# N9978U: 1978 Grumman American Avn. AA-1C, registration cancelled 2014-12-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 1, 2014
- Status when cancelled: Registration expired, pending cancellation
- 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: AA1C0172
- Year built: 1978
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard, utility
- Airworthiness date: May 31, 1978
- Certificate issued: January 2, 1985
- Last registry action: February 5, 1988
- Mode S code: ADF027
- Owner when cancelled: [Tobacco Robert](https://openairdocs.org/faa-owner/TOBACCO%20ROBERT)
- Location: [Morganville, NJ](https://openairdocs.org/faa-place/NJ/Morganville)
- Owner type: Individual
- Owner's area on the map: 40.3593° N, 74.2613° W: Placed by OpenAirDocs at the center of ZIP code 07751, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9978U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9978U
- Page: https://openairdocs.org/deregistered/N9978U-2014-12-01

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 NYC83LA194](https://openairdocs.org/ntsb/NYC83LA194), Jul 27, 1983: Grumman AA-1C (N9978U), Doylestown, PA, 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 19830727039619A](https://openairdocs.org/incident/19830727039619A), Jul 27, 1983: Gulstm AA1C (N9978U), Doylestown, PA, Substantial damage. Crash occurred during emergency landing after engine lost power after takeoff.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.