# N9673L: 1973 Grumman American Avn. AA-1B, registration cancelled 2009-09-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 29, 2009
- Status when cancelled: Registration revoked
- Airframe: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103)
- 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: AA1B-0173
- Year built: 1973
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard
- Certificate issued: July 3, 1973
- Last registry action: April 23, 1977
- Mode S code: AD78F3
- Owner when cancelled: [Hortman Aviation Inc](https://openairdocs.org/faa-owner/HORTMAN%20AVIATION%20INC)
- Location: [Bristol, PA](https://openairdocs.org/faa-place/PA/Bristol)
- Owner type: Corporation
- Owner's area on the map: 40.1139° N, 74.8573° W: Placed by OpenAirDocs at the center of ZIP code 19007, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9673L
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9673L
- Page: https://openairdocs.org/deregistered/N9673L-2009-09-29

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-1B: https://openairdocs.org/model/grumman-american-avn-aa-1b.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 NYC77FFJ26](https://openairdocs.org/ntsb/NYC77FFJ26), Jun 2, 1977: Grumman AA1B (N9673L), Sparta, NY, destroyed

## 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 19770602021869A](https://openairdocs.org/incident/19770602021869A), Jun 2, 1977: Grumav AA1B (N9673L), Sparta, NY, Substantial damage. Hit hill 1726FT MSL.

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