# N999Q: Ryan NAVION A, registration cancelled 1971-12-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 14, 1971
- Status when cancelled: Valid registration
- Airframe: [Ryan NAVION A](https://openairdocs.org/model/ryan-navion-a) (registry code 6150162)
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782) (OpenAirDocs)
- Serial number: NAV-4-1722
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 16, 1959
- Mode S code: ADF570
- Owner when cancelled: [US Air Force](https://openairdocs.org/faa-owner/US%20AIR%20FORCE)
- Location: [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- Owner type: Government
- The mark today: https://openairdocs.org/aircraft/N999Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=999Q
- Page: https://openairdocs.org/deregistered/N999Q-1971-12-14

From the FAA registry file of November 5, 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 Ryan NAVION A: https://openairdocs.org/model/ryan-navion-a.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 NYC67F0385](https://openairdocs.org/ntsb/NYC67F0385), Nov 13, 1966: Navion A (N999Q), Denville, NJ, substantial damage

## Other aircraft with N999Q

- [Cancelled 2012-08-07](https://openairdocs.org/deregistered/N999Q-2012-08-07): Aero Commander 685, S/N 12000, built 1970. Registration pending, canceled. Owner: [Baithersburg, MD](https://openairdocs.org/faa-place/MD/Baithersburg)

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