# NTSB ANC85LA106: Piper PA-18, N3684Z, King Salmon, AK, June 21, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 20, 1985, 22:30 local (Jun 21, 1985, 06:30 UTC)
- Place: King Salmon, AK
- Coordinates: 58.750713, -156.539749 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.7507&lon=-156.5397&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (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): 4508
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85LA106
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4508/pdf
- Page: https://openairdocs.org/ntsb/ANC85LA106

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, approach
  - planning/decision - improper, pilot in command (cause)
  - fluid,fuel - exhaustion (cause)
  - fuel supply - inadequate, pilot in command (cause)
- Forced landing, descent - emergency
- In flight collision with terrain/water, landing - flare/touchdown

## Analysis

THE PLT STATED THAT HE WAS MAKING AN APCH TO THE ARPT WHEN THE ACFT RAN OUT OF FUEL. SUBSEQUENTLY, THE ACFT CRASH LANDED ABOUT 1-1/2 MI NW OF THE ARPT.

## Aircraft

- Registration: [N3684Z](https://openairdocs.org/aircraft/N3684Z), registered now, S/N 18-7416, built 1960 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 187416
- Airframe hours: 220
- Engines: LYCOMING O-320 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Lorn Simpson
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 6, 1984, 110 hours before
- Departed: CLP, CLARK POINT, AK
- Airport: AKN, King Salmon, runway 29, 8,500 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 180 total, 180 in this make and model, 140 as pilot in command, 30 in the last 90 days, 10 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 210° at 8 knots
- Visibility: 30 statute miles
- Lowest ceiling: 6,000 ft broken
- Temperature: 45 °F, dew point 39 °F
- Altimeter: 29.00 inHg
- Observed at: AKN, 2 nm away

## 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 19850620027059A](https://openairdocs.org/incident/19850620027059A), Jun 20, 1985: Piper PA18150, King Salmon, AK, Substantial damage. Crashed on final approach after running out of fuel.

## Other investigations on N3684Z (3)

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 ANC98LA077](https://openairdocs.org/ntsb/ANC98LA077), Jun 18, 1998: Piper PA-18-160 (N3684Z), Anchorage, AK, substantial damage. Probable cause: The pilot's failure to correct engine/propeller torque and P factor, and the subsequent loss of directional control during the takeoff roll. Factors associated with the accident are the narrow,…
- [NTSB SEA67D0076](https://openairdocs.org/ntsb/SEA67D0076), May 27, 1966: Piper PA-18 (N3684Z), Billings, MT, substantial damage
- [NTSB SEA66D0203](https://openairdocs.org/ntsb/SEA66D0203), Dec 26, 1965: Piper PA-18 (N3684Z), Billings, MT, 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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