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NTSB Report
August 3, 1991 · Laurent A Cloutier BD-5B · N245BD
Gilford, NH
Overview
Report Status
Probable Cause
Event Type
Accident
Date
August 3, 1991
Injury Outcomes
1 injury (1 minor injury)
Location
Gilford, NH
Aircraft
Laurent A Cloutier BD-5B
Tail Number
N245BD
Operator
Laurent a Cloutier
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
NYC91DNC04
THE PILOT LOST POWER AFTER TAKEOFF AND MADE A FORCED LANDING ON A ROAD. JUST PRIOR TO TOUCHDOWN, A CAR PULLED INTO THE PLANNED LANDING AREA AND THE PILOT INTENTIONALLY PULLED UP TO AVOID THE CAR. THE AIRPLANE STALLED AND HIT THE ROAD HARD, COLLAPSING THE LANDING GEAR. POST CRASH EXAMINATION OF THE ENGINE DISCLOSED AN OIL PRESSURE RELIEF VALVE USED TO LUBRICATE ONE OF THE CYLINDERS WAS RELEASING AT TOO HIGH A PRESSURE TO ADEQUATELY LUBRICATE THE CYLINDER WHICH RESULTED IN A STOPPED ENGINE.
NTSB Probable Cause
ENGINE FAILURE DUE TO A FAULTY OIL PRESSURE RELIEF VALVE RESULTING IN AN EMERGENCY LANDING ON UNSUITABLE TERRAIN.
Full Narrative
THE PILOT LOST POWER AFTER TAKEOFF AND MADE A FORCED LANDING ON A ROAD. JUST PRIOR TO TOUCHDOWN, A CAR PULLED INTO THE PLANNED LANDING AREA AND THE PILOT INTENTIONALLY PULLED UP TO AVOID THE CAR. THE AIRPLANE STALLED AND HIT THE ROAD HARD, COLLAPSING THE LANDING GEAR. POST CRASH EXAMINATION OF THE ENGINE DISCLOSED AN OIL PRESSURE RELIEF VALVE USED TO LUBRICATE ONE OF THE CYLINDERS WAS RELEASING AT TOO HIGH A PRESSURE TO ADEQUATELY LUBRICATE THE CYLINDER WHICH RESULTED IN A STOPPED ENGINE.
Flight
Event TypeAccident
Event Time07:55 EDT
Nearest AirportLACONIA (3nm WSW)
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftLaurent A Cloutier BD-5B
Tail NumberN245BD
Aircraft CategoryAir
DamageSubstantial
OperatorLaurent a Cloutier
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsPolaris · EC65PL01 · Reciprocating · 82
Seats1
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 67 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind230° @ 3 kt
CeilingOvercast 12000 ft
Temperature / Dew Point68 F / 57
Altimeter29.00 inHg
Observation Time15:53
Weather SourceWFAC