# NTSB ANC86LA121: Cessna U206, N9188M, Egegik, AK, August 4, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 4, 1986, 12:00 local (20:00 UTC)
- Place: Egegik, AK
- Coordinates: 58.199253, -157.409072 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.1993&lon=-157.4091&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4710
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA121
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4710/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA121

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - terrain condition - soft (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - intentional, pilot in command (cause)
  - terrain condition - loose gravel/sandy (contributing factor)
  - aircraft handling - not maintained, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
- Nose over, landing - roll

## Analysis

THE PILOT STATED THAT DURING THE LANDING ROLLOUT ON THE GRAVEL BAR HE LOST CONTROL OF THE AIRCRAFT CAUSING THE PLANE TO NOSE OVER ON ITS BACK.

## Aircraft

- Registration: [N9188M](https://openairdocs.org/aircraft/N9188M), registered now, S/N U20601588, built 1970 (OpenAirDocs)
- Reported make and model: CESSNA U206
- Registry model: [Cessna U206E](https://openairdocs.org/model/cessna-u206e) (registry code 2073350) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 20601588
- Airframe hours: 2217
- Engines: CONTINENTAL IO-520 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Russell Mcnut
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 29, 1986, 13 hours before
- Departed: AKN, KING SALMON, AK

## Weather

- Conditions: Visual (VMC), Day
- Wind: 150° at 10 knots, gusting 15
- Visibility: 15 statute miles
- Lowest ceiling: 3,000 ft broken
- Temperature: 52 °F, dew point 46 °F
- Altimeter: 29.00 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 19860804037759A](https://openairdocs.org/incident/19860804037759A), Aug 4, 1986: Cessna U206E, Egegik, AK, Substantial damage. Aircraft flipped over during landing on a beach. Wheels encountered soft sand.

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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