# NTSB ANC86LA003: Cessna 207A, N9570M, Nelson Island, AK, October 14, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: October 14, 1985, 14:50 local (22:50 UTC)
- Place: Nelson Island, AK
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4619
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA003
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4619/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA003

## 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 - downdraft (cause)
  - preflight planning/preparation - improper, pilot in command (cause)
  - improper use of procedure, pilot in command (cause)
  - weather condition - fog (cause)
  - in-flight planning/decision - improper, pilot in command (cause)
  - psychological condition, pilot in command (contributing factor)
  - weather condition - gusts (cause)
  - flight into known adverse weather - intentional, pilot in command (cause)
  - pressure, pilot in command (contributing factor)
  - weather condition - high wind (cause)
  - aircraft handling - not maintained, pilot in command (cause)
  - company-induced pressure, pilot in command (contributing factor)
- In flight collision with terrain/water, maneuvering

## Analysis

THE PILOT STATED THAT HE LOST 90 PERCENT OF AIRCRAFT CONTROL AND AN ALARMING RATE OF LOST OF ALTITUDE.  AT THE TIME OF THE ACCIDENT THE WIND WAS REPORTED AS 140 DEGREES AT 30 KNOTS WITH GUST 40 KNOTS.  CHIEF PILOT STATED CROSSING THE ISLAND AT A HIGHER ALTITUDE WOULD HAVE HELPED THE PILOT IN CONTROLLING THE AIRCRAFT.

## Aircraft

- Registration: [N9570M](https://openairdocs.org/deregistered/N9570M-1986-06-13), registration cancelled 1986-06-13, S/N 20700704, built 1981 (OpenAirDocs)
- Reported make and model: CESSNA 207A
- Registry model: [Cessna 207A](https://openairdocs.org/model/cessna-207a) (registry code 2073605) (OpenAirDocs)
- Registry engine: [Continental IO-520-F](https://openairdocs.org/engine/continental-io-520-f) (registry code 17237, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 20700704
- Airframe hours: 2871
- Engines: CONTINENTAL IO 520-F 306 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Michael Hageland
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, June 1, 1985, 54 hours before
- Departed: MOU, MT VILLIAGE, AK
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; airline transport; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 8,660 total, 2,600 in this make and model, 7,560 as pilot in command, 157 in the last 90 days, 100 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 140° at 30 knots, gusting 40
- Visibility: 2 statute miles
- Lowest ceiling: 2,500 ft overcast
- Temperature: 36 °F, dew point 30 °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 19851014056269A](https://openairdocs.org/incident/19851014056269A), Oct 14, 1985: Cessna 207A, Nelson Island, AK, Destroyed. Impacted ground belly first on bluff after loosing control in turbulence.

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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