRS ↗
- 02/03/2011 STC SR01426SE Fabrication and installation of components for a left seat pilot-in-command operation. Croman Corporation DRS ↗
- 11/09/2010 STC SR01427SE Fabrication and installation of a fixed main landing gear. Croman Corporation DRS ↗
- 07/12/2010 STC SR02077SE Installation of the Observer Seat CRCS100-01 Croman Corporation DRS ↗
- 12/04/2009 STC SR02037SE Fabrication and installation of improved pressure refueling shut-off system Croman Corporation DRS ↗
- 06/05/2007 STC SR01288SE Fabrication of Ag-Air Systems Model 36000 Auxiliary Hydraulic System. Kawak Aviation Technologies Inc DRS ↗
- 04/19/2007 STC SR01755SE Installation of the Main Rotor Head Modification Croman Corporation DRS ↗
- 04/19/2007 STC SR01517SE ONE-ONLY STC: Fabrication and installation of an internal fire retardant tank on SH-3H, serial numbers 148966, 149713 and 152109. Croman Corporation DRS ↗
- 04/06/2007 STC SH5125NM Installation of Croman 10,000 lbs. cargo sling system and associated fuselage mounting hardpoints. Croman Corporation DRS ↗
- 12/04/2006 STC SR01288SE Fabrication of Ag-Air Systems Model 36000 Auxiliary Hydraulic System. AG-Air Systems Inc. DRS ↗
- 03/11/2005 STC SR01517SE ONE-ONLY STC: Fabrication and installation of an internal fire retardant tank on SH-3H, serial number 148966. Croman Corporation DRS ↗
- 08/06/2004 STC SR01288SE Fabrication of Ag-Air Systems Model 36000 Auxiliary Hydraulic System. AG-Air Systems Inc. DRS ↗
- 07/29/2004 STC SR01426SE Fabrication and installation of components for a left seat pilot-in-command operation. Croman Corporation DRS ↗
- 07/28/2004 STC SR01427SE Fabrication and installation of a fixed main landing gear. Croman Corporation DRS ↗
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 · 5
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N611CK | OR | 1961 | ● | Look up ↗ |
| N612CK | OR | 1962 | ● | Look up ↗ |
| N613CK | OR | 1965 | ● | Look up ↗ |
| N628CK | OR | 1966 | · | Look up ↗ |
| N635CK | OR | 1962 | · | 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