Ada Municipal Airport
Aircraft Accident/Incident Report

Ada, Oklahoma 74820
Sunday, February 24, 1985 13:40 CST

NTSB Narrative Summary Released at Completion of Accident

THE AIRCRAFT HAD BEEN STORED FOR 8 MONTHS WITH AUTOMOTIVE FUEL IN THE TANK. DURING TAKEOFF, THE ENG LOST POWER. SUBSEQUENTLY, THE PLT LOST CONTROL & THE ACFT IMPACTED THE GROUND AT A 45 DEG ANGLE. AN INVESTIGATION REVEALED THAT SOFTENED TANK SEALANT MATERIAL WAS OBSTRUCTING THE TANK STRAINER SCREEN.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/24/1985
Event Day of the Week Sunday
Time of Event 1340
Event Time Zone Central Standard Time
Event City ADA
Event State OKLAHOMA
Event Country --
Zipcode of the event site 74820
Event Date Year 1985
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ADA MUNICIPAL
Event Location Nearest Airport ID ADH
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 1008
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1251 Central Standard Time
Direction of event from weather observation facility (degrees) 80
Weather Observation Facility ID MLC
Elevation of weather observation facility 770
Distance of event from weather observation facility (units?) 44
Time Zone of the weather observation CST
Lighting Conditions Day
Lowest Ceiling Height 2000
Lowest Non-Ceiling Height 2000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 8
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
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 --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 418
NTSB Notification Source --
NTSB Notification Date Feb 24 1985 12:00AM
NTSB Notification Time 1900
Fiche Number and/or location -used to find docket information 27700
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N40HB
NTSB Number FTW85LA127
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name THORPE
Aircraft Model T-18
Aircraft Series Identifier T-18
Aircraft Serial Number 165
Certified Max Gross Weight 1200
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 537
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name HARRY D. BINGMAN
Aircraft Owner Street Address 9905 WESTPORT RD.
Aircraft Owner City LOUISVILLE
Aircraft Owner State KY
Aircraft Owner Country
Aircraft Owner Zipcode 40222
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
Departure City
Departure State
Departure Country
Departure Time 1339
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 35
Runway Length 5000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --