"down route" meaning in English

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      "expansion": "down route",
      "name": "head"
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    {
      "args": {},
      "expansion": "down route",
      "name": "en-prep"
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  "lang": "English",
  "lang_code": "en",
  "pos": "prep",
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      "examples": [
        {
          "ref": "2022 November 3, Air Accidents Investigation Branch, “History of the flight”, in AAIB investigation to Boeing 787-8, G-ZBJB, archived from the original on 2023-11-19, page 2",
          "text": "The aircraft was scheduled to operate a freighter flight from London Heathrow Airport to Frankfurt Airport. The aircraft was planned to be operated by two pilots accompanied by an Overseas Engineer (OSE) to provide technical support down route. The pilots arrived at the operator’s Crew Reporting Centre at approximately 0520 hrs and collected the flight briefing pack. The pilots met the OSE prior to briefing but he had some engineering matters to attend to, so did not attend the flight crew briefing.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Away from home base; in the field."
      ],
      "id": "en-down_route-en-prep-dnoKIFXO",
      "links": [
        [
          "Away",
          "away"
        ],
        [
          "home base",
          "home base"
        ],
        [
          "in the field",
          "in the field"
        ]
      ],
      "synonyms": [
        {
          "word": "downroute"
        }
      ]
    }
  ],
  "word": "down route"
}

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      "expansion": "down route",
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      "expansion": "down route",
      "name": "en-prep"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep",
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          "ref": "2022 November 3, Air Accidents Investigation Branch, “History of the flight”, in AAIB investigation to Boeing 787-8, G-ZBJB, archived from the original on 2023-11-19, page 2",
          "text": "The aircraft was scheduled to operate a freighter flight from London Heathrow Airport to Frankfurt Airport. The aircraft was planned to be operated by two pilots accompanied by an Overseas Engineer (OSE) to provide technical support down route. The pilots arrived at the operator’s Crew Reporting Centre at approximately 0520 hrs and collected the flight briefing pack. The pilots met the OSE prior to briefing but he had some engineering matters to attend to, so did not attend the flight crew briefing.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Away from home base; in the field."
      ],
      "links": [
        [
          "Away",
          "away"
        ],
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          "home base",
          "home base"
        ],
        [
          "in the field",
          "in the field"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "downroute"
    }
  ],
  "word": "down route"
}