# Accident 19870926057429A: Gulstm AA5A, Irwin, PA, September 26, 1987

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 26, 1987, 16:00 local time
- Place: Irwin, PA
- Airport: Inter County Airport
- Damage: Substantial damage
- Phase of flight: Ground Taxi, Other Airplane
- Operating rules: General operating rules (Part 91)
- Location: 40.3196° N, 79.6903° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=40.3196&lon=-79.6903&mi=10
- Aircraft: N9772U, a cancelled registration (https://openairdocs.org/deregistered/N9772U-2012-09-12) (OpenAirDocs)
- Registry model: Grumman American Avn. AA-5A (registry code 3960106, https://openairdocs.org/model/grumman-american-avn-aa-5a) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: GULSTM AA5A
- Reported engine: LYC O320E2G
- People aboard: 1
- Fatal injuries: 0
- NTSB investigation: [NTSB NYC87LA267](https://openairdocs.org/ntsb/NYC87LA267) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19870926057429A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

WHILE TAXIING STRUCK A TREE STUMP. FAILED TO CLOSE THROTTLE, ROLLED OFF END OF RUNWAY INTO DITCH.

## The NTSB's investigation of this event (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 NYC87LA267](https://openairdocs.org/ntsb/NYC87LA267), Sep 26, 1987: Grumman AA-5A (N9772U), Irwin, PA, substantial damage

## Other reports on N9772U (2)

Matched to the same aircraft by N-number and date.

- [Incident 19780920018909I](https://openairdocs.org/incident/19780920018909I), Sep 20, 1978: Gulstm AA5A (N9772U), Belle Vernon, PA, Substantial damage. Pilot touched down hard stopped on taxiway and found prop tips bent, nose gear assembly bent, cowl cracked.
- [Incident 19780309015629I](https://openairdocs.org/incident/19780309015629I), Mar 9, 1978: Gulstm AA5A (N9772U), Rostraver, PA, Minor damage. Pilot turned from runway to snow-covered taxiway. Lost directional control and ended in snowbank.

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. For accidents, the NTSB's own investigation is the fuller record.

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