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NTSB Report
June 26, 1992 · Cessna 172 · N6089A
Mckinnon, WY
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 26, 1992
Injury Outcomes
1 injury (1 minor injury), 3 uninjured
Location
Mckinnon, WY
Aircraft
Cessna 172
Tail Number
N6089A
Operator
Mitchell Darrell A
Injuries
Minor
Aircraft Damage
Destroyed
NTSB Number
SEA92LA137
SHORTLY AFTER DEPARTURE RPM BEGAN DROPPING/FLUCTUATING AND THE PILOT ATTEMPTED TO REACH A NEARBY HIGHWAY TO EXECUTE A FORCED LANDING. DURING THE LANDING HE COLLIDED WITH THE TOPS OF SEVERAL SMALL TREES AND WHILE ROLLING OUT OVER UNEVEN TERRAIN THE AIRCRAFT PASSED THROUGH A FENCE AND THE NOSE LANDING GEAR STRUT SEPARATED FROM THE AIRCRAFT. POST CRASH EXAMINATION OF THE AIRCRAFT REVEALED A SUBSTANTIAL AMOUNT OF WATER IN THE FUEL DRAINED FROM THE GASCOLATOR AS WELL AS WATER IN THE PILOT'S ABOVE GROUND AUTO GAS STORAGE TANK. STANDARD CESSNA 172 PREFLIGHT PROCEDURES CALL FOR THE DRAINING OF FUEL FROM THE FUEL STRAINER TO CHECK FOR PRESENCE OF WATER AND SEDIMENT.
NTSB Probable Cause
WATER IN THE AIRCRAFT FUEL SYSTEM WHICH WAS NOT PURGED AS A RESULT OF THE PILOT IN COMMAND'S INADEQUATE PREFLIGHT. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: TREES, A FENCE AND THE UNEVEN TERRAIN CONDITION DURING THE LANDING AND ROLLOUT.
Full Narrative
SHORTLY AFTER DEPARTURE RPM BEGAN DROPPING/FLUCTUATING AND THE PILOT ATTEMPTED TO REACH A NEARBY HIGHWAY TO EXECUTE A FORCED LANDING. DURING THE LANDING HE COLLIDED WITH THE TOPS OF SEVERAL SMALL TREES AND WHILE ROLLING OUT OVER UNEVEN TERRAIN THE AIRCRAFT PASSED THROUGH A FENCE AND THE NOSE LANDING GEAR STRUT SEPARATED FROM THE AIRCRAFT. POST CRASH EXAMINATION OF THE AIRCRAFT REVEALED A SUBSTANTIAL AMOUNT OF WATER IN THE FUEL DRAINED FROM THE GASCOLATOR AS WELL AS WATER IN THE PILOT'S ABOVE GROUND AUTO GAS STORAGE TANK. STANDARD CESSNA 172 PREFLIGHT PROCEDURES CALL FOR THE DRAINING OF FUEL FROM THE FUEL STRAINER TO CHECK FOR PRESENCE OF WATER AND SEDIMENT.
Flight
Event TypeAccident
Event Time09:50 MDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172
Tail NumberN6089A
Aircraft CategoryAir
DamageDestroyed
OperatorMitchell Darrell A
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsUnknown · UNKNOWN · Reciprocating
Seats4
People & Injuries
Injury Summary1 injury (1 minor injury), 3 uninjured
Fatal0
Serious0
Minor1
Uninjured3
Total4
Crew 1Age 56 · Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility60 sm
CeilingBroken clouds 15000 ft
Temperature / Dew Point57 / 45 C
Altimeter30.00 inHg
Observation Time15:47
Weather SourceWFAC