# Accident 19890405042679A: Bell 206B, Park City, UT, April 5, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 5, 1989, 10:20 local time
- Place: Park City, UT
- Damage: Substantial damage
- Phase of flight: To Vertical (Helicopter Only)
- Operating rules: Air taxi and commuter (Part 135)
- Operator: KBTA
- Location: 40.6400° N, 111.4891° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=40.6400&lon=-111.4891&mi=10
- Aircraft: N16733, a cancelled registration (https://openairdocs.org/deregistered/N16733-2013-06-18) (OpenAirDocs)
- Registry model: Bell 206B (registry code 1181511, https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Registry engine: Allison 250 SER 400HP (registry code 03013, https://openairdocs.org/engine/allison-250-ser-400hp) (OpenAirDocs)
- Reported make and model: BELL 206B
- Reported engine: ALLSN 250C20B
- People aboard: 5
- Fatal injuries: 0
- Pilot flight hours: 7,400 total, 2,790 in this make and model, 130 in the last 90 days
- NTSB investigation: [NTSB DEN89FA101](https://openairdocs.org/ntsb/DEN89FA101) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890405042679A

## Narrative

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

ENCOUNTERED UNCONTROLLABLE DOWNDRAFT ON TAKEOFF OVER MOUNTAIN DOWNSLOPED DURING TRANSLATIONAL LIFT.SETTLED IN TREES

## 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 DEN89FA101](https://openairdocs.org/ntsb/DEN89FA101), Apr 5, 1989: Bell 206B-III (N16733), Park City, UT, substantial damage. Probable cause: AN ENCOUNTER WITH STRONG DOWN-SLOPE WINDS AND GUSTS DURING A CRITIACAL PHASE OF FLIGHT WHICH CAUSED POWER REQUIRED TO EXCEED POWER AVAILABLE. CONTRIBUTING FACTORS TO THE ACCIDENT WAS THE DOWNHILL…

## Other reports on N16733 (2)

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

- [Accident 19890108001319A](https://openairdocs.org/incident/19890108001319A), Jan 8, 1989: Bell 206B (N16733), Park City, UT, Substantial damage. Landed on upslope snow. Slid backwards on skids,tail rotor hit snow,picked up settled into snow, broke drive shaft.
- [Accident 19780818030239A](https://openairdocs.org/incident/19780818030239A), Aug 18, 1978: Bell 206B (N16733), Holtville, CA, Substantial damage. Foreign matter on pg orifice & pt lever face.

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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