CHESTERFIELD, MO, USA
N45AJ
Gates Learjet LR-24D
THE ACFT WAS LANDED IN A THUNDERSTORM WITH A 16 KT LEFT QUARTERING TAILWIND. THE PLT WAS AWARE OF AN AREA ON THE RWY WHICH TENDED TO COLLECT WATER BUT DUE TO HEAVY PRECIPITATION THIS AREA COULD NOT BE VIEWED FROM THE COCKPIT. THE LEFT MAIN GEAR HYDROPLANED AS IT CONTACTED THIS AREA DURING THE LANDING ROLL RESULTING IN A 90 DEG RIGHT TURN. THE ACFT DEPARTED THE RIGHT SIDE OF THE RWY TRAVELING INTO ROUGH TERRAIN AT WHICH TIME THE LEFT MAIN GEAR PUNCTURED THE WING. HYDROPLANE MARKS WERE VISIBLE ON BOTH LEFT MAIN GEAR TIRES AFTER THE ACCIDENT.
Source: NTSB Aviation Accident Database
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