# N9907U: 1977 Grumman American Avn. AA-5A, registration cancelled 2009-09-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 17, 2009
- Status when cancelled: Registration revoked
- Airframe: [Grumman American Avn. AA-5A](https://openairdocs.org/model/grumman-american-avn-aa-5a) (registry code 3960106)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS A16EA](https://openairdocs.org/tcds/A16EA), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: AA5A0307
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: March 11, 1977
- Last registry action: March 19, 1977
- Mode S code: ADD603
- Owner when cancelled: [Columbine Avn Inc](https://openairdocs.org/faa-owner/COLUMBINE%20AVN%20INC)
- Location: [Aurara, CO](https://openairdocs.org/faa-place/CO/Aurara)
- Owner type: Corporation
- Owner's area on the map: 39.7392° N, 104.8617° W: Placed by OpenAirDocs at the center of ZIP code 80010, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9907U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9907U
- Page: https://openairdocs.org/deregistered/N9907U-2009-09-17

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 Grumman American Avn. AA-5A: https://openairdocs.org/model/grumman-american-avn-aa-5a.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 DEN78FTE36](https://openairdocs.org/ntsb/DEN78FTE36), Mar 4, 1978: Grum-Amer AA-5A (N9907U), Aurora, CO, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19780304003909A](https://openairdocs.org/incident/19780304003909A), Mar 4, 1978: Grumav AA5A (N9907U), Aurora, CO, Substantial damage

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