NTSB Identification: LAX84LA257.
The docket is stored on NTSB microfiche number 24321.
Accident occurred Sunday, April 15, 1984 in GLENDALE, AZ
Aircraft: RAVEN S-55A-707, registration: N5717H
Injuries: 1 Serious,1 Minor,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.

DURING A SIGHT-SEEING FLT, THE WINDS, OUTSIDE AIR TEMP & PROPANE GAS BURNER TEMP BEGAN INCREASING, SO THE PLT ELECTED TO LAND. HE NOTIFIED THE CHASE CREW, STARTED A DESCENT & ANTICIPATED MAKING A 'DROP LINE' LANDING. AS THE BALLOON BEGAN CROSSING OVER A DRY RIVER AT ABOUT 200 FT AGL, IT WAS DESCENDING AT APRX 75 FT/MIN. THE PLT STATED THAT AT ABOUT THAT TIME, A DOWNDRAFT FORCED THE BALLOON TO THE RIVER BED, THEN THE WIND DRAGGED IT INTO THE RIVER BANK. OBSERVERS SAID THE TOP OF THE BALLOON WAS SUDDENLY DISTORTED FROM DOWNDRAFT. THE PLT STATED EVERYTHING WAS NORMAL, THEN 'THE WIND HIT THE BALLOON' & THERE WERE 'NO TREES, FLAGS, SMOKE OR DUST TO ANTICIPATE THE WIND SHEAR.'

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

WEATHER EVALUATION..IMPROPER..PILOT IN COMMAND

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

WEATHER CONDITION..WINDSHEAR


Contributing Factors

WEATHER CONDITION..DOWNDRAFT

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