NTSB Identification: SEA83FU005.
The docket is stored on NTSB microfiche number 20978.
Accident occurred Monday, June 27, 1983 in SUMNER, WA
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.

REPORTEDLY, A FATHER & HIS 14 YR OLD SON HAD BEEN RECEIVING GROUND & TAXI INSTRUCTION, AND HAD RECEIVED 'CROW-HOP' PRACTICE IN THE PREVIOUS FEW WEEKS. ON 6/27/83, THE VEHICLE BECAME AIRBORNE WITH THE SON ON BOARD. HE FLEW IT IN A PATTERN AROUND THE OPEN FIELD THAT WAS BEING USED BY ULTRALIGHT PLTS. WITNESSES REPORTED THAT THE PLT ATTEMPTED TO LAND BY APPROACHING OVER TREES FROM SOUTH TO NORTH, BUT OVERSHOT THE 500 FT LANDING AREA. DURING A GO-AROUND, HE STRUCK GROUND VEHICLES IN A PARKING LOT AT THE NORTH END OF THE FIELD, BUT CONTINUED TO FLY. ON THE 2ND APPROACH, THE ULTRALIGHT CAME OVER TREES AT THE SOUTH END & EXECUTED A SERIES OF STAIR-STEP MANEUVERS ON THE APPROACH. AT APRX 60 FT AGL, THE VEHICLE NOSED OVER & STRUCK THE GROUND IN A STEEP DESCENT. NO PREIMPACT/MECHANICAL FAILURES WERE FOUND. THE INVESTIGATION DID NOT DETERMINE WHETHER OR NOT THE FLT WAS INTENTIONAL.

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

AIRCRAFT HANDLING..IMPROPER..PILOT IN COMMAND

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

INADEQUATE INITIAL TRAINING..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

LACK OF TOTAL EXPERIENCE..PILOT IN COMMAND


Contributing Factors

LACK OF TOTAL EXPERIENCE IN TYPE OF AIRCRAFT..PILOT IN COMMAND


Contributing Factors

STALL..INADVERTENT..PILOT IN COMMAND

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