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Minimum Performance Standard for Low Frequency Underwater Locating Devices (Acoustic) (Self-Powered)

A-4 Underwater Locator Device Working Group
  • Aerospace Standard
  • AS6254A
  • Current
Published 2015-12-06 by SAE International in United States
This SAE Aerospace Standard (AS) covers ULDs utilized in finding submerged aircraft. Such ULDs are installed within the aircraft in a manner that they are unlikely to become separated during crash conditions. The low frequency ULD should be attached to the airframe in accordance with the manufacturer’s recommendations in order to maximize the underwater detection range. ARINC Standard 677 also provides installation guidance for Low Frequency ULDs.
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Minimum Performance Standard for Low Frequency Underwater Locating Devices (Acoustic) (Self-Powered)

A-4 Underwater Locator Device Working Group
  • Aerospace Standard
  • AS6254
  • Historical
Published 2012-02-23 by SAE International in United States
This SAE Aerospace Standard (AS) covers ULDs utilized in finding submerged aircraft. Such ULDs are installed within the aircraft in a manner that they are unlikely to become separated during crash conditions. The low frequency ULD should be attached to the airframe in accordance with the manufacturer’s recommendations in order to maximize the underwater detection range.
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Minimum Performance Standard for Underwater Locating Devices (Acoustic) (Self-Powered)

A-4 Underwater Locator Device Working Group
  • Aerospace Standard
  • AS8045A
  • Current
Published 2011-08-03 by SAE International in United States
This AS covers ULD utilized in finding flight data recorders, cockpit voice recorders or aircraft. Such ULDs are installed adjacent to the recorders in a manner that they are unlikely to become separated during crash conditions.
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Minimum Performance Standard for Underwater Locating Devices (Acoustic) (Self-Powered)

A-4 Underwater Locator Device Working Group
  • Aerospace Standard
  • AS8045
  • Historical
Published 1993-05-01 by SAE International in United States
This SAE Aerospace Standard (AS) specifies minimum performance standards for Acoustic Underwater Locating Devices which are primarily intended for use with both fixed and rotary wing civil aircraft. This AS covers Underwater Locating Devices (ULD) to assist in finding flight recorders, cockpit recorders or aircraft or both. Such ULDs are to be installed adjacent to the recorders in a manner that they are unlikely to become separated during crash conditions.