Downtown Airpark Airport
Aircraft Accident/Incident Report

Oklahoma City, Oklahoma 73125
Friday, July 22, 1988 17:45 CDT

NTSB Narrative Summary Released at Completion of Accident

THE AIR TAXI AIRPLANE, HAULING CARGO, WAS ATTEMPTING A TAKEOFF AND RAN OFF THE END OF THE RUNWAY AND ENDED UP IN A DITCH. THE PILOT SAID THE ENGINE HAD FAILED. A CHECK ON THE WRECKAGE REVEALED THE ENGINE HAD THE WRONG TYPE OF SPARK PLUGS, ONE MAGNETO WAS ADVANCED 7 DEGREES TOO FAR, AND THE BRAKES WERE MAKING METAL TO METAL CONTACT. AFTER PLUGS WERE CHANGED AND THE MAGNETO RESET, THE ENGINE WAS OPERATED FROM IDLE TO FULL THROTTLE AND OPERATED SATISFACTORILY. THE AIRPLANE WAS ALSO OVERWEIGHT. THE BRAKES WERE FOUND WITH LININGS WORN TO THE RIVETS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/22/1988
Event Day of the Week Friday
Time of Event 1745
Event Time Zone Central Daylight Time
Event City OKLAHOMA CITY
Event State OKLAHOMA
Event Country --
Zipcode of the event site 73125
Event Date Year 1988
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport DOWNTOWN AIRPARK
Event Location Nearest Airport ID 2DT
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 1180
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 1748 Central Daylight Time
Direction of event from weather observation facility (degrees) 200
Weather Observation Facility ID OKC
Elevation of weather observation facility 1299
Distance of event from weather observation facility (units?) 10
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 8000
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) 15
Air Temperature at event time (in degrees celsius) 34
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 2500
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 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1904
NTSB Notification Source --
NTSB Notification Date Jul 22 1988 12:00AM
NTSB Notification Time 2008
Fiche Number and/or location -used to find docket information 38174
Date of most recent change to record Dec 13 2000 11:56AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2970M
NTSB Number FTW88LA140
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-28R
Aircraft Series Identifier PA-28R
Aircraft Serial Number 28R-7918001
Certified Max Gross Weight 2400
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 Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ADIOS AIR LIMITED
Aircraft Owner Street Address RR#1, BOX 250
Aircraft Owner City SAND SPRINGS
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 74063
Operator is an individual? --
Operator Name ADIOS AIR LIMITED
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address RT#1, BOX 250
Operator City SAND SPRINGS
Operator State OK
Operator Country
Operator Zip code 74063
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code 2DT
Departure City
Departure State
Departure Country
Departure Time 1745
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code TUL
Destination City TULSA
Destination State OK
Destination Country
Specific Phase of Flight Takeoff
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 16
Runway Length 3240
Runway Width 85
Sight Seeing flight No
Air Medical Flight No
Medical Flight --