# NTSB ANC84LA118: Cessna 206, N3948G, Cold Foot, AK, July 19, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 19, 1984, 15:23 local (23:23 UTC)
- Place: Cold Foot, AK
- Location: 67.2564° N, 150.1842° W: Placed by OpenAirDocs: center of Coldfoot, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=67.2564&lon=-150.1842&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4325
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA118
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4325/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA118

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, takeoff - initial climb
  - fuel system - dirty(foggy) (cause)
  - fuel system - water (cause)
  - aircraft preflight - improper, pilot in command (cause)
  - maintenance,inspection - inadequate, company maintenance personnel (cause)
- Forced landing, descent - emergency
- Loss of control - on ground/water, landing - flare/touchdown
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - not corrected, pilot in command (cause)

## Analysis

THE ACFT WAS DAMAGED IN A FORCED LANDING ON A ROAD AFTER THE ENGINE QUIT. AFTER THE ACCIDENT THE ACFT FUEL SYSTEM WAS EXAMINED BY AN FAA INSPECTOR. THE FUEL/AIR SCREEN WAS FOUND TO BE CONTAMINATED WITH DIRT. THE INJECTOR SCREEN AND THE MAIN FUEL STRAINER WAS CONTAMINED WITH BOTH DIRT AND WATER. THE RT WING PUMP DRAIN HAD DIRT IN THE VALVE. BOTH FUEL RESERVOIRS WERE CONTAMINED WITH DIRT AND LARGE AMOUNTS OF WATER.

## Aircraft

- Registration: [N3948G](https://openairdocs.org/deregistered/N3948G-2012-09-21), registration cancelled 2012-09-21, S/N U206-0948, built 1967 (OpenAirDocs)
- Reported make and model: CESSNA 206
- Registry model: [Cessna U206C](https://openairdocs.org/model/cessna-u206c) (registry code 2073332) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: U206-0948
- Engines: CONTINENTAL IO-284-A 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Aurora Air Service
- Airworthiness certificate: Standard, Utility
- Departed: COLD FOOT, AK
- Destination: TOBIN CREEK, AK
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; airline transport, flight instructor, commercial; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: valid medical--no waivers/lim.; seat: left; flight hours: 10,300 total, 250 in this make and model, 10,200 as pilot in command, 207 in the last 90 days, 110 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 25 statute miles
- Lowest ceiling: 2,500 ft overcast
- Temperature: 50 °F, dew point 30 °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 19840719036549A](https://openairdocs.org/incident/19840719036549A), Jul 19, 1984: Cessna 206CESSNA, Cold Foot, AK, Substantial damage. Crash occurred during emergency landing after engine quit. Fuel screens were contaminated with dirt.

## Other investigations on N3948G (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 CHI74DEI27](https://openairdocs.org/ntsb/CHI74DEI27), Jan 19, 1974: Cessna U206 (N3948G), Put-In-Bay, OH, 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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