# N931MA: Dehavilland DHC-6 TWIN OTTER, registration cancelled 1993-06-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 22, 1993
- Exported to: Costa Rica
- Status when cancelled: Valid registration
- Airframe: [Dehavilland DHC-6 TWIN OTTER](https://openairdocs.org/model/dehavilland-dhc-6-twin-otter) (registry code 2802606)
- Serial number: 169
- Type of aircraft: Fixed wing multi engine
- Certificate issued: February 19, 1993
- Last registry action: February 19, 1993
- Mode S code: ACEA74
- Owner when cancelled: [Costa Nica Inc](https://openairdocs.org/faa-owner/COSTA%20NICA%20INC)
- Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- Owner type: Corporation
- Owner's area on the map: 25.8166° N, 80.3105° W: Placed by OpenAirDocs at the center of ZIP code 33166, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N931MA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=931MA
- Page: https://openairdocs.org/deregistered/N931MA-1993-06-22

From the FAA registry file of November 4, 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 Dehavilland DHC-6 TWIN OTTER: https://openairdocs.org/model/dehavilland-dhc-6-twin-otter.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 LAX87FA290](https://openairdocs.org/ntsb/LAX87FA290), Aug 4, 1987: de Havilland DHC-6 (N931MA), Palmdale, CA, substantial damage

## 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 19870804045101A](https://openairdocs.org/incident/19870804045101A), Aug 4, 1987: Dhav DHC6* (N931MA), Palmdale, CA, Substantial damage. During descent overtook and struck,N737EV, that was level on converting course. Landed safe. ATC not aware.

## Other aircraft with N931MA

- [Registered now](https://openairdocs.org/aircraft/N931MA): Piper PA-46-701TP, S/N 46020120, built 2026
- [Cancelled 2019-05-04](https://openairdocs.org/deregistered/N931MA-2019-05-04): Mitsubishi MU-300, S/N A010 S.A., built 1980. Sale reported, canceled. Owner: [Chandler, AZ](https://openairdocs.org/faa-place/AZ/Chandler)

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