# NTSB BFO86LA051: Cessna 152, N64934, Mappsville, VA, September 10, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 10, 1986, 14:15 local (19:15 UTC)
- Place: Mappsville, VA
- Coordinates: 37.839195, -75.580947 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.8392&lon=-75.5809&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 10, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 11259
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=BFO86LA051
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/11259/pdf
- Page: https://openairdocs.org/ntsb/BFO86LA051

## Sequence of events

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

- Loss of engine power, cruise
  - fuel system,carburetor - ice (cause)
  - carburetor heat control - movement restricted (cause)
  - emergency procedure - attempted, pilot in command
- Forced landing, descent - emergency
- Nose over, landing

## Analysis

THE PLT EXPERIENCED A DROP IN ENGINE POWER DURING CRUISE FLIGHT. HE APPLIED CARBURETOR HEAT AND POWER WAS REGAINED. A PRECAUTIONARY LANDING WAS MADE AT NEARBY ACCOMACK CO ARPT. SEVERAL ENGINE RUNUPS WERE DONE AND THERE WAS NO PROBLEM DETECTED. HE DEPARTED THE ARPT AND ABOUT 10 MINUTES LATER, AT 3500 FT MSL, A 1000 RPM LOSS OF POWER OCCURRED. HE TRIED TO APPLY CARBURETOR HEAT; HOWEVER THE CONTROL KNOB WAS STUCK AND HE WAS UNABLE TO TURN IT ON. AT THE REDUCED POWER SETTING, THE ACFT DESCENDED TO 2000 FT MSL; WHERE TOTAL POWER LOSS OCCURRED. THE PLT MADE A FORCED LANDING ON AN OPEN FIELD. ON TOUCH DOWN THE AIRCRAFT NOSED OVER IN THE SOFT GROUND.

## Aircraft

- Registration: [N64934](https://openairdocs.org/deregistered/N64934-2015-05-15), registration cancelled 2015-05-15, S/N 15281483, built 1978 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 15281483
- Engines: LYCOMING O-235 110 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: State Aerial Farm Stats
- Airworthiness certificate: Standard, Utility
- Departed: MFV, MELFA, VA
- Destination: ORF, NORFOLK, VA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 23; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: valid medical--w/ waivers/lim; seat: left; flight hours: 620 total, 438 in this make and model, 598 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 230° at 10 knots
- Visibility: 7 statute miles
- Lowest ceiling: 3,500 ft broken
- Temperature: 79 °F, dew point 64 °F
- Altimeter: 30.00 inHg
- Observed at: PRF

## 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 19860910086059A](https://openairdocs.org/incident/19860910086059A), Sep 10, 1986: Cessna 152, Mappsville, VA, Substantial damage. Engine failed and aircraft nosed over on landing. Suspect carburetor icing. Carb heat lever jammed in off position.

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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