# NTSB ANC86LA166: Piper PA-18, N4371A, Pilot Point, AK, September 27, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 26, 1986, 18:30 local (Sep 27, 1986, 02:30 UTC)
- Place: Pilot Point, AK
- Coordinates: 57.500568, -157.280029 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=57.5006&lon=-157.2800&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (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): 4750
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA166
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4750/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA166

## 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
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - aircraft handling - not maintained, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
- On ground/water encounter with terrain/water, takeoff - roll/run

## Analysis

THE PILOT REPORTED THAT HE LOST CONTROL OF THE AIRPLANE DURING THE TAKEOFF RUN ON A DIRT ROAD.  THE ACCIDENT OCCURRED AS THE PLANE WAS GOING AROUND A CURVE IN THE ROADWAY.

## Aircraft

- Registration: [N4371A](https://openairdocs.org/aircraft/N4371A), registered now, S/N 18-4773, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18A 150](https://openairdocs.org/model/piper-pa-18a-150) (registry code 7101837) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 184773
- Airframe hours: 400
- Engines: LYCOMING O-360 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Roland B. Briggs
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 1, 1986, 60 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 26; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 1,300 total, 400 in this make and model, 1,300 as pilot in command, 60 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 15 knots, gusting 20
- Visibility: 20 statute miles
- Lowest ceiling: 1,000 ft overcast
- Temperature: 61 °F, dew point 34 °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 19860926054279A](https://openairdocs.org/incident/19860926054279A), Sep 26, 1986: Piper STCPA18, Pilot Point, AK, Substantial damage. Lost directional control during takeoff run on a road. Cartwheeled after wheel hit a berm in the tundra.

## Other investigations on N4371A (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 DEN69D0232](https://openairdocs.org/ntsb/DEN69D0232), Apr 21, 1969: Piper PA-18A (N4371A), Byers, CO, destroyed

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.