# N278K: 1929 Boeing 40-B-4, registration cancelled 1937-01-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 1, 1937
- Status when cancelled: Valid registration
- Airframe: [Boeing 40-B-4](https://openairdocs.org/model/boeing-40-b-4) (registry code 1380101)
- Serial number: 1146
- Year built: 1929
- Type of aircraft: Fixed wing single engine
- Certificate issued: April 12, 1935
- Mode S code: A2C515
- Owner when cancelled: [Hanfords Tri-State Airlines Inc](https://openairdocs.org/faa-owner/HANFORDS%20TRI-STATE%20AIRLINES%20INC)
- Location: [Siouxcity, IA](https://openairdocs.org/faa-place/IA/Siouxcity)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N278K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=278K
- Page: https://openairdocs.org/deregistered/N278K-1937-01-01

From the FAA registry file of November 3, 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 Boeing 40-B-4: https://openairdocs.org/model/boeing-40-b-4.md

## Other aircraft with N278K

- [Registered now](https://openairdocs.org/aircraft/N278K): Cessna 525, S/N 525-0527, built 2003

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