Aircraft Accident/Incident Report

Lake Dallas, Texas 75065
Wednesday, July 5, 1995 15:58 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT PERFORMED AN ENGINE RUNUP BEFORE TAKEOFF ON RUNWAY 17. ACCORDING TO A WITNESS, THE AIRPLANE 'USED APPROXIMATELY 2,000 FEET OF RUNWAY TO BECOME AIRBORNE.' ANOTHER WITNESS OBSERVED THE AIRCRAFT'S DEPARTURE AND REPORTED THAT IT 'APPEARED TO BE UNDER POWERED AND SLOW.' ANOTHER WITNESS REPORTED THAT THE PLANE PASSED OVERHEAD AND 'I HEARD THE ENGINE SPUTTER.' HE FURTHER OBSERVED 'I SAW THE PLANE BANK UP AND TO THE EAST; THE ENGINE SPUTTERED TWICE AGAIN AND THE PLANE STALLED OUT SPIRALLING DOWN INTO THE WATER.' AN EXAMINATION OF THE ENGINE REVEALED THAT THE NUMBER ONE CYLINDER EXHAUST VALVE WAS STUCK IN THE OPEN POSITION DUE TO CARBON BUILDUP ON THE VALVE GUIDE.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO MAINTAIN AIRSPEED AND THE RESULTING INADVERTENT STALL/SPIN. A FACTOR WAS INADEQUATE MAINTENANCE RESULTING IN THE PARTIAL LOSS OF ENGINE POWER DUE TO THE NUMBER ONE CYLINDER EXHAUST VALVE BEING STUCK OPEN.

Event Information

Type of Event Accident
Event Date 7/5/1995
Event Day of the Week Wednesday
Time of Event 1558
Event Time Zone Central Daylight Time
Event City LAKE DALLAS
Event State TEXAS
Event Country --
Zipcode of the event site 75065
Event Date Year 1995
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1550 Central Daylight Time
Direction of event from weather observation facility (degrees) 180
Weather Observation Facility ID DAL
Elevation of weather observation facility 487
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 33
Dew Point at event time (in degress fahrenheit) 16
Wind Direction (degrees magnetic) 210
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 3000
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
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 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1276
NTSB Notification Source --
NTSB Notification Date Jul 5 1995 12:00AM
NTSB Notification Time 2038
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 7 2000 4:24PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N11064
NTSB Number FTW95FA270
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 CHAMPION
Aircraft Model 7ECA
Aircraft Series Identifier 7ECA
Aircraft Serial Number 65
Certified Max Gross Weight 1650
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
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 Mar 15 1995 12:00AM
Airframe hours since last inspection --
Airframe Hours 2465
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WALTER A. JOHNSON
Aircraft Owner Street Address 1801 WOODBURY
Aircraft Owner City CARROLLTON
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 75007
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 Yes
Departure Airport Code 3OF
Departure City
Departure State
Departure Country
Departure Time 1557
Departure Time Zone CST
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 Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
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 --