# N640NA: Douglas DC-6A, registration cancelled 1970-06-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 29, 1970
- Status when cancelled: Valid registration
- Airframe: [Douglas DC-6A](https://openairdocs.org/model/douglas-dc-6a) (registry code 3021706)
- Data sheets: [TCDS 6A3](https://openairdocs.org/tcds/6A3) (OpenAirDocs)
- Serial number: 45475
- Type of aircraft: Fixed wing multi engine
- Certificate issued: December 3, 1965
- Mode S code: A86668
- Owner when cancelled: [Saturn Airways Inc](https://openairdocs.org/faa-owner/SATURN%20AIRWAYS%20INC)
- Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N640NA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=640NA
- Page: https://openairdocs.org/deregistered/N640NA-1970-06-29

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 Douglas DC-6A: https://openairdocs.org/model/douglas-dc-6a.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 FTW67A0078](https://openairdocs.org/ntsb/FTW67A0078), Jan 31, 1967: Douglas DC-6A (N640NA), San Antonio, TX, destroyed, 3 fatal

## Other aircraft with N640NA

- [Registered now](https://openairdocs.org/aircraft/N640NA): Zipline International P2 ZIP, S/N 18735P2952

---
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.