# Accident 19910406058799A: Cessna 150D, San Ygnacio, TX, April 6, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 6, 1991, 10:55 local time
- Place: San Ygnacio, TX
- Damage: Destroyed
- Phase of flight: Unauth Low Level Opns
- Operating rules: General operating rules (Part 91)
- Location: 27.1298° N, 99.3307° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=27.1298&lon=-99.3307&mi=10
- Aircraft: N4437U, a cancelled registration (https://openairdocs.org/deregistered/N4437U-2013-09-16) (OpenAirDocs)
- Registry model: Cessna 150D (registry code 2071810, https://openairdocs.org/model/cessna-150d) (OpenAirDocs)
- Registry engine: Continental 0-200 series (registry code 17020, https://openairdocs.org/engine/continental-0-200-series) (OpenAirDocs)
- Reported make and model: CESSNA 150D
- Reported engine: CONT O200A
- Fatal injuries: 0
- Pilot flight hours: 384 total
- NTSB investigation: [NTSB FTW91LA061](https://openairdocs.org/ntsb/FTW91LA061) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910406058799A

## Narrative

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

MADE LOW PASS OVER FIELD TO SIMULATE AERIAL SPRAY RUN. ENGINE QUIT. CRASHED. CARB HEAT JAMMED IN OFF POSITION.

## 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 FTW91LA061](https://openairdocs.org/ntsb/FTW91LA061), Apr 6, 1991: Cessna 150D (N4437U), San Ygnacio, TX, destroyed. Probable cause: POWER LOSS DUE TO CARBURETOR ICE AND A MALFUNCTIONING CARBURETOR HEAT CONTROL AND THE PILOT'S LOSS OF CONTROL OF THE AIRPLANE.

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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