# Accident 19910910038949A: Bell STC47, Chula Vista, CA, September 10, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 10, 1991, 16:45 local time
- Place: Chula Vista, CA
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: General operating rules (Part 91)
- Location: 33.1504° N, 117.2796° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.1504&lon=-117.2796&mi=10
- Aircraft: N2618D, a cancelled registration (https://openairdocs.org/deregistered/N2618D-1994-03-10) (OpenAirDocs)
- Registry model: Bell 47G-3B-2 (registry code 1181029, https://openairdocs.org/model/bell-47g-3b-2) (OpenAirDocs)
- Reported make and model: BELL STC47
- Reported engine: ALLSN 250C20
- Fatal injuries: 0
- Pilot flight hours: 2,514 total, 100 in this make and model, 17 in the last 90 days
- NTSB investigation: [NTSB LAX91LA390](https://openairdocs.org/ntsb/LAX91LA390) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910910038949A

## Narrative

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

ON TEST FOR ENGINE TURBINE CONVERSION. ENGINE FAILED RESPOND AUTOROTATION POWER RECOVERY. FUEL CONTROL ADJUSTMENTS.

## 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 LAX91LA390](https://openairdocs.org/ntsb/LAX91LA390), Sep 10, 1991: Bell 47G-3B-2 (N2618D), Chula Vista, CA, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN THE PROPER AIRSPEED AND MISJUDGING THE LANDING FLARE ALTITUDE. THE POWERPLANT FAILURE FOR AN UNDETERMINED REASON AND THE UNSUITABLE TERRAIN FOR THE FLOAT EQUIPPED…

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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