# N9642U: 1975 Grumman American Avn. AA-5A, registration cancelled 2017-07-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 12, 2017
- Status when cancelled: Registration expired, pending cancellation
- 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: AA5A-0008
- Year built: 1975
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: August 27, 1975
- Certificate issued: September 7, 1995
- Last registry action: October 2, 1998
- Mode S code: AD6DB3
- Owners when cancelled: [Scott Sigman](https://openairdocs.org/faa-owner/SCOTT%20SIGMAN), [Simpson David](https://openairdocs.org/faa-owner/SIMPSON%20DAVID)
- Location: [Aulkana, AK](https://openairdocs.org/faa-place/AK/Aulkana)
- Owner type: Co-owned
- Owner's area on the map: 62.6910° N, 144.2373° W: Placed by OpenAirDocs at the center of ZIP code 99586, within about 24 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9642U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9642U
- Page: https://openairdocs.org/deregistered/N9642U-2017-07-12

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 FTW95FA380](https://openairdocs.org/ntsb/FTW95FA380), Sep 7, 1995: Grumman American AA-5A (N9642U), Midland, TX, destroyed, 2 fatal. Probable cause: the pilot's selection of a downwind runway for takeoff. Factors were the tailwind, the density altitude, and the overloading of the airplane.

## 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 19950907033059A](https://openairdocs.org/incident/19950907033059A), Sep 7, 1995: Gulstm AA5A (N9642U), Midland, TX, Destroyed, 2 fatal. New private pilot took off downwind used all runway. Pulled up steeply over houses. Stalled into same. Over gross.

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