# NTSB ANC86LA109: Piper PA-22, N3366Z, Umiat, AK, July 27, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 26, 1986, 23:15 local (Jul 27, 1986, 07:15 UTC)
- Place: Umiat, AK
- Location: 69.3669° N, 152.1442° W: Placed by OpenAirDocs: center of Umiat, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=69.3669&lon=-152.1442&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): 4703
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA109
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4703/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA109

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, approach - vfr pattern - final approach
  - fluid,fuel - exhaustion (contributing factor)
  - fuel supply - misjudged, pilot in command (cause)
  - refueling - delayed, pilot in command (cause)
  - in-flight planning/decision - poor, pilot in command (cause)
  - judgment - poor, pilot in command (cause)
- Loss of control - on ground/water, landing - roll
  - terrain condition - none suitable (contributing factor)
- Nose over, landing - roll

## Analysis

PILOT STATED THE ENGINE QUIT DUE TO FUEL EXHAUSTION DURING FINAL APPROACH, FORCING HIM TO LAND ON A SHORT UNSUITABLE GRAVEL BAR. AIRCRAFT NOSED OVER UPON LANDING AND CAME TO REST IN 10 FEET OF WATER.

## Aircraft

- Registration: [N3366Z](https://openairdocs.org/deregistered/N3366Z-2013-06-18), registration cancelled 2013-06-18, S/N 22-7307, built 1960 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-7307
- Airframe hours: 3000
- Engines: LYCOMING O-320-A1A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: David Wiseman
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 1, 1986, 80 hours before
- Departed: UMT, UMIAT, AK
- Destination: BTT, BETTLES, AK
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; private; airplane ratings: single-engine land; medical: valid medical--no waivers/lim.; seat: left; flight hours: 168 total, 79 in this make and model, 136 as pilot in command, 26 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Dusk
- Lowest ceiling: 2,000 ft overcast
- Temperature: 52 °F, dew point 43 °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 19860726039609A](https://openairdocs.org/incident/19860726039609A), Jul 26, 1986: Piper PA22150, Umiat, AK, Substantial damage. Forced landing due to fuel exhaustion. Nosed over during landing on gravel. Low visibility at mountain pass a factor.

## Other investigations on N3366Z (2)

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 FTW66D0609](https://openairdocs.org/ntsb/FTW66D0609), Apr 2, 1966: Piper PA-22 (N3366Z), Oklahoma City, OK, substantial damage
- [NTSB UNK65X1462](https://openairdocs.org/ntsb/UNK65X1462), Feb 27, 1965: Piper PA22 (N3366Z), Yukon, OK, 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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