# N9561U: 1977 Grumman American Avn. AA-1C, 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-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: AA1C0034
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard
- Certificate issued: August 2, 1977
- Last registry action: August 10, 1977
- Mode S code: AD4D7F
- Owner when cancelled: [Northfield Aviation Services Co Inc](https://openairdocs.org/faa-owner/NORTHFIELD%20AVIATION%20SERVICES%20CO%20INC)
- Location: [Shirley, NY](https://openairdocs.org/faa-place/NY/Shirley)
- Owner type: Corporation
- Owner's area on the map: 40.8017° N, 72.8760° W: Placed by OpenAirDocs at the center of ZIP code 11967, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9561U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9561U
- Page: https://openairdocs.org/deregistered/N9561U-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-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 NYC79FHJ20](https://openairdocs.org/ntsb/NYC79FHJ20), Jul 4, 1979: Grum Amer AA1-C (N9561U), Shirley, NY, 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 19790704016709A](https://openairdocs.org/incident/19790704016709A), Jul 4, 1979: Gulstm AA1C (N9561U), Brookhaven, NY, Substantial damage. Instructor and student practicing touch and go landings ran off side of runway and struck parked glider.

## Other aircraft with N9561U

- [Registered now](https://openairdocs.org/aircraft/N9561U): Uvify 810-00028, S/N 213682IFOD01060000632

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