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Standard

SOLID-STATE FREQUENCY CONVERTER 400 HERTZ, 3-PHASE OUTPUT

1989-09-01
HISTORICAL
ARP1940
This specification covers the requirements for solid-state frequency converters with 480 [or 380] V 3-phase, 60 [or 50] Hz input and 115/200 V, 3-phase, 400 Hz output capable of powering aircraft type loads requiring MIL-STD-704D quality power. The frequency converter shall be a self-contained unit suitable for the environment of intended use. Typical applications include dedicated use at passenger loading bridges (mounted under the bridge in telescoping bridge applications or fixed installation at base of stationary type loading bridges) with weatherproof enclosures or hangar/lab use where indoor fixed or portable units can be used.
Standard

EMERGENCY EVACUATION ILLUMINATION

1989-08-29
HISTORICAL
ARP503E
This Aerospace Recommended Practice (ARP) provides criteria for design and location of power supplies, controls, light fixtures, and associated equipment which are used to provide emergency illumination in transport aircraft, designed to FAR 25 (Ref. 1) for operation under FAR 91 and FAR 121 (Ref. 2), and also in compliance with FAA Advisory Circular AC25.812-1A (Ref. 3). It is not the purpose of an ARP to specify design methods to be followed in the accomplishment of the stated objectives.
Standard

AIRBORNE VOR RECEIVER

1989-08-01
CURRENT
ARIC579-2
This standard sets the basic requirements for a VOR receiver, whose function is to receive and process VOR signals in the frequency band 108.00 to 117.95 MHz. Provides traditional analog outputs and a digital output of omni bearing.
Standard

Acoustical Considerations for Aircraft Environmental Control System Design

1989-07-01
HISTORICAL
AIR1826
This Aerospace Information Report (AIR) is limited in scope to the general consideration of environmental control system noise and its effect on occupant comfort. Additional information on the control of environmental control system noise may be found in the bibliography and in the documents referenced throughout the text. This document does not contain sufficient direction and detail to accomplish effective and complete acoustic designs.
Standard

Ice, Rain, Fog, and Frost Protection

1989-07-01
HISTORICAL
AIR1168/4
This section presents the basic equations for computing ice protection requirements for nontransparent and transparent surfaces and for fog and frost protection of windshields. Simplified graphical presentations suitable for preliminary design, and a description of various types of ice, fog, frost, and rain protection systems are also presented.
Standard

Steel, Sheet and Strip, 0.15 Carbon, Maximum Forming Grade

1989-07-01
HISTORICAL
AMS5042J
This specification has been declared “NONCURRENT” by the Aerospace Materials Division, SAE, as of August 2009. It is recommended, therefore, that this specification not be specified for new designs. “NONCURRENT” refers to those specifications which have previously been widely used and which may be required for production or processing of existing designs in the future. The Aerospace Materials Division, however, does not recommend these specifications for future use in new designs. “NONCURRENT” specifications are available from SAE upon request.
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