# N1638R: Grumman American Avn. AA-1B, registration cancelled 1993-06-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 9, 1993
- Status when cancelled: Valid registration
- Airframe: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103)
- Data sheets: [TCDS A11EA](https://openairdocs.org/tcds/A11EA) (OpenAirDocs)
- Serial number: AA1B0638
- Type of aircraft: Fixed wing single engine
- Certificate issued: December 21, 1990
- Last registry action: December 24, 1990
- Mode S code: A10053
- Owner when cancelled: [Guffy Jerry D](https://openairdocs.org/faa-owner/GUFFY%20JERRY%20D)
- Location: [Glasgow, KY](https://openairdocs.org/faa-place/KY/Glasgow)
- Owner type: Individual
- Owner's area on the map: 36.9395° N, 85.9034° W: Placed by OpenAirDocs at the center of ZIP code 42141, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1638R
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1638R
- Page: https://openairdocs.org/deregistered/N1638R-1993-06-09

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-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 DEN91LA025](https://openairdocs.org/ntsb/DEN91LA025), Dec 15, 1990: Grumman AA1B (N1638R), Roswell, NM, substantial damage. Probable cause: LOW CYLINDER COMPRESSION AND FOULED SPARK PLUG.

## 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 19901215054339A](https://openairdocs.org/incident/19901215054339A), Dec 15, 1990: Gulstm AA1B (N1638R), Roswell, NM, Substantial damage. Engine lost power on climbout. Landed short of runway trying to return. Low compression and fouled sparkplugs.

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