NTSB Identification: DEN88LA081.
The docket is stored on NTSB microfiche number 35467.
Accident occurred Sunday, February 28, 1988 in LOS LUNAS, NM
Probable Cause Approval Date: 04/25/1989
Aircraft: RAVEN S55A, registration: N81DS
Injuries: 1 Serious.

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 PLT REPORTS THAT THE WIND WAS LIGHT DURING TAKEOFF AND WHILE CRUISING. WHEN THE PLT DESCENDED FOR LANDING HE ENCOUNTERED STRONG, GUSTY WINDS FROM ABOUT 50 TO 60 FT AGL DOWN TO THE GROUND. ACCORDING TO THE PLT, THESE STRONG, LOCALIZED WINDS ARE UNPREDICTABLE AND OCCUR ON AN INFREQUENT BASIS. WHEN THEY ARE ENCOUNTERED DURING LANDING, THEY RESULT IN A RAPID DESCENT TO THE GROUND, DESCRIBED BY BALLOONISTS AS A 'FALSE HEAVY.' IN THIS CASE THE PLT ADDED HEAT AS SOON AS HE ENCOUNTERED THE FALSE HEAVY, HOWEVER THE RAPID DESCENT CONTINUED AND THE BALLOON TOUCHED DOWN HARD TWICE RESULTING IN DAMAGE TO THE BALLOON AND INJURY TO THE PLT. THE BALLOON THEN ASCENDED TO THE CALM WINDS ABOVE 60 FT AND A NORMAL HIGH WIND LANDING WAS ACCOMPLISHED.

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

WIND INFORMATION..MISREAD..PILOT IN COMMAND

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

COMPENSATION FOR WIND CONDITIONS..INADEQUATE..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..DOWNDRAFT


Contributing Factors

WEATHER CONDITION..UNFAVORABLE WIND

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