# N540N: 1974 Dehavilland DHC-6 TWIN OTTER, registration cancelled 2011-08-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 4, 2011
- Exported to: Canada
- Status when cancelled: Third renewal notice
- Airframe: [Dehavilland DHC-6 TWIN OTTER](https://openairdocs.org/model/dehavilland-dhc-6-twin-otter) (registry code 2802606)
- Engine: [U/A Canada PT6A-27-28](https://openairdocs.org/engine/u-a-canada-pt6a-27-28) (registry code 61504)
- Serial number: 401
- Year built: 1974
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: March 29, 1974
- Certificate issued: April 9, 1974
- Last registry action: October 6, 1990
- Mode S code: A6D918
- Owner when cancelled: [Seair Alaska Airlines Inc](https://openairdocs.org/faa-owner/SEAIR%20ALASKA%20AIRLINES%20INC)
- Location: [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage)
- Owner type: Corporation
- Owner's area on the map: 61.1637° N, 149.9966° W: Placed by OpenAirDocs at the center of ZIP code 99502, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N540N
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=540N
- Page: https://openairdocs.org/deregistered/N540N-2011-08-04

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 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 ANC85FA054](https://openairdocs.org/ntsb/ANC85FA054), Mar 12, 1985: de Havilland DHC-6-300 (N540N), Barter Island, AK, 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 19850312006599A](https://openairdocs.org/incident/19850312006599A), Mar 12, 1985: Dhav DHC6TWNOTTER (N540N), Barter Island, AK, Substantial damage. The plane hit the ground during a go around. Deicing equipment not used. Pilot was operating in IFR conditions.

## Other aircraft with N540N

- [Cancelled 1950-10-17](https://openairdocs.org/deregistered/N540N-1950-10-17): Curtiss Wright ROBIN J-1, S/N 749. Owner: [Powell Kenneth](https://openairdocs.org/faa-owner/POWELL%20KENNETH)

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