Plane Crash List

Clifton Dixon POLLIWAGEN N256PW

6 August 1991 · Chesterfield, Virginia, United States · Minor injuries

Summary

On 6 August 1991 at about 14:00 local time, a Clifton Dixon POLLIWAGEN registered N256PW, operated by Clifton E. Dixon, was involved in an accident near Chesterfield, Virginia, United States. One person was on board and one had minor injuries. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.

The record

Date
at 14:00
Classification
Accident
Location
Chesterfield, Virginia, United States
Nearest airport
Chesterfield City (W98)
Coordinates
37.3899, -77.5893
Aircraft
Clifton Dixon POLLIWAGEN
Registration
N256PW
Category
Airplane
Engines
1
Operator
Clifton E. Dixon
Operating rule
Part 91: General Aviation
Purpose of flight
Personal
Phase of flight
Not recorded
Aircraft damage
Destroyed
Weather
VMC
Light
Day
NTSB number
BFO91LA074

People

1 person had minor injuries.

On board Died Serious Minor Uninjured
1 0 0 1 0

Probable cause

THE PARTIAL LOSS OF ENGINE POWER CAUSED BY A MISALIGNED ROCKER ARM SPRING RESULTING IN A REDUCTION OF EXHAUST VALVE OPENING.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

THE PILOT WAS CONDUCTING ONE OF A SERIES OF FLIGHT TESTS OF HIS NEW HOMEBUILT AIRCRAFT. AFTER PERFORMING HIS PRETAKEOFF ENGINE RUN-UP, HE STARTED HIS TAKE-OFF ROLL. THE ENGINE PERFORMANCE SEEMED BETTER THAN USUAL UP TO AN ALTITUDE OF 200 FEET. THE ENGINE THEN STARTED TO LOSE POWER AND THE AIRCRAFT BEGAN TO DESCEND. THE AIRCRAFT STRUCK SOME TREE TOPS AND CRASHED TO THE GROUND, COMING TO REST, INVERTED. A POSTFLIGHT INVESTIGATION OF THE ENGINE REVEALED THAT THE NUMBER THREE EXHAUST VALVE SPRING HAD SLIPPED FROM ITS POSITION CAUSING A PARTIAL REDUCTION OF POWER.

Quoted verbatim from the NTSB record.

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