# Croman SH-3H - Type: Aircraft model (FAA registry) - Registry code: 2490000 - Manufacturer (registry): CROMAN CORP - Model: SH-3H - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 2 · Turbo-shaft - Seats: 4 - Weight class: 12,500 to 19,999 lb - Certification: Type certificated - Data sheet: [TCDS R00004SE](https://openairdocs.org/tcds/R00004SE) (OpenAirDocs) - Holder: Croman Corporation - Registered aircraft: 5 - Page: https://openairdocs.org/model/croman-sh-3h Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2026-15-17](https://openairdocs.org/ad/2026-15-17): Main Rotor Gearbox · Glacier Helicopter CH-3E, S-61A, S-61D and 12 more. Effective Sep 10, 2026 - [AD 2026-11-05](https://openairdocs.org/ad/2026-11-05): Rotorcraft flight control; Rotorcraft servo system · Carson Helicopters S-61L, SH-3H, CH-3E and 11 more. Effective Jul 9, 2026 - [AD 2021-10-16](https://openairdocs.org/ad/2021-10-16): Engine/Transmission Coupling · Carson Helicopters S-61L, SH-3H, SH-3H and 6 more. Effective Jul 1, 2021 Historical (superseded or no longer in force): - [AD 2015-20-12](https://openairdocs.org/ad/2015-20-12) (historical): Main Rotor Gearbox · Carson Helicopters SH-3H, SH-3H, CH-3E and 13 more. Effective Nov 24, 2015 ## Registered aircraft (5) - [N611CK](https://openairdocs.org/aircraft/N611CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1961, S/N 148966 - [N612CK](https://openairdocs.org/aircraft/N612CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1962, S/N 149713 - [N613CK](https://openairdocs.org/aircraft/N613CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1965, S/N 152109 - [N628CK](https://openairdocs.org/aircraft/N628CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1966, S/N 152707 - [N635CK](https://openairdocs.org/aircraft/N635CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1962, S/N 149702 ## NTSB investigations (3) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB WPR12CA387](https://openairdocs.org/ntsb/WPR12CA387), Sep 1, 2012: Croman SH-3H (N611CK), Covelo, CA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a tree during an aerial firefighting flight. - [NTSB WPR09TA353](https://openairdocs.org/ntsb/WPR09TA353), Jul 17, 2009: Croman SH-3H (N613CK), Willow Creek, CA, substantial damage. Probable cause: The pilot’s failure to maintain adequate power during egress from a heliwell, which resulted in collision with the heliwell and a dynamic rollover. - [NTSB LAX06LA092](https://openairdocs.org/ntsb/LAX06LA092), Jan 18, 2006: Croman SH-3H (N612CK), Ely, NV, substantial damage. Probable cause: the loss of power in both engines due to the ingestion of ice and snow. Also causal was the pilot's preflight and in-flight decisions to fly into areas of known and forecast moderate icing conditions… ## FAA accident and incident reports (5) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20150804019699I](https://openairdocs.org/incident/20150804019699I), Aug 4, 2015: Croman Corporation SH-3H (N611CK), Springville, CA, Substantial damage. On August 4, 2015, N611CK a SH-3 helicopter struck a tree while conducting firefighting operations. The aircraft descended into a confined area to pick up… - [Incident 20120901020839I](https://openairdocs.org/incident/20120901020839I), Sep 1, 2012: Croman Corporation SH-3H (N611CK), Covelo, CA, Minor damage. Aircraft was contracted for public use on a fire contract for the department of forestry when the incident happened. Aircraft was sent to hotshot area division… - [Accident 20090717016169A](https://openairdocs.org/incident/20090717016169A), Jul 17, 2009: Croman SH3H (N613CK), Willow Creek, CA, Substantial damage. (-23) The aircraft departed Willow Creek helibase located .2 nautical miles north of the town of Willow Creek, CA, at 1416 hours local time to support aerial… - [Incident 20080506833379I](https://openairdocs.org/incident/20080506833379I), May 6, 2008: Croman SH3H (N613CK), Marfa, TX, Minor damage. (-23) The pilot allowed N613CK, a Croman SH-3H helicopter, to sink during a hover while loading water into the internal cells from a stock tank. The bottom… - [Accident 20060118001069A](https://openairdocs.org/incident/20060118001069A), Jan 18, 2006: Croman SH3H (N612CK), Ely, NV, Substantial damage. (-23) The helicopter pilot encountered deterioriating weather conditions with low ceilings and was back-tracking in order to find an acceptable route to the… ## Service difficulty reports (3) As reported by operators and repair stations, by the model named in the report. - [SDR 2023FA0000416](https://openairdocs.org/sdr/2023FA0000416), Aug 12, 2023: TRANS RECTIFIER. FAILED. WHILE FLYING, A BURNING SMELL WAS OBSERVED AS WELL AS VISIBLE SMOKE COMING FROM THE E-BAY. A PRECAUTIONARY LANDING WAS PERFORMED AND IT WAS DETERMINED THAT THE - [SDR JYER201407024](https://openairdocs.org/sdr/JYER201407024), Jul 20, 2014: BOLT. SHEARED. MAIN GEARBOX, NR 2 OIL PUMP FILTER HOUSING RETAINING BOLT SHEARED AT HEAD ALLOWING PRESSURE OIL TO ESCAPE FROM MAIN GEARBOX. PILOTS INITIATED PRECAUTIONARY LAND - [SDR JYER2014031901](https://openairdocs.org/sdr/JYER2014031901), Mar 17, 2014: STUD. SHEARED. DURING FLIGHT, HAD A LOW TRANSMISSION OIL PRESSURE MASTER CAUTION AND CORRESPONDING GAUGE LOW INDICATION, CO-PILOT LOOKED IN THE BACK OF THE AIRCRAFT TO FIND A ## STCs that may be installed (OpenAirDocs) (13) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SR01517SE](https://openairdocs.org/stc/SR01517SE): Fabrication and installation of an internal fire retardant tank. Croman Corporation - [STC SR01127SE](https://openairdocs.org/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. Retirement life for the modified main rotor blade, part number RR-61170-20201 is 21,200 total time in service. Park Technologies, LLC - [STC SR01051DE](https://openairdocs.org/stc/SR01051DE): Installation of Croman Corporation Electric Heater. Croman Corporation - [STC SR04401NY](https://openairdocs.org/stc/SR04401NY): Increase of Out of Ground Effect (OGE) Hover Performance. Carson Helicopters Inc - [STC SR04122NY](https://openairdocs.org/stc/SR04122NY): The Installation of Carson Helicopters, Inc. Composite Tail Rotor Blade and Pitch Sleeve, part number 428-600-1,. Carson Helicopters Inc - [STC SR02077SE](https://openairdocs.org/stc/SR02077SE): Installation of the Observer Seat CRCS100-01. Croman Corporation - [STC SR01755SE](https://openairdocs.org/stc/SR01755SE): Installation of the Main Rotor Head Modification. Croman Corporation - [STC SR01427SE](https://openairdocs.org/stc/SR01427SE): Installation of S-61L fixed main landing gear. Croman Corporation - [STC SR02267SE](https://openairdocs.org/stc/SR02267SE): Fabrication of replacement transmission fittings. Croman Corporation - [STC SH5125NM](https://openairdocs.org/stc/SH5125NM): Installation of Croman 10,000 lbs. cargo sling system and associated fuselage mounting hardpoints. Croman Corporation - [STC SR01426SE](https://openairdocs.org/stc/SR01426SE): Fabrication and installation of components for a left seat pilot-in-command operation. Croman Corporation - [STC SR02037SE](https://openairdocs.org/stc/SR02037SE): Fabrication and installation of improved pressure refueling shut-off system. Croman Corporation - [STC SR01288SE](https://openairdocs.org/stc/SR01288SE): Fabrication of Ag-Air Systems Model 36000 Auxiliary Hydraulic System. Kawak Aviation Technologies Inc ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Sikorsky SH-3H](https://openairdocs.org/model/sikorsky-sh-3h): 13 registered aircraft, registry code 8141829 - [Carson Helicopters SH-3H](https://openairdocs.org/model/carson-helicopters-sh-3h): 2 registered aircraft, registry code 814210O --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.