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SAE AS8028

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SAE AS8028 1980 Edition, April 1980 Powerplant Fire Detection Instruments Thermal & Flame Contact Types (Reciprocating and Turbine Engine Powered Aircraft)

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Description / Abstract: This Standard covers the following basic types of fire detection instruments, or combinations thereof, intended for use in protecting aircraft powerplant installation, auxiliary powerplants, combustion heaters and other installations where fuel, oil or similar fires may occur.

Type I: Thermal - Fixed Temperature, an instrument which will actuat an alarm signal when exposed to any temperature above a definite pre-established level.

Type II: Thermal - Rate of Rise, an instrument which will actuate an alarm signal when exposed to any rate of temperature change above a definite pre-established level.

Type III: Flame - Contact, an instrument which will actuate an alarm signal when exposed to physical contact with flame.

Range The range and/or setting of the instrument shall be as marked on the instrument.

The following documents shall form a part of this specification to the extent specified herein:

Radio Technical Commission of Aeronautics (RTCA) Document DO-160 "Environmental Conditions and Test Procedures for Airborne Electronic/Electrical Equipment and Instruments," dated 28 February 1975 (copies may be obtained from the RTCS Secretariat, 1717 H Street, N. W. Washington, D. C. 20006).

"Rules for SAE use of SI (metric) units - SAE document J 916B," dated July 1976 - Copies may be obtained from Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA., 15096.