{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/AircraftRegistrationContract",
  "title": "AircraftRegistrationContract",
  "required": [
    "active",
    "reg"
  ],
  "type": "object",
  "properties": {
    "reg": {
      "minLength": 1,
      "type": "string",
      "description": "Tail-number of the aircraft"
    },
    "active": {
      "type": "boolean",
      "description": "Indicator if aircraft is operational under this registration"
    },
    "hexIcao": {
      "type": "string",
      "description": "ICAO 24 bit Mode-S hexadecimal transponder address",
      "nullable": true
    },
    "airlineName": {
      "type": "string",
      "description": "Name of the airline operating the aircraft",
      "nullable": true
    },
    "registrationDate": {
      "type": "string",
      "description": "Date of assigning current registration",
      "format": "date-time",
      "nullable": true
    }
  },
  "additionalProperties": false,
  "description": "Aircraft registration data"
}