# N77DG: Douglas DC-6B, registration cancelled 1975-12-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 12, 1975
- Status when cancelled: Valid registration
- Airframe: [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b) (registry code 3021712)
- Data sheets: [TCDS 6A4](https://openairdocs.org/tcds/6A4) (OpenAirDocs)
- Serial number: 222-43520
- Type of aircraft: Fixed wing multi engine
- Mode S code: AA6700
- Owner when cancelled: [Pacific Alaska Airlines](https://openairdocs.org/faa-owner/PACIFIC%20ALASKA%20AIRLINES)
- Location: [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N77DG
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=77DG
- Page: https://openairdocs.org/deregistered/N77DG-1975-12-12

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 Douglas DC-6B: https://openairdocs.org/model/douglas-dc-6b.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 ANC75AA054](https://openairdocs.org/ntsb/ANC75AA054), Feb 16, 1975: Douglas DC-6B (N77DG), Fairbanks, AK, substantial damage, 2 fatal

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.