SAE AIR1850A
SAE AR1850A 1997-JUN-01 Twn Engne Helcopter Power Requrements
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1. SCOPE:
This SAE Aerospace Information Report (AIR) defines the power spectrum during normal and emergency operations of a twin engine helicopter and thereby postulates suitable power plant rating structures. This document does not address the power requirements for single engine helicopters or those with more than two engines.