# Carson Helicopters SH-3H

- Type: Aircraft model (FAA registry)
- Registry code: 814210O
- Manufacturer (registry): CARSON HELICOPTERS INC
- Model: SH-3H
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 11
- Weight class: 20,000 lb and over
- Certification: Type certificated
- Data sheet: [TCDS R00014LA](https://openairdocs.org/tcds/R00014LA) (OpenAirDocs)
- Holder: Carson Helicopters Inc.
- Registered aircraft: 2
- Page: https://openairdocs.org/model/carson-helicopters-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Historical (superseded or no longer in force):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 (2)

- [N349FC](https://openairdocs.org/aircraft/N349FC): [Carson Helicopters Inc](https://openairdocs.org/faa-owner/CARSON%20HELICOPTERS%20INC), [Perkasie, PA](https://openairdocs.org/faa-place/PA/Perkasie), built 1964, S/N 61239
- [N352DH](https://openairdocs.org/aircraft/N352DH): [Carson Helicopters Inc](https://openairdocs.org/faa-owner/CARSON%20HELICOPTERS%20INC), [Perkasie, PA](https://openairdocs.org/faa-place/PA/Perkasie), built 1962, S/N 61161

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## 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) (8)

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 SR00206NY](https://openairdocs.org/stc/SR00206NY): Installation of 11,000 pound capacity Cargo Sling. Carson Helicopters Inc
- [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 SR04160NY](https://openairdocs.org/stc/SR04160NY): Installation of Comm/Nav/Surveillance. Carson Helicopters, Inc
- [STC SR04159NY](https://openairdocs.org/stc/SR04159NY): Installation of EFIS/EICAS. Carson Helicopters, Inc
- [STC SR02671LA](https://openairdocs.org/stc/SR02671LA): Installation of a shorter composite blade. Carson Helicopters, Inc
- [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

## 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
- [Croman SH-3H](https://openairdocs.org/model/croman-sh-3h): 5 registered aircraft, registry code 2490000

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