# NTSB DEN83LA043: Bell 206B, N2750D, 11mi. So.Oftell, CO, December 31, 1982

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: December 31, 1982, 00:13 local (07:13 UTC)
- Place: 11mi. So.Oftell, CO
- Coordinates: 37.939086, -107.900444 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.9391&lon=-107.9004&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 4 uninjured
- Status: Completed, report December 31, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 69617
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83LA043
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/69617/pdf
- Page: https://openairdocs.org/ntsb/DEN83LA043

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Miscellaneous/other, landing - flare/touchdown
  - terrain condition - high terrain (contributing factor)
  - visual lookout - not possible, pilot in command (cause)
  - visual/aural detection, pilot in command (cause)
- In flight collision with terrain/water, landing - flare/touchdown
  - judgment - improper, pilot in command (cause)

## Analysis

PILOT TRIED TO LAND AT 12,500 FOOT LEVEL. IN THE ROTORWASH WHITEOUT HE LOST VISUAL CUES AND ROTOR STRUCK THE SLOPE BECAUSE THE RIGHT LANDING GEAR MADE SNOW CONTACT.

## Aircraft

- Registration: N2750D (not matched to a registry record)
- Reported make and model: BELL 206B
- Category: Helicopter
- Serial number: 2672
- Airframe hours: 4527
- Engines: ALLISON C-250-C20B 317 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Part 135
- Operator: North American Helicopter Svc.
- Registered owner: North American Helicopter Svc.
- Departed: C, CASCADE VILLAGE, CO
- Destination: C, CASCADE VILLAGE, CO

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; commercial; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 3,740 total, 2,315 in this make and model, 34 as pilot in command, 17 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 225° at 4 knots
- Visibility: 1 statute miles
- Temperature: 57 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19821231065499A](https://openairdocs.org/incident/19821231065499A), Dec 31, 1982: Bell 206B, Telluride, CO, Substantial damage. Caught a skid in the snow while air taxiing sideways in an attempted landing. Helicopter rolled over. Whiteout factor

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.

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