Aviation Accident Summaries

Aviation Accident Summary SEA89LA150

MINDEN, NV, USA

Aircraft #1

N300Y

SCHLEICHER ASW-20BL

Analysis

DURING A LOCAL PLEASURE FLIGHT, WHILE STILL IN TOW, THE TOW PLT TRANSMITTED TO THE GLIDER. THE GLIDER PLT COULD NOT UNDERSTAND THE TRANSMISSION AND SHORTLY THEREAFTER NOTED THAT THE TOW PLANES RUDDER WAS WAGGING. THE GLIDER PLT THOUGHT THAT THE TOW PLT WANTED HIM TO RELEASE. THE GLIDER PLT RELEASED FROM THE TOW AT APRX 100' AGL WHICH RESULTED IN A HARD LANDING. LATER, THE GLIDER PLT WAS NOTIFIED THAT THE REASON FOR THE TRANSMISSION AND THE RUDDER WAG WAS THAT HE WAS BEING NOTIFIED THAT THE SPOILERS HAD DEPLOYED. THE PLT DID NOT CHECK DURING THE PREFLIGHT INSPECTION IF THE SPOILERS HAD BEEN LOCKED.

Probable Cause and Findings

MISUNDERSTOOD EMERGENCY PROCEDURES, THE GLIDER PILOT RELEASED FROM THE TOW WHICH RESULTED IN A HARD LANDING. THE PILOT'S PREFLIGHT OF THE GLIDER AND RADIO COMMUNICATIONS WERE INADEQUATE BEFORE AND DURING THE FLIGHT.

 

Source: NTSB Aviation Accident Database

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