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AIR5938A - Information on Hard Landings and Abnormal Landing Gear Loading Events
December 20, 2022 - SAE International

The primary focus of this document is to provide information on the impacts hard landings and abnormal load conditions on landing gear and related systems. However, because hard landings potentially affect the entire aircraft, this document also includes information for non-landing gear areas. The...

AIR5273A - Aircraft Flight Control Actuation System Failure-Detection Methods
December 16, 2022 - SAE International

This SAE Aerospace Information Report (AIR) provides descriptions of aircraft flight control actuation system failure-detection methods. The fault-detection methods are those used for ground and in-flight detection of failures in electrohydraulic actuation systems for primary flight controls.

AIR6989 - Micropitting of Bearings and Gears in Aviation
December 7, 2022 - SAE International

The intent of this SAE Aerospace Information Report (AIR) is to summarize and review the E34 committee's efforts to educate the aerospace propulsion lubrication community on the science of micropitting, its consequences, and the various tribology evaluation methods that can be employed under...

AIR6417 - Aircraft Brake Quality Assurance Rejected Takeoff Test History and Considerations
November 22, 2022 - SAE International

This SAE Aerospace Information Report (AIR) provides information related to experience with carbon brake quality-assurance rejected takeoff tests, and considerations regarding test setup, test conditions, test frequency and cost considerations.

AIR902A - Determination of Distance from Ground Observer to Aircraft for Acoustic Tests
November 18, 2022 - SAE International

This document describes a practical system for a user to determine observer-to-aircraft distances. These observer-to-aircraft distances can be either closest point of approach (CPA) distances during field measurements or overhead distances during acoustic certification tests. The system uses...

AIR6297 - Method to Calculate Behind Start of Takeoff Roll Noise Level Adjustments
November 18, 2022 - SAE International

This document describes a method to calculate noise level adjustments at locations behind an airplane (described by an angular offset or directivity) at the start of takeoff roll (SOTR). This method is derived from empirical data from jet aircraft (circa 2004), most of which are configured with...

AIR1922B - Aerospace - System Integration Factors That Affect Hydraulic Pump Life
November 18, 2022 - SAE International

This SAE Aerospace Information Report presents the following factors that affect hydraulic pump life and performance: a The need to supply hydraulic fluid at the correct pressure and quality to the pump inlet port b Considerations for the pump output c Factors to be considered for the pump case...

AIR4923B - Bolts and Screws, Aerospace Engine - Materials, Procurement Specifications, and Properties
November 2, 2022 - SAE International

This SAE Aerospace Information Report (AIR) includes general design information on materials, procurement specifications, and mechanical properties for bolts and screws developed for use on aerospace propulsion systems. Both inch and metric (SI) designs are included.

AIR6170B - Ice Melting Test Method for Runways and Taxiways Deicing/Anti-Icing Chemicals
October 27, 2022 - SAE International

This test method provides stakeholders (runway deicing chemical manufacturers, users, regulators, and airport authorities) with relative ice melting capacity of runway deicing chemicals, by measuring the amount of ice melted as a function of time. Such runway deicing chemicals are often also...

AIR6172B - Ice Undercutting Test Method for Runways and Taxiways Deicing/Anti-Icing Chemicals
October 27, 2022 - SAE International

This test method provides stakeholders (runway deicing chemical manufacturers, users, regulators and airport authorities) with relative ice undercutting capacity of runway deicing chemicals, by measuring the area of ice undercut pattern as a function of time. Such runway deicing chemicals...

AIR6211B - Ice Penetration Test Method for Runways and Taxiways Deicing/Anti-Icing Chemicals
October 27, 2022 - SAE International

This test method provides stakeholders (runway deicing chemical manufacturers, users, regulators, and airport authorities) with a relative ice penetration capacity of runway deicing/anti-icing chemicals, by measuring the ice penetration as a function of time. Such runway deicing/anti-icing...

AIR6418 - Transient Measurement Method Development for Aircraft Propulsion Engine and Auxiliary Power Unit Generated Contaminants in Bleed Air
March 29, 2022 - SAE International

This SAE Aerospace Information Report (AIR) outlines transient measurement methods to determine engine-generated levels of relevant compressor bleed air contaminant marker compounds on a ground level test cell for aircraft propulsion engine or auxiliary power unit (APU) to be...

AIR5919B - Alternatives to Cadmium Plating
October 13, 2022 - SAE International

This SAE Aerospace Information Report (AIR) is intended to document and provide access to information obtained by an industry survey. It summarizes and documents data regarding possible alternatives to the use of cadmium plating on general connectors and connector accessories typically used...

AIR7209 - Development Assurance Principles for Aerospace Vehicles and Systems
October 7, 2022 - SAE International

The purpose of this SAE Aerospace Information Report (AIR) is to provide a high-level set of principles to support aerospace projects required to use a formal development assurance process, such as ARP4754/ED-79 (at latest revision), to show regulatory compliance. Examples of projects where...

AIR5691B - Guidance for the Design and Installation of Fuel Quantity Indicating Systems (FQIS)
October 7, 2022 - SAE International

This document is applicable to commercial and military aircraft fuel quantity indication systems. It is intended to give guidance for system design and installation. It describes key areas to be considered in the design of a modern fuel system and builds upon experiences gained in the industry in...

AIR5128A - Electrical Bonding of Aircraft Fuel Systems
October 4, 2022 - SAE International

This SAE Aerospace Information Report (AIR) is limited to the subject of aircraft fuel systems and the questions concerning the requirements for electrical bonding of the various components of the system as related to Static Electric Charges, Fault Current, Electromagnetic Interference (EMI)...

AIR6183 - Procedures for the Calculation of Airplane Fuel Consumption
September 30, 2022 - SAE International

This SAE Aerospace Information Report (AIR) describes procedures for calculating fuel consumption for civil jet airplanes through all modes of operation for all segments of a flight. Turboprop and piston airplanes, as well as helicopters or unconventional aircraft, are not included in this...

AIR46C - The Preparation and Use of Thermocouples for Aircraft Gas Turbine Engines
September 14, 2022 - SAE International

This SAE Aerospace Information Report (AIR) reviews the precautions that must be taken and the corrections which must be evaluated and applied if the experimental error in measuring the temperature of a hot gas stream with a thermocouple is to be kept to a practicable minimum. Discussions...

AIR1489C - Aerospace Landing Gear Systems Terminology
September 8, 2022 - SAE International

This report has been compiled by the Landing Gear Systems Terminology Panel of SAE Committee A-5 (Aerospace Landing Gear Systems). It represents an effort to gather together those terms commonly used within the discipline. Some terms are of course common to other disciplines as well. Others,...

AIR1904B - Tire Spray Suppression - Airplane Design and Consideration for
September 8, 2022 - SAE International

This SAE Aerospace Information Report (AIR) relates considerations for design test procedures and test data evaluation for qualification of tire spray deflection devices.

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