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SAE AIR1204 Revision A, June 1, 2009
Complete Document
Active, Most Current
(R) Control of Water Carryover from the Environmental Control System and Condensation on the Structure
Includes all amendments and changes through Reaffirmation Notice , December 2014
Page Count:15
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AIA/NAS Aerospace Standards
This Aerospace Information Report (AIR) outlines the design considerations and criteria for the control of water carryover from the environmental control system (ECS) with respect to causes and indicated corrective or preventative action. In addition, condensation on structure will be reviewed with possible preventative action described. 


This publication will discuss water carryover from the environmental control system and condensation on structures, with the following purpose:

a. To define sources of water that may cause condensation in the aircraft.

b. To outline means for minimizing or controlling the condensate. 

Field of Application

The material presented herein is primarily applicable to multi-engine transport airplanes, but in some cases may apply to other types of aircraft, military or civil.