# NTSB ANC91LA030: Bell 206-B, N59568, Kodiak, AK, February 16, 1991

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: February 16, 1991, 12:45 local (16:45 UTC)
- Place: Kodiak, AK
- Coordinates: 57.789886, -152.399139 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=57.7899&lon=-152.3991&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report March 31, 1993
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5521
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC91LA030
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5521/pdf
- Page: https://openairdocs.org/ntsb/ANC91LA030

## Probable cause

A LOSS OF CONTROL AND COLLISION WITH TERRAIN AFTER THE HELICOPTER ENTERED A WHITEOUT CONDITION.

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - weather condition - whiteout (cause)
  - aircraft control - not maintained, pilot in command (cause)
- In flight collision with terrain/water, maneuvering

## Analysis

THE PILOT STATED THAT SHORTLY AFTER LIFTOFF THE HELICOPTER ENTERED A WHITEOUT CONDITION.  THE PILOT LOST CONTROL AND THE HELICOPTER CRASHED INTO THE MOUNTAIN RIDGE.

## Aircraft

- Registration: [N59568](https://openairdocs.org/deregistered/N59568-1991-10-10), registration cancelled 1991-10-10, S/N 1419 (OpenAirDocs)
- Reported make and model: BELL 206-B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Category: Helicopter
- Serial number: 1419
- Airframe hours: 6661
- Engines: ALLISON C-20 375 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Part 135
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, February 4, 1991, 10 hours before
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; commercial; airplane ratings: single-engine land; instrument ratings: helicopter; medical: class 2, valid medical--no waivers/lim.; flight hours: 8,224 total, 4,962 in this make and model, 7,013 as pilot in command, 38 in the last 90 days, 12 in the last 30 days, 15 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 270° at 5 knots
- Visibility: 1 statute miles
- Lowest ceiling: none
- Temperature: 28 °F, dew point 27 °F
- Altimeter: 30.00 inHg

## 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 19910216002519A](https://openairdocs.org/incident/19910216002519A), Feb 16, 1991: Bell 206B, Kodiak, AK, Substantial damage. Lifted off mountain. Encountered whiteout conditions. Lost control and crashed.

## Other investigations on N59568 (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 ANC76AA115](https://openairdocs.org/ntsb/ANC76AA115), Jul 29, 1976: Bell 206B (N59568), Colville River, AK, substantial damage

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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