NTSB Identification: FTW83FU004.
The docket is stored on NTSB microfiche number 22874.
Accident occurred Saturday, August 27, 1983 in HASKELL, OK
Aircraft: PTERODACTYL ASCENDER II+, registration: NONE
Injuries: 1 Fatal.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
THE PLT & HIS INSTRUCTOR WERE DEPARTING THE AIRPORT IN SEPARATE ULTRALIGHT VEHICLES TO PROCEED ON A X-COUNTRY FLT FOR A FLY-IN. THE INSTRUCTOR SAW THE PLT TAKEOFF, BUT LOST SIGHT OF HIM MOMENTS LATER & DID NOT SEE THE ACCIDENT. HOWEVER, AN EYE WITNESS STATED THAT HE SAW THE ULTRALIGHT FLYING FROM THE AIRPORT, IN A RIGHT TURN. THE WITNESS HEARD THE ENG REV UP & SAW THE NOSE OF THE VEHICLE DROP. HE REPORTED THAT THE ULTRALIGHT ENTERED A STEEP SPIRAL & IMPACTED THE GROUND. AN ON-SCENE INVESTIGATION REVEALED NO EVIDENCE OF A PREIMPACT DESCREPANCY WITH EITHER THE ENG OR THE AIRFRAME.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRSPEED..INADEQUATE..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:STALL/SPIN..INADVERTENT..PILOT IN COMMAND
LACK OF TOTAL EXPERIENCE..PILOT IN COMMAND
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