Browse Standards ARP1702A
Current Revised 1998-09-01

Defining and Measuring Factors Affecting Helicopter Turbine Engine Power Available ARP1702A

The purpose of this Aerospace Recommended Practice (ARP) is to define a method of measuring those factors affecting installed power available for helicopter power plants. These factors are installation losses, accessory power extraction, and operational effects. Accurate determination of these factors is vital in the calculation of helicopter performance as described in the flight manual. It is intended that the methods herein prescribe and define each factor as well as an approach to measuring said factor. Only standard installations of turboshaft engines in helicopters are considered. Special arrangements leading to high installation losses, such as the fitting of an infrared suppressor may require individual techniques for the determiantion and definition of engine installation losses.
ARP1702A
1998-09-01
Latest
Revised
ARP1702
1982-04-30
Historical
Issued

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