# NTSB ANC88LA110: Piper PA-18-150, N6893B, Tok, AK, August 15, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 15, 1988, 15:46 local (23:46 UTC)
- Place: Tok, AK
- Coordinates: 63.17955, -143.099121 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=63.1795&lon=-143.0991&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 9, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5052
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA110
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5052/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA110

## Sequence of events

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

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

## Analysis

DURING THE TAKEOFF ROLL ON A GRAVEL BAR, THE PILOT LOST DIRECTIONAL CONTROL OF THE AIRPLANE & IT BOUNCED INTO THE RIVER. THE AIRPLANE THEN NOSED OVER ON ITS BACK. THE PILOT AND PASSENGER BOTH EXITED THE AIRPLANE.

## Aircraft

- Registration: N6893B (not matched to a registry record)
- Reported make and model: PIPER PA-18-150
- Category: Airplane
- Serial number: 185083
- Engines: LYCOMING O-320 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Veteran Air Service, Inc.
- Airworthiness certificate: Standard, Normal
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 2,300 total, 700 in this make and model, 2,240 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 60° at 10 knots
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 66 °F, dew point 46 °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 19880815035599A](https://openairdocs.org/incident/19880815035599A), Aug 15, 1988: Piper PA18150, Tok, AK, Substantial damage. Tried to takeoff from a sandbar with full flaps. Bounced, ran off sandbar and overturned in the river.

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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