Laconia Airport
Aircraft Accident/Incident Report

Gilford, New Hampshire 03246
Saturday, August 3, 1991 7:55 EDT

NTSB Narrative Summary Released at Completion of Accident

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 Narrative

ENGINE FAILURE DUE TO A FAULTY OIL PRESSURE RELIEF VALVE RESULTING IN AN EMERGENCY LANDING ON UNSUITABLE TERRAIN.

Event Information

Type of Event Accident
Event Date 8/3/1991
Event Day of the Week Saturday
Time of Event 755
Event Time Zone Eastern Daylight Time
Event City GILFORD
Event State NEW HAMPSHIRE
Event Country --
Zipcode of the event site 03246
Event Date Year 1991
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LACONIA
Event Location Nearest Airport ID LCT
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 3
Degrees magnetic from airport 255
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1153 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 255
Weather Observation Facility ID LCI
Elevation of weather observation facility 545
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 12000
Lowest Non-Ceiling Height 12000
Sky/Lowest/Cloud Conditions Thin Overcast
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) 20
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency FAA
NTSB Docket Number (internal use) 1780
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45658
Date of most recent change to record Dec 12 2000 10:39AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N245BD
NTSB Number NYC91DNC04
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name LAURENT A. CLOUTIER
Aircraft Model BD-5B
Aircraft Series Identifier BD-5B
Aircraft Serial Number 3514
Certified Max Gross Weight 860
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 1
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection Sep 7 1990 12:00AM
Airframe hours since last inspection 15
Airframe Hours 40
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name LAURENT A. CLOUTIER
Aircraft Owner Street Address RFD BOX 166
Aircraft Owner City CNTR BARNSTEAD
Aircraft Owner State NH
Aircraft Owner Country
Aircraft Owner Zipcode 03225
Operator is an individual? --
Operator Name LAURENT A. CLOUTIER
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address RFD BOX 166
Operator City CNTR BARNSTEAD
Operator State NH
Operator Country
Operator Zip code 03225
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code LCI
Departure City
Departure State
Departure Country
Departure Time 750
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --