NTSB Identification: MIA86FA101.
The docket is stored on NTSB microfiche number 30916.
Accident occurred Wednesday, March 19, 1986 in LAKELAND, FL
Aircraft: DURKOTA THORP T-18, registration: N83GD
Injuries: 2 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.

WITNESSES OBSERVED BLACK SMOKE TRAILING FROM THE HOMEBUILT ACFT DURING TAKEOFF & INITIAL CLIMB. THE ACFT WAS OBSERVED TO CLIMB TO AN ESTIMATED ALT OF 150 TO 200 FT WHERE ENG SOUND CEASED & THE PROP STOPPED. THE ACFT WAS THEN OBSERVED TO ATTEMPT A LEFT TURN BACK TOWARD THE RWY. DURING THE TURN, THE NOSE CAME UP & WITNESSES STATED THAT THE ACFT STALLED ABOUT ONE-HALF WAY THROUGH THE TURN & CRASHED TO THE GROUND. AN EXAM OF THE COCKPIT REVEALED THAT THE HAND ACTUATED FUEL PRIMER WAS IN THE UNLOCKED & OUT POSITION. A REVIEW OF THE ACFT'S CHECKLISTS FAILED TO REVEAL ANY REFERENCE TO ENSURING THAT THE PRIMER IS IN & LOCKED AFTER ENGINE START.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

EMERGENCY PROCEDURE..IMPROPER..PILOT IN COMMAND


Contributing Factors

FUEL SYSTEM,PRIMER SYSTEM..OPEN


Contributing Factors

CHECKLIST..INADEQUATE..MANUFACTURER



Contributing Factors

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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