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Standard

Minimum Operational and Maintenance Responsibilities for Aircraft Tire Usage

2020-01-24
WIP
ARP5265C

This SAE Aerospace Recommended Practice (ARP) sets forth criteria for the installation, inflation, inspection, and maintenance of aircraft tires as well as criteria for the maintenance of the operating environment so as to achieve the purpose stated in 1.1. (Definitions of terms related to aircraft tires are found in 2.2.)

Standard

Performance Specification for Cable-to-Terminal Electrical Crimps

2020-01-22
CURRENT
USCAR21-4
This specification defines test methods and requirements for validation of solderless crimped connections. The purpose of this test is to simulate in the lab the stress seen in a typical life (15 years and 150000 miles) for a crimp connection and assure the crimp is mechanically strong and electrically stable. This specification was developed for use with stranded automotive copper wire. Only where specifically mentioned are other constructions or other core materials (aluminum, clad, steel core, etc.) applicable. This specification does not apply to wire types not mentioned, such as coaxial cable crimps, unless a USCAR-21 test is specifically referenced in the test specification for that wire type. This specification is based on accepted levels of environmental exposure for automotive applications.
Standard

Aerospace Electrical Voltage Level definitions

2020-01-21
WIP
AIR7502
It is the expectation that for electric propulsion even higher voltages in the range of 1 - 3 kV and higher are needed. The introduction of hybrid or electrical propulsion, will also affect the system architecture of the electrical power system. This report shall set forth the aerospace voltage level definitions.
Standard

Design and Development of Rechargeable Lithium Battery Systems for Aerospace Applications

2020-01-21
CURRENT
AIR6343
This AIR is intended to provide a basic overview of methodologies that should be utilized when undertaking the design and development of rechargeable lithium battery systems for aerospace applications. The battery system includes the battery cells, monitoring and control electronics, and battery charger as applicable. The methodologies presented herein apply to “installed” equipment which would be part of the original or supplemental type certification or military airframe qualification.
Standard

Barometry for Altimeter Calibration

2020-01-15
WIP
AIR1075B
This SAE Aerospace Information Report (AIR) is concerned only with aspects directly relating to available accuracy. While well-designed photoelectric, inductive or capacitive readers and pressure regulators, and other accessories are highly desirable for convenience and production rate, they are considered to be outside the scope of this AIR. This AIR is intended to define three classes of barometers, working, reference and transfer and some aspects of their use so that altimeters and air data transducers calibrated aginst working barometers will be comparable. An accuracy of ±0.003 inch (or ±0.076 mm) Hg should be approachable with working barometers meeting the recommendations in this AIR.
Standard

Estimation of Total Error in Altimetry

2020-01-15
WIP
AIR1608B
AIR1608 Estimation of Total Error in Altimetry proposes a method of estimating overall error of altimetry in order to provide a basis for safe vertical separation of aircraft.
Standard

Maintenance of Pitot-Static Systems of Transport Aircraft

2020-01-15
WIP
AIR975B
In efforts to increase the accuracy and reliability of altimetry, speed measurement and other aspects of air data, a great deal of attention and money have been expended on new and refined pressure transducing and computing systems and on the standards by which they are calibrated. So much progress has been made in this that the limiting factor is, or may soon be, the sensing and transmitting in the aircraft of the pressure to be transduced. Until the appearance of References 1 - 13 and 18 there was little guidance available on the maintenance of pitot and static systems. This report presents what information is available, suggests limits, and lists the principal original papers on the subject. To set forth in a single document the principles and practices for maintenance of pitot and static pressure systems of transport aircraft.
Standard

Aircraft Instrument and Instrument System Standards: Wording Terminology, Phraseology, Environment and Design Standards For

2020-01-15
WIP
AIR818E
This Aerospace Information Report, (AIR) is intended to provide the sponsors of Aerospace Standards, (AS), with standard wording, formatting, and minimum environment and design requirements for use in the preparation of their document. The individual shall use only those parts of this AIR which apply to their particular document. The individual sponsor may expand the standard wording, especially under Sections 4, 5, and 6 as required. The paragraphs of this AIR shall be used verbatim wherever possible. Unless otherwise directed by SAE, cross referenced documents shall be called out by specific revision letter, e.g. "shall be in accordance with AS XXXXB." In addition, all non-SAE documents called out shall include the document title when initially identified. However, every effort shall be made to keep cross-referencing to an absolute minimum.
Standard

Wire, Electrical, Stranded, Uninsulated Copper, Copper Alloy, or Aluminum, or Thermocouple Extension, General Specification For

2020-01-10
WIP
AS29606A
This specification covers concentric lay stranded and rope-lay stranded round electrical conductor fabricated from copper, copper alloy or aluminum. This specification also covers thermocouple extension conductor fabricated from nickel/chromium or nickel/aluminum/manganese. The conductors in this specification are suitable for use in insulated wires used in aerospace and other applications.
Standard

Magnesium Alloys in Aircraft Seats - Developments in Magnesium Alloy Flammability Testing

2020-01-09
CURRENT
AIR6160A
This document provides informational background, rationale and a technical case to allow consideration of the removal of the magnesium alloy restriction in aircraft seat construction as contained in AS8049B. The foundation of this argument is flammability characterization work performed by the FAA at the William J. Hughes Technical Center (FAATC), Fire Safety Branch in Atlantic City, New Jersey, USA. The rationale and detailed testing results are presented along with flammability reports that have concluded that the use of specific types of magnesium alloys in aircraft seat construction does not increase the hazard level potential in the passenger cabin in a post-crash fire scenario. Further, the FAA has developed a lab scale test method, reference DOT/FAA/TC-13/52, to be used as a certification test, or method of compliance (MOC) to allow acceptability of the use of magnesium in the governing TSO-C127 and TSO-C39C.
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