Army Helicopter Tarrain Collision Study
ARMY BOARD FOR AVIATION ACCIDENT RESEARCH FORT RUCKER AL
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This study contains analyses of 836 Army helicopter collisions with terrain obstacles which occurred during calendar year 1969. It summarizes major cause factors on a worldwide basis and presents recommendations to prevent recurrence of similar type mishaps. This study does not include figures on mishaps attributed to maintenance andor materiel malfunctions.
- Military Aircraft Operations