# N4SU: 1974 Grumman American Avn. AA-1B, registration cancelled 2019-05-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 6, 2019
- Status when cancelled: Registration expired, pending cancellation
- 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-0346
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard
- Certificate issued: January 4, 2016
- Last registry action: January 4, 2016
- Mode S code: A4A992
- Owner when cancelled: [Rappoport Aron S](https://openairdocs.org/faa-owner/RAPPOPORT%20ARON%20S)
- Location: [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)
- Owner type: Individual
- Owner's area on the map: 34.0564° N, 118.4137° W: Placed by OpenAirDocs at the center of ZIP code 90067, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4SU
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4SU
- Page: https://openairdocs.org/deregistered/N4SU-2019-05-06

From the FAA registry file of November 4, 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 (2)

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 WPR16FA124](https://openairdocs.org/ntsb/WPR16FA124), Jun 11, 2016: Grumman American Avn. AA 1B (N4SU), Hawthorne, CA, destroyed, 2 fatal. Probable cause: The failure of both pilots to land the airplane on the remaining runway when a sufficient rate of climb could not be attained. Contributing to the accident was a reduction of available engine power…
- [NTSB MKC75FTG05](https://openairdocs.org/ntsb/MKC75FTG05), Jul 21, 1974: Amer Avco AA1-B (N4SU), Fargo, ND, substantial damage

## FAA accident and incident reports (3)

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 20160610010259A](https://openairdocs.org/incident/20160610010259A), Jun 10, 2016: Grumman American Avn. Corp. AA-1B (N4SU), Hawthorne, CA, Destroyed, 2 fatal. On June 10, 2016, at 1710 PST a Grumman American aviation corporation AA-1B, N4SU, was destroyed when it impacted a residence after takeoff from Jack northrup…
- [Incident 19800405047779I](https://openairdocs.org/incident/19800405047779I), Apr 5, 1980: Grumav TR2 (N4SU), Banning, CA, Minor damage. Propeller blade separated. Aircraft landed in field.
- [Accident 19740721026749A](https://openairdocs.org/incident/19740721026749A), Jul 21, 1974: Grumav AA1B (N4SU), Fargo, ND, Substantial damage. L fuel cell empty. R fuel cell four gal of fuel. Selector switched fm l to r after pwr loss.

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