# NTSB SEA91LA198: Chance Vought F4U-4, N5222V, Chiloquin, OR, August 2, 1991

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: August 2, 1991, 12:00 local (19:00 UTC)
- Place: Chiloquin, OR
- Coordinates: 42.999366, -121.63021 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.9994&lon=-121.6302&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report February 8, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 41504
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA91LA198
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41504/pdf
- Page: https://openairdocs.org/ntsb/SEA91LA198

## Probable cause

THE LOSS OF POWER DUE TO ENGINE FAILURE, FOR UNDETERMINED REASONS.

## Sequence of events

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

- Loss of engine power, cruise
  - powerplant - undetermined (cause)
- Fire, descent - emergency
- Miscellaneous/other, descent - emergency
  - bail-out/emergency ejection - performed, pilot in command
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE WW2 VINTAGE FIGHTER ACFT WAS IN A FLT OF 4 ACFT WHEN THE ENGINE BEGAN RUNNING ROUGH, LOST OIL PRESSURE AND FAILED.  THE PILOT PARACHUTED FROM THE ACFT, WHICH CAUGHT FIRE BEFORE HE COULD REACH THE NEAREST ARPT FOR AN EMERGENCY LDG. THE ACFT IMPACTED TREES AND STARTED A FOREST FIRE.  THE ENGINE WAS DESTROYED BY FIRE.

## Aircraft

- Registration: [N5222V](https://openairdocs.org/deregistered/N5222V-2018-01-17), registration cancelled 2018-01-17, S/N 9484, built 1945 (OpenAirDocs)
- Reported make and model: CHANCE VOUGHT F4U-4
- Registry model: [Chance Vought F4U-4](https://openairdocs.org/model/chance-vought-f4u-4) (registry code 2152608) (OpenAirDocs)
- Registry engine: [Pratt & Whitney DW-CB series](https://openairdocs.org/engine/pratt-whitney-dw-cb-series) (registry code 52025, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 9484
- Engines: P&W R2800 CB16/17 2450 horsepower reciprocating
- Damage: Destroyed
- Fire: In-Flight
- Flight: Personal, Part 91
- Operator: Erickson Air-Crane Co.
- Registered owner: Erickson Air-Crane Co.
- Departed: MFR, MEDFORD, OR
- Destination: U35, CALDWELL, ID

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; airline transport, flight engineer; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; flight hours: 8,200 total, 1 in this make and model, 5,000 as pilot in command, 100 in the last 90 days, 60 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 4 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 46 °F
- Altimeter: 30.00 inHg
- Observed at: LMT, 31 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 19910802031489A](https://openairdocs.org/incident/19910802031489A), Aug 2, 1991: Vought F4U4, Chiloquin, OR, Destroyed. Engine blew up in flight,caught fire. Pilot bailed out. Several cylinders missing. Unable to verify exact cause.

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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