NTSB Identification: SEA84LA148.
The docket is stored on NTSB microfiche number 24475.
Accident occurred Sunday, June 24, 1984 in W SILVER SPRING, NV
Aircraft: GLASFLUGEL 604, registration: N165D
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE GLIDER PLT WAS RETURNING TO THE DOUGLAS COUNTRY ARPT AFTER A 470 MI X-COUNTRY FLT. WHILE AT ABOUT 10,000 FT, HE ENCOUNTER A DOWNDRAFT THAT WAS ASSOCIATED WITH A NEARBY THUNDERSTORM & LOST ABOUT 7000 FT IN 7 MILES. HE ELECTED TO LAND ON A HIGHWAY. JUST AS HE HAD EXTENDED THE GEAR & WAS LANDING, HE SAW A LARGE CAUTION SIGN, BUT WAS UNABLE TO FLY OVER IT. THE RIGHT WING STRUCK THE SIGN & WAS TORN OFF.

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

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..SELECTED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..THUNDERSTORM


Contributing Factors

WEATHER CONDITION..DOWNDRAFT

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