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Standard

Steel, Bars, 0.95Cr - 0.20Mo (0.28 to 0.33C) (SAE 4130), Normalized

1988-10-01
HISTORICAL
AMS6348A
This specification covers an aircraft-quality, low-alloy steel in the form of bars. These bars have been used typically for parts, 0.50 inch (12.7 mm) and under in section thickness at time of heat treatment, requiring a through-hardening steel capable of developing hardness as high as 35 HRC when properly hardened and tempered and also parts of greater thickness but requiring proportionately lower hardness, but usage is not limited to such applications.
Standard

NIGHT VISION GOGGLE (NVG) COMPATIBLE LIGHT SOURCES

1988-09-19
HISTORICAL
ARP4168
This ARP covers three common lamp light sources, incandescent, electroluminescent and light emitting diode that, when NVG filtered, can be used to illuminate NVG compatible aerospace crew stations. It is recognized that many other different light sources can also be used for this purpose.
Standard

NIGHT VISION GOGGLE (NVG) FILTERS

1988-09-19
HISTORICAL
ARP4169
This ARP discusses the desired characteristics of night vision goggle (NVG) filters that can be used with incandescent, electroluminescent (EL) and light emitting diode (LED) light sources to achieve NVG compatible lighting of aerospace crew stations. This ARP also discusses the parameters that need to be considered when selecting a night vision goggle/daylight viewing (NVG/DV) filter for proper contrast enhancement to achieve readability in daylight.
Standard

Linear Token Passing Multiplex Data Bus

1988-09-07
CURRENT
AS44074/1
This standard specifies the characteristics of the SAE Linear Token Passing Bus (LTPB) Interface Unit. The LTPB provides a high reliability, high bandwidth, low latency serial interconnection netwrok suitable for utilization in real time military and commercial applications. Multiple redundant data paths can be implemented to enhance reliability and survivability in those applications that require these attributes. The token passing and data exchange protocols are optimized to provide low latency and fast failure detection and correction. Physical configurations with bus lengths up to 1000 meters can be accommodated.
Standard

HUMAN ENGINEERING CONSIDERATIONS IN THE APPLICATION OF COLOR TO ELECTRONIC AIRCRAFT DISPLAYS

1988-09-01
HISTORICAL
ARP4032
Although this document is specifically intended for the application of color to cathode-ray-tube (CRT) instrumentation, most portions are also compatible with other emerging electronic display technologies, whether they are self-luminous or light modulating devices, such as liquid crystal displays. However, it is not intended to address the concerns brought about by the use of specialized equipment such as head-up displays and night vision goggles. Identifiable incompatibilities or special considerations for color display technologies other than the CRT have been noted in the recommendations.
Standard

Aircraft Turbine Engine Pneumatic Component Contaminated Air Endurance Test

1988-08-31
HISTORICAL
ARP4014
This recommended practice describes a method of conducting an endurance test using contaminated air when the applicable specification requires non-recirculation of the contaminants. The objective of the test is to determine the resistance of the engine mounted components to wear or damage caused by the contaminated air. The method described herein calls for non-recirculation of the contaminants and is intended to provide a uniform distribution of the contaminant at the inlet to the Unit Under Test (UUT). The UUT may require the use of a hydraulic fluid for actuation of components within the test unit. Contamination of this test fluid is not part of this recommended practice, however, if required by applicable test specification, refer to MAP 749A.
Standard

HIGH SPEED RING BUS (HSRB) STANDARD

1988-08-29
HISTORICAL
AS4075
A fault tolerant, real time high speed data communication standard is defined based on a ring topology and the use of a Token passing access method with distributed control. The requirements for the HSRB standard have been driven predominantly, but not exclusively, by military applications. Particular attention has been given to the need for low message latency, deterministic message priority and comprehensive reconfiguration capabilities. This document contains a definition of the semantics and protocol including delimiters, tokens, message priority, addressing, error detection and recovery schemes; and is written to be independent of bit rate and media. Parameters related to particular media and bit rates are defined in separate documents, the AS4075 slash sheets.
Standard

AEROSPACE GLOSSARY FOR HUMAN FACTORS ENGINEERS

1988-08-22
CURRENT
ARP4107
This Glossary is designed to serve persons who need to know the accepted meanings, within specific contexts, of the terminology used in reports, articles, regulations, and other materials dealing with aviation safety -- with particular reference to terms specific to human factors in aviation safety. It is assumed that some users of the Glossary will be familiar with the nomenclature of aviation, but will need information on the language of human factors in engineering as they apply to aviation safety. Others (for example, engineers and psychologists) will have fairly extensive knowledge of the terminology of their own and related disciplines, but will need authoritative definitions of technical terms specific to aviation. Within the foregoing general framework, the following guidelines for the inclusion of terms to be defined have been observed:
Standard

Landing Area/Landing Gear Compatibility - A Brief History of SAE/Corps of Engineers Cooperation

1988-08-02
HISTORICAL
AIR4243
This document discusses the work done by the U.S. Army Corps of Engineers and the Waterways Experiment Station (WES) in support of SAE A-5 Committee activity on Aerospace Landing Gear Systems. It is an example of how seemingly unrelated disciplines can be combined effectively for the eventual benefit of the overall aircraft system, where that system includes the total airfield environment in which the aircraft must operate. In summary, this AIR documents the history of aircraft flotation analysis as it involves WES and the SAE.
Standard

Adapters - Port Connection, Ring Locked Design, Installation and Removal of

1988-08-01
HISTORICAL
AS1301A
This SAE Aerospace Standard (AS) provides the essential minimum design, installation and removal standard for AS1299, AS1985, AS1986, AS4099, AS5368, and AS5986 adapters and is applicable when specified on engineering drawings or in procurement documents. This SAE Aerospace Standard (AS) provides the essential minimum design, installation and removal standard for AS1299, AS1985, AS1986, AS4099 and AS5368 adapters and is applicable when specified on engineering drawings, or in procurement documents.
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