# N146RM: Aerospatiale SA316B ALOUETTE III, registration cancelled 1997-10-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 27, 1997
- Status when cancelled: Triennial form not returned
- Airframe: [Aerospatiale SA316B ALOUETTE III](https://openairdocs.org/model/aerospatiale-sa316b-alouette-iii) (registry code 8680515)
- Data sheets: [TCDS H1IN](https://openairdocs.org/tcds/H1IN) (OpenAirDocs)
- Serial number: 1614
- Type of aircraft: Rotorcraft
- Certificate issued: May 16, 1984
- Last registry action: February 19, 1997
- Mode S code: A0BA7D
- Owner when cancelled: [Rocky Mountain Helicopters Inc](https://openairdocs.org/faa-owner/ROCKY%20MOUNTAIN%20HELICOPTERS%20INC)
- Location: [Provo, UT](https://openairdocs.org/faa-place/UT/Provo)
- Owner type: Corporation
- Owner's area on the map: 40.2338° N, 111.6585° W: Placed by OpenAirDocs: center of Provo, UT, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N146RM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=146RM
- Page: https://openairdocs.org/deregistered/N146RM-1997-10-27

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Aerospatiale SA316B ALOUETTE III: https://openairdocs.org/model/aerospatiale-sa316b-alouette-iii.md

## NTSB investigations (1)

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 LAX92FA054](https://openairdocs.org/ntsb/LAX92FA054), Nov 28, 1991: Aerospatiale SA 316B (N146RM), Bridgeport, CA, destroyed, 4 fatal. Probable cause: FAILURE OF THE HELICOPTER'S TAIL ROTOR DRIVE SHAFT AND DRIVE SHAFT BEARING DUE TO UNDETERMINED REASON(S).

## FAA accident and incident reports (1)

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.

- [Accident 19911127053719A](https://openairdocs.org/incident/19911127053719A), Nov 27, 1991: Aerosp SA316B (N146RM), Bridgeport, CA, Destroyed, 4 fatal. En route tail rotor drive shaft broke in two places. Main rotors chopped tail in spin prior to inverted crash.

## Other aircraft with N146RM

- [Registered now](https://openairdocs.org/aircraft/N146RM): Mullins Richard G TRIKE1, S/N 001, built 2005

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