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AIRCRAFT LANDING GEAR

1995-01-01
HISTORICAL
ARP1311A
This SAE Aerospace Recommended Practice (ARP) applies to landing gear structures and mechanisms (excluding wheels, tires, and brakes) for all types and models of civil and military aircraft applications. All axles, wheel forks, axle beams, links, arms, mechanical and air-oil energy absorbers braces, lock assemblies, trunnion beams, etc., that sustain loads originating at the ground, and that are not integral parts of the airframe structure should be designed in accordance with this document. Hydraulic actuators (retraction, steering, positioning, and/or damping) should also be included in this coverage. It should be the responsibility of the airframe manufacturer to determine the compatibility of these needs with the aircraft and to specify requirements in excess of these minima where appropriate.
Standard

AIRCRAFT NOSE WHEEL STEERING/CENTERING SYSTEMS

1991-03-01
HISTORICAL
AIR1752
This document covers both military aircraft (land-based and ship-based) and commercial aircraft. It is intended that the document be continually updated as new aircraft and/or new "lessons learned" become available.
Standard

AIRCRAFT TAIL BUMPERS

1984-09-01
HISTORICAL
AIR1800
This document covers the field of civilian, commercial and military airplanes and helicopters. This summary of tail bumper design approaches may be used by design personnel as a reference and guide for future airplanes and helicopters that require tail bumpers. Those described herein will consist of simple rub strips, structural loops with a wear surface for runway contact, retractable installations with replaceable shock absorbers and wear surfaces and complicated retractable tail landing gears with shock strut, wheels and tires. The information will be presented as a general description of the installation, its components and their functions.
Standard

ARRESTING HOOK INSTALLATION, LAND BASED AIRCRAFT, EMERGENCY

1978-04-01
HISTORICAL
ARP1538
This document covers the recommended criteria and performance requirements for the design and installation of an aircraft emergency arresting hook intended for use with emergency runway arresting systems. Design criteria for fully operational hooks and for carrier based aircraft hook installations are contained in specification MIL-A-18717.
Standard

Aircraft Landing Gear

1999-06-01
HISTORICAL
ARP1311B
This SAE Aerospace Recommended Practice (ARP) applies to landing gear structures and mechanisms (excluding wheels, tires, and brakes) for all types and models of civil and military aircraft including all aircraft with vertical landing and crash attenuation requirements. All axles, wheel forks, axle beams, links, arms, mechanical and nitrogen/oil energy absorbers, lock assemblies, braces, trunnion beams, and truck beams etc., that sustain loads originating at the ground, and that are not integral parts of the airframe structure, should be designed in accordance with this document. Hydraulic actuators (retraction, main and nose gear steering, positioning, and/or damping) should also be included in this coverage.
Standard

Aircraft Nosewheel Steering Systems

1997-03-01
HISTORICAL
ARP1595A
This document provides recommended practices for the design, development, and verification testing of aircraft nosewheel steering (NWS) systems.
Standard

Aircraft Nosewheel Steering/Centering Systems

1996-06-01
CURRENT
AIR1752A
The intent of this AIR is twofold: (1) to present descriptive summary of aircraft nosewheel steering and centering systems, and (2) to provide a discussion of problems encountered and “lessons learned” by various airplane manufacturers and users. This document covers both military aircraft (land-based and ship-based) and commercial aircraft. It is intended that the document be continually updated as new aircraft and/or new “lessons learned” become available.
Standard

Aircraft Tail Bumpers

1997-07-01
CURRENT
AIR1800A
This SAE Aerospace Information Report (AIR) covers the field of civilian, commercial and military airplanes and helicopters. This summary of tail bumper design approaches may be used by design personnel as a reference and guide for future airplanes and helicopters that require tail bumpers. Those described herein will consist of simple rub strips, structural loops with a wear surface for runway contact, retractable installations with replaceable shock absorbers and wear surfaces and complicated retractable tail landing gears with shock strut, wheels and tires. The information will be presented as a general description of the installation, its components and their functions.
Standard

Arresting Hook Installation, Land Based Aircraft, Emergency

1998-02-01
HISTORICAL
ARP1538A
This document covers the recommended criteria and performance requirements for the design and installation of an aircraft emergency arresting hook intended for use with emergency runway arresting systems. Design criteria for fully operational hooks and for carrier based aircraft hook installations are contained in specification MIL-A-18717.
Standard

Arresting Hook Installation, Land-Based Aircraft

2007-10-11
CURRENT
ARP1538B
This SAE Aerospace Recommended Practice (ARP) covers the recommended criteria and performance requirements for the design and installation of land-based aircraft emergency and operational arresting hooks for use on runway arresting systems. Design criteria for fully operational hooks and for carrier-based aircraft hook installations are contained in specification MIL-A-18717.
Standard

Component Traceability Requirements for Life Limited Parts

2019-04-18
WIP
ARP6943
This document contains the recommended practices for the traceability of civil aircraft life limited parts. A unified means of tracking flight cycles, flight hours, and calendar time is provided which will ease the interchange of parts between companies and through the component's life cycle. A harmonized means of providing 'back to birth traceability' is provided.
Standard

Composite Secondary and Tertiary Structure for Landing Gear

2019-04-29
WIP
AIR6827
This document will contain guidance and considerations for the use of composite materials on non-primary structure for landing gear systems. Content to include design considerations, conditions and applications where composites are feasible/beneficial, high-level descriptions of various manufacturing processes, and certification/validation considerations.
Standard

Crack Initiation and Growth Considerations for Landing Gear Steel With Emphasis on Aermet 100

2004-12-27
CURRENT
AIR5052A
Steel alloys, such as AF1410 (AMS 6527, UNS K92571) and AerMet 100 (AMS 6532), have been developed which have improved Fracture Toughness characteristics compared to the current landing gear steel alloy, 300M (AMS 6419 and AMS 6257, MIL-S-8844, UNS K44220). The 300M steel is the most widely used material in current landing gear designs. It has been successfully used in thousands of applications. The use of the 300M material necessitates a safe life design criterion where components are retired after on-fourth to one-sixth the laboratory test life. This criterion was established in part due to the relative low fracture toughness of low-alloy steel in the 260 to 300 ksi strength range. The high fracture tough alloys give comparable strength levels with an increase in fracture toughness and better resistance to stress corrosion cracking. These alloys may make possible the consideration of new procedures for operation, maintenance, and inspection.
Standard

Crashworthy Landing Gear Design

1992-07-01
HISTORICAL
AIR4566
The intent of this SAE Aerospace Information Report (AIR) is to document the design requirements and approaches for the crashworthy design of aircraft landing gear. This document covers the field of commercial and military airplanes and helicopters. This summary of crashworthy landing gear design requirements and approaches may be used as a reference for future aircraft.
Standard

Crashworthy Landing Gear Design

2010-05-04
CURRENT
AIR4566A
The intent of this SAE Aerospace Information Report (AIR) is to document the design requirements and approaches for the crashworthy design of aircraft landing gear. This document covers the field of commercial and military airplanes and helicopters. This summary of crashworthy landing gear design requirements and approaches may be used as a reference for future aircraft.
Standard

DESIGN, DEVELOPMENT AND TEST CRITERIA - SOLID STATE PROXIMITY SWITCHES/SYSTEMS FOR LANDING GEAR APPLICATIONS

1986-07-09
HISTORICAL
AIR1810A
This document will examine the more important considerations relative to the utilization of "one piece", or integral electronics proximity switches, and "two piece", or separate sensor and electronics proximity switches, for applications on aircraft landing gear. In general, the recommendations included are applicable for other demanding aircraft sensor installations where the environment is equally severe.
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