# Accident 19900310003789A: Gulstm AA1, Borrego Springs, CA, March 10, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 10, 1990, 15:16 local time
- Place: Borrego Springs, CA
- Airport: Borrego Valley Airport
- Damage: Substantial damage
- Phase of flight: Unauth Low Level Opns
- Operating rules: General operating rules (Part 91)
- Location: 33.1700° N, 116.2700° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.1700&lon=-116.2700&mi=10
- Aircraft: N5655L, a cancelled registration (https://openairdocs.org/deregistered/N5655L-1993-07-29) (OpenAirDocs)
- Registry model: American AA-1 (registry code 0630610, https://openairdocs.org/model/american-aa-1) (OpenAirDocs)
- Reported make and model: GULSTM AA1
- Reported engine: LYC O235C2C
- Fatal injuries: 0
- Pilot flight hours: 1,201 total, 100 in this make and model, 55 in the last 90 days
- NTSB investigation: [NTSB LAX90FA111](https://openairdocs.org/ntsb/LAX90FA111) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900310003789A

## Narrative

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

PROCEEDED TOWARD MOUNTAIN RIDGE UNABLE CLEAR RIDGE DUE GROSS WEIGHT AND DOWNDRAFTS. ENGINE WAS IN POOR CONDITION.

## 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 LAX90FA111](https://openairdocs.org/ntsb/LAX90FA111), Mar 10, 1990: American AA-1 (N5655L), Borego Springs, CA, destroyed. Probable cause: IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT, AND HIS FAILURE TO MAINTAIN SUFFICIENT AIRSPEED AND ALTITUDE, WHICH RESULTED IN A STALL/MUSH INTO RISING MOUNTAINOUS TERRAIN. FACTORS RELATED TO THE…

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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