SAN MARCOS, CA, USA
N4767H
PIPER PA-11
THE 2 PLTS TOOK OFF ON AN INSTRUCTIONAL FLT WHICH WAS TO BE A BIENNIAL FLT REVIEW FOR THE ACFT OWNER. DURING THE FLT, THE PLTS FLEW TO A DIRT STRIP ON A SADDLEBACK BETWEEN 2 MTN PEAKS NEAR SAN MARCOS. SUBSEQUENTLY, THE ACFT STRUCK A BOULDER & CRASHED NEAR THE NORTHEAST END OF THE STRIP. THERE WERE NO KNOWN WITNESSES TO THE ACDNT. THERE WAS EVIDENCE THE ACFT HAD STRUCK THE BOULDER AFTER THE PLTS MADE A LOW PASS OVER THE STRIP ON A NORTHEASTERLY HDG. THE ACFT CAME TO REST ABOUT 30 FT NORTHEAST OF THE BOULDER WITH EXTENSIVE DAMAGE. THE PROP BLADES CONTAINED CHORDWISE SCORING & MASSIVE SMEARING OR LEADING EDGE DAMAGE. NO PREIMPACT MECHANICAL PROBLEM WAS EVIDENT. AN EXAM OF THE RWY REVEALED NO INDCN OF THE ACFT TOUCHING DOWN BEFORE IMPACT. EVIDENCE WAS INCONCLUSIVE AS TO WHICH PLT WAS MANIPULATING THE CONTROLS WHEN THE ACDNT OCCURRED. ON THIS FLT, THE OWNER WAS CONSIDERED TO BE THE PLT-IN-COMMAND.
Source: NTSB Aviation Accident Database
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