Finkhaven Airport
Aircraft Accident/Incident Report

Williamsport, Pennsylvania 17701
Sunday, May 5, 1991 14:27

NTSB Narrative Summary Released at Completion of Accident

THE HOMEBUILT AIRPLANE COLLIDED WITH THE GROUND IN A HEAVILY WOODED RAVINE AFTER ITS ENGINE QUIT DURING CRUISE FLIGHT. THE FAA REPORTED THAT 'THE NUMBER TWO CYLINDER WAS SCORED' AND THE 'ENGINE SEIZED AFTER IT OVERHEATED.'

NTSB Probable Cause Narrative

AN ENGINE SEIZURE AS THE RESULT OF OVERHEATING.

Event Information

Type of Event Accident
Event Date 5/5/1991
Event Day of the Week Sunday
Time of Event 1427
Event Time Zone --
Event City WILLIAMSPORT
Event State PENNSYLVANIA
Event Country --
Zipcode of the event site 17701
Event Date Year 1991
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport FINKHAVEN
Event Location Nearest Airport ID NONE
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 640
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 None
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) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
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 Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency FAA
NTSB Docket Number (internal use) 2283
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 46317
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 N94MW
NTSB Number NYC91DGT02
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 Kolb Company
Aircraft Model TWINSTAR
Aircraft Series Identifier TWINSTAR
Aircraft Serial Number A-1
Certified Max Gross Weight 735
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 10 1990 12:00AM
Airframe hours since last inspection 28
Airframe Hours 410
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name MARSHALL WELCH, JR.
Aircraft Owner Street Address 941 1ST AVE
Aircraft Owner City WILLIAMSPORT
Aircraft Owner State PA
Aircraft Owner Country
Aircraft Owner Zipcode 17701
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 No
Departure Airport Code
Departure City TROUT RUN
Departure State PA
Departure Country
Departure Time 1355
Departure Time Zone
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 Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Oct 10 2002 4:15PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 2500
Runway Width 80
Sight Seeing flight No
Air Medical Flight No
Medical Flight --