{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "https://poseidat.org/schema/core/route-waypoint.json",
    "description": "A waypoint which is part of a route.",
    "title": "Route waypoint",
    "properties": {
      "id": {
        "description": "The id of the waypoint within a trip.",
        "type": "number"
      },
      "name": {
        "description": "The name of the waypoint.",
        "type": "string"
      },
      "latitude": {
        "description": "The latitude of the waypoint.",
        "type": "number"
      },
      "longitude": {
        "description": "The longitude of the waypoint.",
        "type": "number"
      },
      "turn_radius": {
        "description": "The turn radius of the waypoint in nautical miles.",
        "type": "number"
      },
      "portside_xtd": {
        "description": "The Cross-Track Distance at the port side in nautical miles on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "starboard_xtd": {
        "description": "The Cross-Track Distance at the starboard side in nautical miles on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "safety_contour": {
        "description": "The safety contour in metres on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "safety_depth": {
        "description": "The safety depth in metres on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "geometry_type": {
        "description": "The geometry type of the route leg between the previous and this waypoint.",
        "$ref": "https://poseidat.org/schema/enum/route-geometry-type.json"
      },
      "speed_min": {
        "description": "The lowest cruising speed in knots on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "speed_max": {
        "description": "The highest allowed cruising speed in knots on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "draught_forward": {
        "description": "The static draught forward (bow) in metres on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "draught_aft": {
        "description": "The static draught aft (stern) in metres on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "static_ukc": {
        "description": "The minimum static Under Keel Clearance on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "dynamic_ukc": {
        "description": "The minimum dynamic Under Keel Clearance on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "masthead_height": {
        "description": "The height of the masthead on the route leg between the previous and this waypoint.",
        "type": "number"
      },
      "etd": {
        "description": "The Estimated Time of Departure from this waypoint.",
        "type": "string",
        "format": "date-time"
      },
      "eta": {
        "description": "The Estimated Time of Arrival at this waypoint.",
        "type": "string",
        "format": "date-time"
      }
    },
    "required": [
      "id",
      "latitude",
      "longitude"
    ],
    "type": "object"
  }