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Coating Technology Enables Effective Missile Countermeasures

  • Magazine Article
  • TBMG-34530
Published 2019-06-01 by Tech Briefs Media Group in United States

Heat-seeking missiles have been in use against both rotorcraft and fixed wing aircraft since the mid-1950s, and countermeasures to deceive their guidance systems have been employed for nearly as long. Typically, countermeasures operate by generating a strong infrared signature which confuses the missile tracking system. At the heart of these systems is some form of powerful infrared emitting source. Often this source requires optical coating(s) to perform wavelength filtering needed for optimum operation. However, both the mechanical configuration of the thin film filter coatings used and the operating extremes to which they are subjected present challenges for the manufacturer.

 
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Aircraft Flexible Tanks General Design and Installation Recommendations

AE-5A Aerospace Fuel, Inerting and Lubrication Sys Committee
  • Aerospace Standard
  • AIR1664A
  • Current
Published 2019-05-07 by SAE International in United States
This SAE Aerospace Information Report (AIR) includes general information about the various types and styles of flexible tanks and the tank-mounted fittings that adapt the tank to the surrounding structure and fluid-system plumbing. Recommendations are given relative to the dimensional layout of the tank when these recommendations serve to avoid tank fabrication problems and tank/structure interface problems. As a part of these recommendations, critical dimensions of plumbing adapter fittings are discussed and recommendations made. Tank manufacturing tolerances are given. Recommendations are made relative to cavity design and preparation to facilitate a reliable installation. The special installation requirements of nonself-sealing, self-sealing, and crash-resistant tanks are discussed. This document is not intended to replace the information or requirements of the military and commercial procurement specifications listed in Section 2. No attempt has been made, except in a very general way, to include physical property data such as weight and thickness of the composite materials available in the industry. Such materials are too numerous and vary too much between manufacturers. Whenever specific data or advice is required, it…
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Hose Assembly, Polytetrafluoroethylene, Metallic Braid Reinforced, 5080 psi (35000 kPa), 400 °F (204 °C), Aircraft Hydraulic Systems

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS5960C
  • Current
Published 2019-04-11 by SAE International in United States
This document defines the requirements for polytetrafluoroethylene (PTFE) lined, metallic braid reinforced, hose assembly suitable for use in 400 °F (204 °C), 5080 psi (35000 kPa) aircraft hydraulic systems.
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Aircraft Parachute Recovery Systems

  • Magazine Article
  • TBMG-33761
Published 2019-02-01 by Tech Briefs Media Group in United States

BRS Aerospace South St. Paul, MN 651-457-7491

 

Cargo Compartment Lighting for Transport Category Aircraft and Rotorcraft

A-20C Interior Lighting
  • Aerospace Standard
  • ARP1283C
  • Current
Published 2019-01-14 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) establishes design guidance and photometric values for adequate cargo compartment and cargo access lighting systems for ground handling. The adoption of a standard set of illuminance values, found appropriate for the performance of the task in specified areas, should expedite ground handling.
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Exhaust Plume Analyzer

  • Magazine Article
  • TBMG-33600
Published 2019-01-01 by Tech Briefs Media Group in United States

Exhaust plumes emanating from smoke stacks at power plants or other industrial facilities can have adverse impacts on local aviation during periods of calm winds. Adverse impacts can be exacerbated if the temperature is low or the atmosphere is unstable. While low oxygen concentrations and elevated temperatures inside the plume can be detrimental to slow-flying or hovering helicopters, the turbulence generated from the upward motion of the plume is the main potential hazard to light, fixed-wing aircraft at low altitudes.

 

2018 Create the Future Design Contest: Aerospace & Defense Category Winner

  • Magazine Article
  • TBMG-33318
Published 2018-11-01 by Tech Briefs Media Group in United States
 

Integrated Rudder and Brake Pedal Unit, General Requirements for Fly-By Wire Transport and Business Aircraft

A-6A3 Flight Control and Vehicle Management Systems Cmt
  • Aerospace Standard
  • ARP6252
  • Current
Published 2018-10-15 by SAE International in United States
This Aerospace Recommended Practice (ARP) provides general requirements for a generic, integrated rudder and brake pedal unit, incorporating a passive force-feel system that could be used for fixed-wing fly-by wire transport and business aircraft. This ARP addresses the following: The functions to be implemented The mechanical interconnection between captain and F/O station The geometric and mechanical characteristics The mechanical, electrical, and electronic interfaces The safety and certification requirements
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Wing Inspection Lights – Design Criteria

A-20B Exterior Lighting Committee
  • Aerospace Standard
  • ARP4087C
  • Current
Published 2018-10-10 by SAE International in United States
This SAE Aerospace Recommend Practice (ARP) is intended to cover the external lights on fixed wing aircraft for illuminating the wing leading edge and engine nacelles and the upper surfaces of the wing. The addition of an ice detection system should be implemented when the areas to inspect are not visible from the aircraft cockpit. It is not intended that this Recommended Practice require the use of any particular light source such as Halogen, LED or other specific design of lamp.
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Aircraft Flashtube Anticollision Lighting Systems

A-20B Exterior Lighting Committee
  • Aerospace Standard
  • AIR1276B
  • Current
Published 2018-08-28 by SAE International in United States
This document covers red and white anticollision lights using flashtubes as the light source.
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