# NTSB ANC86LA136: Piper PA-18, N146T, Mcneil River, AK, August 19, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 18, 1986, 21:00 local (Aug 19, 1986, 05:00 UTC)
- Place: Mcneil River, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (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): 4723
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA136
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4723/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA136

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - planning/decision - improper, pilot in command (cause)
  - improper use of procedure, pilot in command (contributing factor)
- Nose over, landing - roll

## Analysis

PILOT APPLIED BRAKES TOO FIRMLY; LOST CONTROL ON LANDING AND AIRCRAFT NOSED OVER ON ITS BACK.

## Aircraft

- Registration: [N146T](https://openairdocs.org/aircraft/N146T), registered now, S/N 18-2260, built 1952 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 182260
- Airframe hours: 2978
- Engines: LYCOMING O-235-C1 115 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Christopher Brown
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, November 1, 1985, 49 hours before
- Departed: TPO, PORT ALSWORTH, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 66 total, 22 in this make and model, 42 as pilot in command, 22 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 50 °F

## 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 19860818044089A](https://openairdocs.org/incident/19860818044089A), Aug 18, 1986: Piper PA18, Mcneil River, AK, Substantial damage. Applied brakes too firmly during rollout on a gravel bar. Aircraft nosed over.

## Other investigations on N146T (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 ANC10LA011](https://openairdocs.org/ntsb/ANC10LA011), Dec 31, 2009: Piper PA-18 (N146T), Willow, AK, substantial damage. Probable cause: The pilot’s failure to ensure that the airplane’s fuel selector valve was on before takeoff, resulting in a loss of engine power due to fuel starvation, and his subsequent decision to attempt a low…

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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