Aircraft record

N540N1974 Dehavilland DHC-6 TWIN OTTER

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Aug 4, 2011.

Safety record in brief:1 NTSB accident (substantial damage, Mar 1985)No ADs since 1998 matched

Registration: Deregistered
Last based in: Anchorage, AK; owner city / state
Engine: PT6A-27-28 · 680 hp; U/A Canada
Owners: 1; since 1974
NTSB events: 1; substantial, 1985
ADs may apply: 0; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Last registered owner: Seair Alaska Airlines INC
Owner type: Corporation
City, state: Anchorage, AK
Certificate issued: Apr 9, 1974
Canceled: Aug 4, 2011
Airworthiness: Standard · Normal
Airworthiness date: Mar 29, 1974

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer: Dehavilland
Model: DHC-6 TWIN OTTER
Year: 1974
Serial number: 401
Aircraft type: Fixed wing multi engine
Category: Land
Certification: Type Certificated
Seats: 16
Engines: 2
Max takeoff weight: Up to 12,499 lb
Mode S code: A6D918

Engine

Make and model: U/A Canada Pt6a-27-28
Type: Turbo-prop
Power: 680 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

1974 – 2011Seair Alaska Airlines INCAnchorage, AK
1948 – 1950Individual ownerdifferent airframe: Curtiss Wright Robin J-1 S/N 749

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Mar 12, 1985 · Barter Island, AK

ACFT CRASHED DURING MISSED APCH TO TEMPORARY WINTER LANDING STRIP. ACFT HIT IN STEEP NOSE DOWN ATTITUDE. MARGINAL WX CONDITIONS PREVAILED, WITH ICING REPORTED.

Damage: Substantial
Injuries: Serious
Report: ANC85FA054

From NTSB records; matched by N-number.Read NTSB report (search CAROL for ANC85FA054)

Accident history for this model

ADs published since 1998 that may apply (0)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

No ADs published since 1998 matched this airframe or engine model.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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