NTSB Identification: DEN86FA213.
The docket is stored on NTSB microfiche number 32707.
Accident occurred Thursday, July 31, 1986 in RAWLINS, WY
Aircraft: THORP T-18, registration: N85JJ
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.

THE ACCIDENT ACFT, A THORP T-18, WAS ONE OF FOUR ACFT (QUICKIE II, VARIEZE, LONGEZE) IN A LOOSE FORMATION THAT WAS EN ROUTE TO THE ANNUAL EAA CONVENTION AT OSHKOSH, WI. THE ACFT DEPARTED REDDING, CA, AT 0500 PDT, REFUELED AT WENDOVER, UT, AND DEPARTED THERE AT 1100 MDT. AT ABOUT 1230 MDT, WHILE IN CRUISE FLT AT 9500 FT MSL OVER I-80, ABOUT 5 MI WEST OF RAWLINS, WY, THE SPINNER ON THE QUICKIE II CAME LOOSE AND BROKE OFF A PROP BLADE. THE PLT DECLARED AN EMERGENCY AND MADE A SUCCESSFUL DOWNWIND DEAD-STICK LANDING AT ROWLINS ARPT. THE OTHER ACFT CIRCLED OVERHEAD. THE THORP WAS LAST SEEN PULLING UP AND BANKING RIGHT. NONE OF THE PILOTS SAW THE THORP T-18 CRASH. TWO GROUND WITNESSES SAID THAT THE ACFT WAS EITHER 'WIG-WAGGING ITS WINGS' OR DOING AEROBATICS. THE PLT WAS SAID TO BE 'A RELATIVELY LOW TIME PLT' WITH ABOUT 40 HRS IN MAKE/MODEL. ADDITIONALLY, IT WAS SAID THAT THIS FLT WAS THE PLT'S 'FIRST REALLY LONG X-COUNTRY.'

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

AIRSPEED(VS)..BELOW..PILOT IN COMMAND

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

STALL..INADVERTENT..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

DIVERTED ATTENTION..PILOT IN COMMAND


Contributing Factors

ALTITUDE..INADEQUATE..PILOT IN COMMAND


Contributing Factors

REMEDIAL ACTION..NOT POSSIBLE..PILOT IN COMMAND

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