This SAE Aerospace Standard (AS) covers internal combustion heat exchanger type heaters used in the following applications: a) cabin heating (all occupied regions and windshield heating); b) wing and empennage anti-icing; c) engine and accessory heating (when heater is installed as part of the aircraft); d) aircraft de-icing. This document details the minimum safety, performance, design, and testing requirements for internal combustion heaters and certain auxiliary devices that are considered necessary for the utilization of heaters in fixed and rotary wing aircraft. This standard is to be considered currently applicable and necessarily subject to revision from time to time due to advances in the aircraft industry. This standard is based on practical engineering requirements for aircraft heaters currently in use and is applicable to aircraft heaters that shall be developed to meet future requirements. The requirements of this standard are primarily intended to be applicable to civil aircraft whose primary function is transporting passengers or cargo.
SAE AS8040A-1996 history
2019SAE AS8040C-2019 Heater and Accessories, Aircraft Internal Combustion Heat Exchanger Type
2013SAE AS8040B-2013 Heater, Aircraft, Internal Combustion Heat Exchanger Type
2008SAE AS8040A-2008 Heater, Aircraft Internal Combustion Heat Exchanger Type
1996SAE AS8040A-1996 Heater, Aircraft Internal Combustion Heat Exchanger Type
1988SAE AS8040-1988 HEATER, AIRCRAFT INTERNAL COMBUSTION HEAT EXCHANGER TYPE