Primary finding
Probable cause
the pilot's failure to ensure a proper preflight and the groundcrew's failure to remove the tiedown. Factors were pilot and groundcrew fatigue.
NTSB investigation record
Continental copters El tomcat mk-5A· N7MH
Primary finding
the pilot's failure to ensure a proper preflight and the groundcrew's failure to remove the tiedown. Factors were pilot and groundcrew fatigue.
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