# NTSB SEA88LA110: Aeronca O58B, N49203, Bremerton, WA, June 15, 1988

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 14, 1988, 17:10 local (Jun 15, 1988, 00:10 UTC)
- Place: Bremerton, WA
- Coordinates: 47.040142, -122.139289 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.0401&lon=-122.1393&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 28, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 40830
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA88LA110
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40830/pdf
- Page: https://openairdocs.org/ntsb/SEA88LA110

## Sequence of events

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

- Loss of engine power, cruise
  - fuel system,selector/valve - worn (contributing factor)
  - fuel tank selector position - improper, pilot in command (cause)
- Forced landing, descent - emergency
- On ground/water encounter with terrain/water, landing - flare/touchdown
  - terrain condition - hidden obstruction(s) (contributing factor)

## Analysis

DURING CRUISE, ENG LOST POWER. PLT ATTEMPTED TO RESTORE POWER WITH NO SUCCESS; ENG POWER WAS SURGING BUT LESS THAN ENOUGH TO SUSTAIN FLIGHT. FORCED LANDING WAS EXECUTED INTO ROUGH TERRAIN. INSPECTION REVEALED FUEL SELECTOR DETERIORATED BY AGE AND USE. THE FUEL SELECTOR WAS FOUND IN A PARTIAL ON POSITION. THIS POSITION ALLOWED ONLY A LIMITED FUEL FLOW TO THE ENGINE.

## Aircraft

- Registration: [N49203](https://openairdocs.org/aircraft/N49203), registered now, S/N 058B-7662, built 1943 (OpenAirDocs)
- Reported make and model: AERONCA O58B
- Registry model: [Aeronca L-3C](https://openairdocs.org/model/aeronca-l-3c) (registry code 0191010) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 7662
- Airframe hours: 2300
- Engines: CONTINENTAL C85-12-F 85 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Jon C. Poole
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 5, 1987, 35 hours before
- Departed: S42, SILVERDALE, WA
- Destination: PWT, BREMERTON, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 158 total, 5 in this make and model, 134 as pilot in command, 6 in the last 90 days, 5 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 70° at 4 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 88 °F, dew point 46 °F
- Altimeter: 29.00 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 19880614060379A](https://openairdocs.org/incident/19880614060379A), Jun 14, 1988: Aronca O58B, Bremerton, WA, Substantial damage. Rough engine and power loss. Landed in logged out field, hit slash and nosed up. Fuel selector was deteriorated.

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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