AIR5301B - Installed Outdoor Engine Testing
December 18, 2023 - SAE International

This SAE Aerospace Information Report (AIR) was written because of the growing interest in aircraft installed outdoor engine testing by the Federal Aviation Administration, airlines, charter/commercial operators, cargo carriers, engine manufacturers and overhaul and repair stations. This...

AIR825/2A - Effects of Acute Altitude Exposure in Humans: Requirements for Physiological Protection
December 18, 2023 - SAE International

The intent of this SAE Aerospace Information Report (AIR) is to describe the effects of the environmental changes on human physiology and the protection required to avoid negative consequences resulting from altitude exposure. A brief presentation of basic terms and considerations required...

AIR7097 - Analysis Methods and Rationale Used for New Changes in ARP6199B
December 14, 2023 - SAE International

This SAE Aerospace Information Report (AIR) is only applicable to 14 CFR Part 25 transport airplane passenger and flight attendant seats. This document provides the analysis methods, testing, and rationale used to justify changes contained in ARP6199B.

AIR7367 - Considerations for Requirements, Specifications, and Framework of a Digital Thread in Aircraft Data Life Cycle Management
December 14, 2023 - SAE International

The scope of this SAE Aerospace Information Report (AIR) is to describe the considerations for requirements, specifications, and framework of digital thread in the aircraft product life cycle management. This document is not intended to define an overarching rendition of...

AIR1810D - Installations/Applications, Development, and Test Criteria - Solid State Proximity Switches/Systems for Landing Gear Applications
December 13, 2023 - SAE International

This document examines the most important considerations relative to the use of proximity sensing systems for applications on aircraft landing gear. In general, the information included are applicable to other demanding aircraft sensor installations where the environment is equally severe.

AIR5464A - Metal Clad Fibers for Electrical Shielding and Harness Overbraid
December 5, 2023 - SAE International

Over the past two and one-half decades several metal clad fibers and fabrics have been developed to provide aerospace vehicle designers with a conductive, lighter weight alternative to coated copper, coated stainless steel and steel wire used for cable and wire shielding and harness overbraids on...

AIR5704A - Field Viscosity Test for Thickened Aircraft Anti-Icing Fluids
November 27, 2023 - SAE International

This SAE Aerospace Information Report (AIR) provides a description of a screening method for use in the field for verifying an AMS 1428 anti-icing fluid is above its minimum low shear viscosity as published with holdover time guidelines. The test will determine if the fluid is (a)...

AIR5690A - Rationale for Replacement of Pyrotechnic Signaling Devices in Survival Kits on Transport Category Aircraft Life Rafts and Slide-Rafts
November 16, 2023 - SAE International

This SAE Aerospace Information Report (AIR) identifies the risks and dangers associated with the carriage and use of pyrotechnic signaling devices in transport category aircraft life rafts and slide/rafts, and provides a rationale for allowing the use of alternative non-pyrotechnic devices...

AIR5913A - Landing Gear Component Heat Damage
November 16, 2023 - SAE International

The purpose of this report is to outline types of in-service heat damage that have been observed in high strength steel landing gear components, with an emphasis on a particular type that is referred to as "Ladder Cracking" which can develop in landing gear shock struts. The report discusses how...

AIR5358B - Landing Gear Shock Strut Hydraulic Fluid With Extreme Pressure and Anti-Wear Additives
November 15, 2023 - SAE International

This document describes hydraulic fluids used in landing gear shock struts with extreme high contact pressure and anti-wear additives that have been added for improved lubrication.

AIR5509A - Using Engine Test Data to Model Engine Performance
October 26, 2023 - SAE International

This document defines the process steps involved in collecting and processing engine test data for use in understanding engine behavior. It describes the use of an aero-thermal cycle model for reduction and analysis of those data. The analysis process may include the calculation of modifiers to...

AIR6508 - Supplemental Propulsion System Performance Station Designation
October 26, 2023 - SAE International

This SAE Aerospace Information Report (AIR) supplements the AS755 performance station designation system for complex or unconventional propulsion cycles and their derivatives. The station numbering conventions presented herein are for use in all communications concerning propulsion system...

AIR4951A - Test Cell Thrust Measurement
October 20, 2023 - SAE International

Thrust measurement systems come in many sizes and shapes, with varying degrees of complexity, accuracy and cost . For the purposes of this information report, the discussions of thrust measurement will be limited to axial thrust in single-axis test systems.

AIR23054 - AS23053/12 Heat Shrink Sleeving Specification Change from Dielectric Strength to Breakdown Voltage
October 16, 2023 - SAE International

Establish justification for the use of breakdown voltage for product electrical properties instead of calculated dielectric strength.

AIR5279A - Composite and Bonded Structure Inspector: Training Document
October 6, 2023 - SAE International

This document provides recommendations concerning the minimum knowledge and skill guidelines for a composite and metal bond repair inspector. Teaching levels have been assigned to this curriculum to define the knowledge, skills and abilities needed to inspect repairs. Minimum hours of instruction...

AIR1221A - Electromagnetic Compatibility (EMC) System Design Checklist
September 28, 2023 - SAE International

This checklist is to be used by project personnel to assure that factors required for adequate system electromagnetic compatibility are considered and incorporated into a program. It provides a ready reference of EMC management and documentation requirements for a particular program from...

AIR4096A - Rotorcraft Engine Foreign Object Debris and Damage
September 28, 2023 - SAE International

The purpose of this SAE Aerospace Information Report (AIR) is to disseminate qualitative information regarding foreign object debris (FOD) damage to the gas path of rotorcraft gas turbine engines and to discuss methods of FOD prevention. Although turbine-powered fixed-wing aircraft are also...

AIR5317A - A Guide to APU Health Management
September 15, 2023 - SAE International

AIR5317 establishes the foundation for developing a successful APU health management capability for any commercial or military operator, flying fixed wing aircraft or rotorcraft. This AIR provides guidance for demonstrating business value through improved dispatch reliability, fewer service...

AIR1900B - Guide to Temperature Monitoring in Aircraft Gas Turbine Engines
September 7, 2023 - SAE International

This SAE Aerospace Information Report (AIR) provides an overview of temperature measurement techniques for various locations of aircraft gas turbine engines while focusing on current usage and methods, systems, selection criteria, and types of hardware.

AIR7368 - Cybersecurity for Propulsion Systems
September 5, 2023 - SAE International

The purpose of this SAE Aerospace Information Report (AIR) is to provide guidance for aircraft engine and propeller systems (hereafter referred to as propulsion systems) certification for cybersecurity. Compliance for cybersecurity requires that the engine control, propeller control,...