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SAE ARP217D

M00007560

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SAE ARP217D Testing of Airplane Installed Environmental Control Systems (ECS)

standard by SAE International, 12/27/2021

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This document deals with ground and flight test of airplane installed environmental control systems (ECS). The ECS provide an environment, controlled within specified operational limits of comfort and safety, for humans, animals, and equipment. These limits include the following: pressure, temperature, humidity, ventilation air velocity, ventilation rae, wall temperature, audible noise, vibration, and environment composition (ozone, contaminants, etc.). The ECS are composed of equipment, controls, and indicators that supply, distribute, recycle and exhaust air to maintain the desired environment.