# N9944U: 1977 Grumman American Avn. AA-5A, registration cancelled 2008-07-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 8, 2008
- Status when cancelled: Triennial form not returned
- 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: AA5A0344
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: March 21, 1977
- Certificate issued: February 20, 1990
- Last registry action: May 20, 2008
- Mode S code: ADE476
- Owners when cancelled: [Thatcher Michael F](https://openairdocs.org/faa-owner/THATCHER%20MICHAEL%20F), [Roberts Jonathan K](https://openairdocs.org/faa-owner/ROBERTS%20JONATHAN%20K)
- Location: [Calimesa, CA](https://openairdocs.org/faa-place/CA/Calimesa)
- Owner type: Co-owned
- Owner's area on the map: 33.9874° N, 117.0503° W: Placed by OpenAirDocs at the center of ZIP code 92320, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9944U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9944U
- Page: https://openairdocs.org/deregistered/N9944U-2008-07-08

From the FAA registry file of October 29, 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 LAX97LA079](https://openairdocs.org/ntsb/LAX97LA079), Dec 29, 1996: Grumman American AA-5A (N9944U), Banning, CA, substantial damage. Probable cause: The pilot's intentional low flight in an area of foothills and canyons at an altitude insufficient to maintain clearance from obstacles.

## 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 19961229040739A](https://openairdocs.org/incident/19961229040739A), Dec 29, 1996: Gulstm AA5A (N9944U), Banning, CA, Substantial damage. Engine sputtered en route. Struck power line changing fuel tanks. Observed low in canyon. Fuel tanks leaking fuel.

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