# N9923U: 1978 Grumman American Avn. AA-1C, registration cancelled 2018-06-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 4, 2018
- Status when cancelled: Sale reported, canceled
- Airframe: [Grumman American Avn. AA-1C](https://openairdocs.org/model/grumman-american-avn-aa-1c) (registry code 3960100)
- Engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505)
- Data sheets: [TCDS A11EA](https://openairdocs.org/tcds/A11EA), [TCDS E-223](https://openairdocs.org/tcds/E-223) (OpenAirDocs)
- Serial number: AA1C0157
- Year built: 1978
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard, utility
- Airworthiness date: March 30, 1978
- Last registry action: December 1, 2016
- Mode S code: ADDCE5
- Location: [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson)
- Owner type: Individual
- Owner's area on the map: 32.2462° N, 110.9488° W: Placed by OpenAirDocs at the center of ZIP code 85719, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9923U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9923U
- Page: https://openairdocs.org/deregistered/N9923U-2018-06-04

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 Grumman American Avn. AA-1C: https://openairdocs.org/model/grumman-american-avn-aa-1c.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 WPR13LA432](https://openairdocs.org/ntsb/WPR13LA432), Sep 9, 2013: Grumman American Avn. AA 1C (N9923U), Hemet, CA, substantial damage. Probable cause: The airplane’s hard landing due to the pilot’s failure to maintain sufficient airspeed while on approach after shutting down the engine because of the smoke in the cockpit from a burnt wire that…

## FAA accident and incident reports (2)

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 20130909022399A](https://openairdocs.org/incident/20130909022399A), Sep 9, 2013: Grumman American Avn. Corp. AA-1C (N9923U), Hemet, CA, Substantial damage. Upon entering downwind at Hemet airport, pilot experienced smoke in the cockpit. Pilot declared emergency, smoke in the cockpit, entered the base leg, and…
- [Incident 20070802020389I](https://openairdocs.org/incident/20070802020389I), Aug 2, 2007: Amrgen AA1C (N9923U), San Diego, CA, Minor damage. (-23) The pilot [privacy data omitted] was making his first solo landing, on his first solo flight. He made a hard landing, resulting in porpoising of the…

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