Autorotation is heavily relied on as a rotary wing (R/W) emergency maneuver. Previous studies have implied that skills developed and maintained during practice of this maneuver result in a reduction of error in an actual emergency. Because of the large number of accidents occurring while touchdown autorotations are being practiced, conditions under which such practice is permitted have become more stringent. With increasing restrictions on the practice of touchdown autorotations, the question that ultimately arises is, 'What would happen if such practice was terminated.' In other words, what is the accident risk of possible reductions in emergency autorotation proficiency as a tradeoff for no accidents in practicing touchdown autorotations. Obviously, the need to practice touchdown autorotations has generated considerable controversy. This report analyzes the responses of 7,602 Army aviators in 1971 concerning their opinions about the necessity for practicing touchdown autorotations. Results indicate participating Army aviators strongly favor continuing a policy practicing touchdown autorotations. Validity of this opinion was tested by comparison of aviator responses across a wide range of background and experience. This opinion is more extreme for participating aviators who are exposed more to situations that may require execution of an emergency autorotation, (i.e., rotary-wing-only qualified aviators flying single engine aircraft a high number of hours annually). The strength and consistent nature of the aviators' responses indicate this opinion is unlikely to change in the near future.


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