List of aviation headset connectors

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PJ-055 (top) and PJ-068 (bottom) General Aviation Audio Phone Connectors
"NATO" plug type, commonly used on military aircraft and civil helicopters

The following electrical connectors are commonly used in aviation headsets:[1]

  • Phone connectors
    • A pair of plugs, known as "GA" or general aviation plugs. 1/4-inch plug for audio (PJ-055), and a 3/16-inch plug for the microphone (PJ-068)
    • U-174/U (Nexus TP-101), U-93A/U (Nexus TP-102), and Nexus TP-120, also known as US NATO, commonly used in helicopters, with a diameter of 0.281 in (7.1 mm) and length 0.761 in (19.3 mm).[2][3][4][5] The TP-120 (also known as J11) is standard for external jack plugs on most Boeing and Airbus airliners, used by ground-crew
    • U-384/U (Nexus TP-105), similar to U-174/U but with 5 conductors and slightly longer length of 0.901 in (22.9 mm)[6][5]
    • Type 671, also known as UK NATO or European NATO[7] 10H/18575, with a diameter of 7.57 mm (0.298 in).[8] NATO Stock Number 5935-99-946-6652.
  • XLR 5, used internally on Airbus aircraft[9][1]
  • REDEL 6-pin connector by LEMO, known as "LEMO plugs".[10][1] Most Cirrus aircraft use this connector.[9]
  • Fischer 8-pin connector, used in Agusta helicopters[5]
  • Neutrik neutriCON 8-pin connector[11][12][13]

The XLR, LEMO and Fischer plugs are able to supply power for active noise cancellation.[5]

References

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