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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

Ground Support Equipment Hydraulic Systems, Design and Installation, Recommended Practices for

2022-12-16
CURRENT
ARP4943A
This SAE Aerospace Recommended Practice (ARP) covers the design and installation requirements for hydraulic systems (up to 8000 psig [56 MPa]) for ground support equipment (GSE). This ARP is derived from AS5440, which provides hydraulic system requirements for aircraft. The recommendations herein are primarily intended for GSE that exchange hydraulic fluid with the aircraft, such as hydraulic service carts, rather than GSE with non-interfacing hydraulic systems. The GSE may be mobile, portable, or stationary.
Standard

Aircraft Maintenance Jacks - General Requirements

2021-09-30
CURRENT
AS4775B
This document covers the general requirements for hydraulic aircraft jacks. It can be applied to tripod, unipod, and axle jacks that may be used on open ramp areas as well as in the aircraft hangar. Throughout this Aerospace Standard, the minimum essential criteria are identified by the key word “shall”. Recommended criteria are identified by use of the key word “should”. Deviation from recommended criteria should only occur after careful consideration and thorough service evaluation have shown alternate methods to provide an equivalent level of safety. The term “vertical load” throughout this Aerospace Standard is defined as the force imposed on the aircraft jack at the airframe jack point.
Standard

GSE Training Videos

2021-04-08
CURRENT
AIR4730A
This document provides information on the preparation and use of video for operational and maintenance training of qualified personnel associated with GSE.
Standard

Main Line Aircraft Tow Bar Attach Fitting Interface

2021-04-08
CURRENT
AS1614D
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 pounds), 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

Fuels in Ground Support Equipment (Other Than Gasoline or Diesel)

2020-09-23
CURRENT
AIR5373A
This SAE Aerospace Information Report (AIR) is intended as a source of comparative information and is subject to change to keep pace with experience and technical advances. This document describes currently used fuels and fuels which may be used in the future. Conventional gasoline and diesel fuels are intentionally omitted from this document.
Standard

Maintenance of Ground Support Equipment

2020-09-23
CURRENT
AIR4286
The following are suggested policies, procedures, and practices required to maintain mobile and fixed ground support equipment at airport passenger and cargo terminals. The principal purpose for ground support equipment maintenance is to provide the owner/user with safe, serviceable equipment, in good appearance, at minimal cost, and with minimum downtime. Maintenance programs initiated on ground support equipment must also conform to regulations controlling airport operations. This document has been divided into three sections corresponding to the three stages of equipment life; acquisition, maintenance, and disposal.
Standard

Design Specification for Towbarless Tow Vehicles

2013-01-04
HISTORICAL
ARP4853C
The tow vehicle should be designed for towbarless movement of aircraft on the ground. The design will ensure that the unit will safely secure the aircraft nose landing gear within the coupling system for any operational mode.
Standard

Nose Gear Towbarless Tow Vehicle Basic Test Requirements

2012-09-24
HISTORICAL
ARP5283A
The purpose of this specification is to provide airplane operators and tow vehicle manufacturers with: a General design and operating requirements pertinent to test and evaluation of towbarless tow vehicles. Specific design requirements are provided in ARP4852 and ARP4853. b Test and evaluation requirements. The results of these test evaluations will determine if the loads induced by the tow vehicle will exceed the design loads of the nose gear, or are within the aircraft manufacturer’s limits so that they do not affect the certified safe limit of the nose gear. The results of these test evaluations will also determine if a stability problem may occur during pushback and/or maintenance towing operations with the tested airplane/tow vehicle combination. This document specifies general test requirements and a test evaluation procedure for towbarless tow vehicles (TLTV) intended for pushback and maintenance towing only.
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