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1972 Edition, March 3, 1972

Complete Document

Lightweight Headset and Boom Microphone

Detail Summary

Active, Most Current

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Product Details:

  • Revision: 1972 Edition, March 3, 1972
  • Published Date: March 1972
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ARINC Industry Activities (ARINC)
  • Page Count: 11
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Characteristic covers the requirements for a lightweight headset with integral boom microphone suitable for pilot use in conventional airborne radio installations. Characteristic 535A incorporates changes to the older Characteristic 535 (dated March 1957) and serves as a continuation and modification of the original Characteristic.

The changes are related to changes in Characteristic 538A (Hand-Held Microphone) and allude particularly to the microphone part of this Characteristic (535A). The modifications were originally suggested by EAEC (fall 1969) and are consolidated with the recommendations of an Air France microphone analysis.

Microphones and headsets of many design variations are in satisfactory airline usage and many others are available; therefore, this Characteristic does not preclude a particular design nor imply that the design outlined herein constitutes the only satisfactory headset and microphone.

It is recognized that cockpit loudspeakers are widely used, and this Characteristic in no way reflects upon their utility.