# NTSB ANC84LA007: Piper PA-18-150, N6893B, Tok, AK, October 16, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 15, 1983, 19:45 local (Oct 16, 1983, 03:45 UTC)
- Place: Tok, AK
- Coordinates: 63.180774, -143.100677 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=63.1808&lon=-143.1007&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4251
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA007
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4251/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA007

## Sequence of events

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

- On ground/water collision with object, landing - roll
  - judgment - poor, pilot in command (cause)
  - inadequate training, pilot in command (contributing factor)
  - overconfidence in personal ability, pilot in command (contributing factor)
  - landing light(s) - other
  - operation with known deficiencies in equipment - performed, pilot in command (cause)
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - planned approach - improper, pilot in command (cause)
  - aircraft parked/standing (contributing factor)
  - proper alignment - not attained, pilot in command (cause)

## Analysis

DURING A NIGHT LANDING. THE NON-RATED PLT ACCIDENTLY SELECTED THE TAXIWAY, AND SUBSEQUENTLY, THE ACFT COLLIDED WITH A PARKED AIRPLANE. THE ACFT WAS EQUIPPED WITH SKI GEAR ONLY  & IT HAD NO LANDING LIGHT INSTALLED. ALSO, THE ARPT WAS NOT LIGHTED & HAD NO SNOW ANYWHERE ON ITS SURFACE.

## Aircraft

- Registration: N6893B (not matched to a registry record)
- Reported make and model: PIPER PA-18-150
- Category: Airplane
- Serial number: 18-5083
- Engines: LYCOMING O-320-A2A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Robert B. Spencer
- Airworthiness certificate: Standard, Normal
- Departed: FAI, FAIRBANKS, AK
- Destination: 8AK9, TOK, AK
- Airport: 8AK9, Tok, runway 10, 2,000 ×  ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; airplane ratings: single-engine land; medical: unknown, unknown; seat: front

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 90° at 5 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 21 °F, dew point 16 °F
- Altimeter: 29.00 inHg
- Observed at: ORT, 35 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 19831015075879A](https://openairdocs.org/incident/19831015075879A), Oct 15, 1983: Piper PA18150, Tok, AK, Substantial damage. Landed on taxiway instead of runway and struck a parked aircraft. Equipped with skis only. No snow. No lights.

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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