"manual reversion" meaning in English

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      "expansion": "manual reversion (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "kind": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
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      "examples": [
        {
          "ref": "1999, National Transportation Safety Board, “1.6.2 Boeing 737 Hydraulic System Information”, in Uncontrolled Descent And Collision With Terrain, USAir Flight 427, Boeing 737-300, N513AU, Near Aliquippa, Pennsylvania, September 8, 1994, archived from the original on 2021-01-16, page 16",
          "text": "In the event of a failure of both hydraulic systems A and B, the ailerons and elevators can be operated manually without hydraulic power (referred to as manual reversion). The rudder has no manual reversion capability but can be operated with the standby hydraulic system.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics."
      ],
      "id": "en-manual_reversion-en-noun-SgA7xD0B",
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          "cable",
          "cable"
        ],
        [
          "pushrod",
          "pushrod"
        ],
        [
          "control surface",
          "control surface"
        ],
        [
          "hydraulics",
          "hydraulics"
        ]
      ],
      "raw_glosses": [
        "(aviation) The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
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  "sounds": [
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      "ipa": "/ˈman.j(ʊ).əl ɹɪˈvəː.ʃən/",
      "tags": [
        "UK"
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    {
      "ipa": "/ˈmæn.j(əw).əl ɹɪˈvɚ.ʒən/",
      "tags": [
        "US"
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    },
    {
      "ipa": "/ˈmæn.j(əw).əl ɹəˈvɚ.ʒən/",
      "tags": [
        "US"
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    }
  ],
  "word": "manual reversion"
}

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English lemmas",
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        "en:Aviation"
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      "examples": [
        {
          "ref": "1999, National Transportation Safety Board, “1.6.2 Boeing 737 Hydraulic System Information”, in Uncontrolled Descent And Collision With Terrain, USAir Flight 427, Boeing 737-300, N513AU, Near Aliquippa, Pennsylvania, September 8, 1994, archived from the original on 2021-01-16, page 16",
          "text": "In the event of a failure of both hydraulic systems A and B, the ailerons and elevators can be operated manually without hydraulic power (referred to as manual reversion). The rudder has no manual reversion capability but can be operated with the standby hydraulic system.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "mechanical",
          "mechanical"
        ],
        [
          "cable",
          "cable"
        ],
        [
          "pushrod",
          "pushrod"
        ],
        [
          "control surface",
          "control surface"
        ],
        [
          "hydraulics",
          "hydraulics"
        ]
      ],
      "raw_glosses": [
        "(aviation) The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
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  "sounds": [
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      "ipa": "/ˈman.j(ʊ).əl ɹɪˈvəː.ʃən/",
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      "ipa": "/ˈmæn.j(əw).əl ɹɪˈvɚ.ʒən/",
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  "word": "manual reversion"
}