# Accident 19911225057239A: Gulstm AA5A, Monte Vista, CO, December 25, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 25, 1991, 14:30 local time
- Place: Monte Vista, CO
- Airport: Monte Vista Municipal Airport
- Damage: Destroyed
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: General operating rules (Part 91)
- Location: 37.5700° N, 106.1393° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.5700&lon=-106.1393&mi=10
- Aircraft: N9991U, a cancelled registration (https://openairdocs.org/deregistered/N9991U-1992-04-21) (OpenAirDocs)
- Registry model: Grumman American Avn. AA-5A (registry code 3960106, https://openairdocs.org/model/grumman-american-avn-aa-5a) (OpenAirDocs)
- Reported make and model: GULSTM AA5A
- Reported engine: LYC O320E2G
- People aboard: 3
- Fatal injuries: 3
- Pilot flight hours: 83 total, 2 in this make and model, 2 in the last 90 days
- NTSB investigation: [NTSB DEN92FA020](https://openairdocs.org/ntsb/DEN92FA020) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19911225057239A

## Narrative

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

INDICATES STALL ON CLIMBOUT. OVER GROSS WEIGHT.PILOT HIGH LEVEL CARBON MONOXIDE.POSSIBLY FROM WORK AS AUTO MECHANIC

## 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 DEN92FA020](https://openairdocs.org/ntsb/DEN92FA020), Dec 25, 1991: Grumman American AA-5A (N9991U), Monte Vista, CO, destroyed, 3 fatal. Probable cause: AN INADVERTENT STALL BY THE PILOT IN COMMAND AT AN ALTITUDE INSUFFICIENT TO EFFECT RECOVERY. FACTORS WERE: AIRCRAFT GROSS WEIGHT ABOVE MAXIMUM; PHYSICAL IMPAIRMENT OF THE PILOT; LACK OF TOTAL…

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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