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NTSB Report
May 25, 1991 · Piper PA-28-140 · N56118
Flamingo, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
May 25, 1991
Injury Outcomes
2 injuries (2 minor injuries)
Location
Flamingo, FL
Aircraft
Piper PA-28-140
Tail Number
N56118
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
MIA91LA152
DURING NORMAL CRUISE FLT, THE ENG RPM DROPPED FROM 2,400 TO 1,900. THE PLT ATTEMPTED TO CORRECT THIS BUT WAS UNSUCCESSFUL. UNABLE TO MAINTAIN ALTITUDE, HE LANDED THE ACFT IN A FIELD BUT DURING THE LANDING ROLL, THE LT WING WAS SEVERED AFTER IMPACT WITH A TREE. THE ACFT ROLLED INVERTED & CAME TO REST. EXAM OF THE ENG REVEALED THAT THE NO. 3 CYLINDER EXHAUST VALVE FAILED. DUR TO DAMAGE TO THE FRACTURE SURFACE, NO DETERMINATION COULD BE MADE AS TO THE REASON FOR THE FAILURE. REVIEW OF THE ENG LOGBOOKS REVEALED THAT IN OCTOBER 1979, THE EGN WAS OVERHAULED WHICH INCLUDED IN PART, REPLACEMENT OF THE EXHAUST VALVES. SINCE THAT TIME THE ENG HAD ACCUMULATED APRX 1,400 HRS.
NTSB Probable Cause
PARTIAL LOSS OF ENGINE POWER DUE TO FAILURE OF THE NO. 3 CYLINDER EXHAUST VALVE FOR UNDETERMINED REASONS. CONTRIBUTING TO THE ACCIDENT WAS LACK OF SUITABLE TERRAIN DURING THE FORCED LANDING.
Full Narrative
DURING NORMAL CRUISE FLT, THE ENG RPM DROPPED FROM 2,400 TO 1,900. THE PLT ATTEMPTED TO CORRECT THIS BUT WAS UNSUCCESSFUL. UNABLE TO MAINTAIN ALTITUDE, HE LANDED THE ACFT IN A FIELD BUT DURING THE LANDING ROLL, THE LT WING WAS SEVERED AFTER IMPACT WITH A TREE. THE ACFT ROLLED INVERTED & CAME TO REST. EXAM OF THE ENG REVEALED THAT THE NO. 3 CYLINDER EXHAUST VALVE FAILED. DUR TO DAMAGE TO THE FRACTURE SURFACE, NO DETERMINATION COULD BE MADE AS TO THE REASON FOR THE FAILURE. REVIEW OF THE ENG LOGBOOKS REVEALED THAT IN OCTOBER 1979, THE EGN WAS OVERHAULED WHICH INCLUDED IN PART, REPLACEMENT OF THE EXHAUST VALVES. SINCE THAT TIME THE ENG HAD ACCUMULATED APRX 1,400 HRS.
Flight
Event TypeAccident
Event Time15:15 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-28-140
Tail NumberN56118
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-E2A · Reciprocating · 150
Seats4
People & Injuries
Injury Summary2 injuries (2 minor injuries)
Fatal0
Serious0
Minor2
Uninjured0
Total2
Crew 1Age 44 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind140° @ 9 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO