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Standard

Impulse Towing Loads

2023-04-03
CURRENT
AIR6906
This SAE Aerospace Information Report (AIR) provides information about impulse loads that occur during normal aircraft towing operations. An instrumented tow bar was used to characterize towing loads. Suggestions to minimize impulse loads by reducing the tow bar to tow vehicle gap are described.
Standard

Design and Safety Criteria for Passenger Boarding Stairways

2012-03-28
CURRENT
ARP836C
This SAE Aerospace Recommended Practice (ARP) is broken into various categories for convenience and ease of identification. It is the purpose of this document to provide certain criteria for the design and selection of stairways, for the boarding of passengers onto an aircraft. The criteria presented are limited to those factors which affect the safety of the passengers and are coordinated, where applicable, with the practices of the architectural profession, with respect to the design of stairways. The recommended practices are applicable to both mobile variable-elevation type stairways and to fixed-elevation stairways of the type built into an aircraft fuselage.
Standard

Main Line Aircraft Tow Bar Attach Fitting Interface

2010-08-24
HISTORICAL
AS1614C
This SAE Aerospace Standard (AS) specifies the interface requirements for tow bar attachment fittings on the nose gear (when towing operations are performed from the nose gear) of conventional tricycle type landing gears of commercial civil transport aircraft with a maximum ramp weight higher than 50 000 kg (110 000 lb), commonly designated as “main line aircraft”. Its purpose is to achieve tow bar attachment fittings interface standardization by aircraft weight category (which determines tow bar forces) in order to ensure that one single type of tow bar with a standard connection can be used for all aircraft types within or near that weight category, so as to assist operators and airport handling companies in reducing the number of different tow bar types used.
Standard

Method of Testing Pre-Conditioned Air Equipment

2008-04-15
HISTORICAL
ARP5374A
This SAE Aerospace Recommended Practice (ARP) applies to Point-Of-Use, Central and Mobile Pre-Conditioned Air Equipment. It does not apply to aircraft mounted equipment.
Standard

400 Hz Connection Aircraft Electrical Maintenance Procedures

2008-03-28
HISTORICAL
AIR4365A
This SAE Aerospace Information Report (AIR) describes field-level procedures to determine if 400 Hz electrical connections for external power may have been subjected to excessive wear, which may result in inadequate disengagement forces.
Standard

400-CYCLE GROUND POWER UNIT PROVISIONS FOR AIRCRAFT ELECTRICAL SYSTEM PROTECTION

2002-12-16
CURRENT
ARP760
This SAE Recommended Practice which defines the terms and tabulates the limits of the characteristics for various protective devices used in conjunction with 400-cycle ground power for civil aircraft is intended to assist the airlines in standardizing on 400-cycle protective systems. The limits found to be acceptable in the civil aircraft industry are presented.
Standard

CUSHION TOW HITCHES TEST

1974-05-01
HISTORICAL
AIR1353
The main purpose of this test was to determine the application advantages of cushion tow hitches in comparison to the commonly used rigid tow hitch type fitted on heavy aircraft towing tractors. As diverse opinions emerged about its suitability since the introduction on the market of this new tow hitch type, it was intended to physically measure and evaluate the damping capability of this cushioned tow link when applied in practice.
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