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NTSB Report
January 27, 1992 · Bell 47D1 · N93067
Cross City, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 27, 1992
Injury Outcomes
No injuries (2 uninjured)
Location
Cross City, FL
Aircraft
Bell 47D1
Tail Number
N93067
Operator
Avico
Injuries
None
Aircraft Damage
Substantial
NTSB Number
MIA92LA069
THE PLT STATED THAT WHILE MANEUVERING, THE ENGINE LOST POWER. UNABLE TO MAINTAIN ALT HE PERFORMED AN AUTOROTATIVE LANDING INTO TREES. THE HELICOPTER FELL TO THE GROUND AND CAME TO REST. EXAM OF THE ENG BY THE OPERATOR WHO HAS AN FAA ISSUED AIRFRAME & POWERPLANT CERTIFICATE REVEALED NO EVIDENCE OF ENGINE FAILURE OR MALFUNCTION. THE ENG WAS TRANSPORTED TO THE FACILITY THAT OVERHAULED IT APPROXIMATELY 2 YEARS EARLIER. EXAM ALSO REVEALED NO EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION. THE NAME & CERTIFICATE NUMBER ENTERED IN THE ENG LOGBOOK INDICATING THAT THE ENG WAS OVERHAULED WAS NOT VALID ACCORDING TO FAA PERSONNEL LOCATED IN OKLAHOMA CITY, OK.
NTSB Probable Cause
PARTIAL LOSS OF ENGINE POWER DUE TO UNDETERMINED REASONS AND UNSUITABLE TERRAIN ENCOUNTERED DURING THE AUTOROTATIVE LANDING.
Full Narrative
THE PLT STATED THAT WHILE MANEUVERING, THE ENGINE LOST POWER. UNABLE TO MAINTAIN ALT HE PERFORMED AN AUTOROTATIVE LANDING INTO TREES. THE HELICOPTER FELL TO THE GROUND AND CAME TO REST. EXAM OF THE ENG BY THE OPERATOR WHO HAS AN FAA ISSUED AIRFRAME & POWERPLANT CERTIFICATE REVEALED NO EVIDENCE OF ENGINE FAILURE OR MALFUNCTION. THE ENG WAS TRANSPORTED TO THE FACILITY THAT OVERHAULED IT APPROXIMATELY 2 YEARS EARLIER. EXAM ALSO REVEALED NO EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION. THE NAME & CERTIFICATE NUMBER ENTERED IN THE ENG LOGBOOK INDICATING THAT THE ENG WAS OVERHAULED WAS NOT VALID ACCORDING TO FAA PERSONNEL LOCATED IN OKLAHOMA CITY, OK.
Flight
Event TypeAccident
Event Time11:20 EST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBell 47D1
Tail NumberN93067
Aircraft CategoryHeli
DamageSubstantial
OperatorAvico
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsFranklin · 6V-335-A · Reciprocating · 210
Seats2
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 47 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind70° @ 6 kt
Visibility7 sm
CeilingBroken clouds 10000 ft
Temperature / Dew Point61 F / 52
Altimeter30.00 inHg
Observation Time15:50
Weather SourceWFAC