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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.

This SAE Aerospace Information Report (AIR) is intended to cover all airport 50 or 60 Hz electrical systems as well as all electrical utilization equipment that is attached to those systems.

This recommended practice outlines the general requirements of a continuous duty, electric motor-driven brushless alternator unit for supplying 400 Hz electrical power to high performance commercial transport aircraft. This specification is for a single motor-generator set with one or two outputs. The generator set will generate at the aircraft voltage of 115/200 volts. This unit may be used in a central system of small size or in hangar or electronic shop applications. Power characteristics of this unit at the receptacle will meet MIL-Standard-704 requirements. Other limits which are necessary to meet specific conditions must be specified by the purchaser.

The tow vehicle should be designed for towbarless push-back and/or maintenance towing of regional type aircraft as specified in 1.3. The design will ensure that the unit will safely secure the aircraft nose landing gear within the coupling system for any operational mode. The purpose of this towing procedure is to achieve a safer and faster operation than is possible with conventional towing equipment.

This Recommended Practice outlines the electrical performance characteristics for a continuous duty, diesel or gasoline engine driven brushless alternator unit for supplying 400-Hertz electrical power to commercial transport aircraft. It is intended to assist the airlines in standardizing recommendations for various sizes and configurations of equipment and it is a guide for the preparation of detailed specifications. The unit is primarily intended to supply power to the aircraft during passenger loading and unloading, and during servicing operations. The combination of the equipment specified herein and the interconnecting cables(s) between the 400-Hertz alternator and the aircraft shall provide power characteristics at the aircraft receptacle which meet MIL-STD-704 requirements for Category "B" equipment. Other limits which are necessary to meet specific conditions must be specified by the purchaser.

This Recommended Practice outlines the general requirements for a transportable self-contained, continuous duty, diesel engine driven brushless alternator unit for supplying 400-Hertz electrical power to high performance commercial transport aircraft. It is intended to assist the airlines in standardardizing recommendations for various sizes and configurations of equipment and it is a guide for the preparation of detailed specifications by the purchaser. The unit is primarily intended to supply power to the aircraft during passenger loading and unloading, and during servicing operations at airports throughout the world. The combination of the equipment specified herein and the interconnecting cable(s) between the 400-Hertz alternator and the aircraft shall provide power characteristics at the aircraft receptacle which meet MIL-STD-704A requirements for Category "B" equipment. Other limits which are necessary to meet specific conditions must be specified by the purchaser.

This SAE Aerospace Recommended Practice (ARP) outlines the design and performance requirements for a battery-powered electric tow tractor for the handling of baggage or cargo trailers in airline service. The use of “shall” in this document indicates a mandatory requirement. The use of “should” indicates a recommendation or that which is advised but not required.

This SAE Aerospace Recommended Practice (ARP) outlines the design and performance requirements for a battery-powered electric tow tractor for the handling of baggage or cargo trailers in airline service. The use of “shall” in this document indicates a mandatory requirement. The use of “should” indicates a recommendation or that which is advised but not required.

This SAE Aerospace Recommended Practice (ARP) specifies pictographic symbols for ground support equipment. They have been compiled for the benefit of those who deal with such equipment like airlines, airport authorities, manufacturers etc. in order to facilitate fast and accurate identification of controls, indicators, and decals of powered and unpowered equipment. This document shall promote standardization of terms for controls, indicators etc. of ground support equipment and eliminate language problems. It is recommended to put these pictograms on all future equipment and to retrofit all existing equipment as far as possible.

This document applies to special purpose equipment which is used in the ground handling, servicing, and maintenance of transport aircraft. Fixed airport facilities and equipment covered under other sections of Part 1910 of Code of Federal Regulations (OSHA) are excluded from the scope of this document.

This document applies to special purpose equipment which is used in the ground handling, servicing, and maintenance of transport aircraft. Fixed airport facilities and equipment covered under other sections of Part 1910 of Code of Federal Regulations (OSHA) are excluded from the scope of this document.

This document applies to special purpose equipment, excluding fixed facilities, which is used in the ground handling, servicing, and maintenance of aircraft. Equipment covered under other sections of the Federal Register Part 1910 is excluded from this document. This document is to establish minimum safety requirements and should not be used for vehicle design criteria. Equipment existing prior to publication date is excluded from the requirements of this document.

This Aerospace Information Report (AIR) is presented in two parts. The first part is simply a summarization of design factors that must be considered in establishing vehicle specifications and design characteristics. The second part refers particularly to the performance characteristics of an aircraft tow tractor. Some definitions, formulas, data, and an example are provided mainly for assisting the specifying engineers of potential buyers and users of aircraft tow tractors in the evaluation and comparison of their requirements with the performance capabilities of the various tow tractors offered by the tow tractor manufacturers. Although the design engineers could also use the formulas and data in their calculations of the performance specifications of aircraft tow tractors, this AIR is not intended to provide the methods and all data necessary for detailed calculations and design of an aircraft tow tractor.

This SAE Aerospace Recommended Practice (ARP) covers the requirements for ground power equipment that supplies 115/200 V, 3-phase, 400 Hz output capable of powering aircraft type loads requiring MIL-STD-704E/DFS-400 quality power. All forms of ground power including mobile and fixed systems are addressed by this document. High voltage (270 V DC) systems are not included in this specification.

This SAE Aerospace Recommended Practice (ARP) covers the requirements for ground power equipment that supplies 115/200 V, 3-phase, 400 Hz output capable of powering aircraft type loads requiring MIL-STD-704E/DFS-400 quality power. All forms of ground power including mobile and fixed systems are addressed by this document. High voltage (270 V DC) systems are not included in this specification.