Dulles Inter'l. Airport
Aircraft Accident/Incident Report

Herndon, Virginia 22090
Sunday, May 9, 1982 12:21 EDT

NTSB Narrative Summary Released at Completion of Accident

FOLLOWING AN ENGINE FAILURE, THE PILOT HAD A LIMITED CHOICE OF TERRAIN FOR LANDING. HE LANDED HARD AND SLID INTO TREES. A METALLURGICAL EXAMINATION REVEALED THAT THE SHAFT ON THE ENGINE OIL PUMP DRIVE GEAR, PN 538609, HAD FAILED FROM FATIGUE. EVIDENCE OF HEAVY WEAR OF THE SHAFT WAS FOUND WHICH COINCIDED WITH A FOREIGN METALLIC SMEAR (ALUMINUM) ON THE SURFACE OF THE OIL REVEALED NO CONTAMINATION. AN EXAMINATION OF THE ENGINE LOG REVEALED THAT THE ENGINE HAD RECEIVED MAJOR REPAIR ON SEVERAL OCCASIONS, ONCE FOR A BROKEN PISTON.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/9/1982
Event Day of the Week Sunday
Time of Event 1221
Event Time Zone Eastern Daylight Time
Event City HERNDON
Event State VIRGINIA
Event Country --
Zipcode of the event site 22090
Event Date Year 1982
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport DULLES INTER'L. AIRPORT
Event Location Nearest Airport ID IAD
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Full
Investigator's weather source Unknown
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 75
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 340
Variable Wind Indicator Unknown
Wind Speed (knots) 17
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 5
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 3161
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N969H
NTSB Number ATL82DA127
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 BEECH
Aircraft Model 35-B33
Aircraft Series Identifier 35-B33
Aircraft Serial Number CD 485
Certified Max Gross Weight 3000
Aircraft Category Airplane
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 43
Airframe Hours 1991
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BUTLER, CLIFFORD GUY, JR.
Aircraft Owner Street Address 17725 LISA DRIVE
Aircraft Owner City DERWOOD
Aircraft Owner State MD
Aircraft Owner Country
Aircraft Owner Zipcode 20855
Operator is an individual? --
Operator Name BUTLER, CLIFFORD GUY, JR.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 17725 LISA DRIVE
Operator City DERWOOD
Operator State MD
Operator Country
Operator Zip code 20855
Operator Code
Owner has at least one certificate Yes - certificate holder
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 No
Departure Airport Code GAI
Departure City GAITHERSBURG
Departure State MD
Departure Country
Departure Time 1200
Departure Time Zone
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code GAI
Destination City GAITHERSBURG
Destination State MD
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --