POS.yaml

spec_version: "1"
plugin:
  name: Label_44_POS
  type: text
  docs: https://github.com/airframesio/acars-message-documentation/blob/main/research/44/POS.md
  decode_level: FULL
qualifiers:
  labels: ["44"]
  preambles: ["00POS01", "00POS02", "00POS03", "POS01", "POS02", "POS03"]
parse:
  - regex: "^.*,(?<unsplit_coords>.*),(?<flight_level_or_ground>.*),(?<departure_icao>.*),(?<arrival_icao>.*),(?<current_date>.*),(?<current_time>.*),(?<eta_time>.*),(?<fuel_in_tons>.*)$"
    on: $message.text
    into: m
fields:
  - name: position
    from: $m.unsplit_coords
    decode:
      fn: coordinate_decimal_minutes
      args: { style: combined, format: "NSDDMM_M_EWDDMM_M" }

  - name: flight_level_raw
    from: $m.flight_level_or_ground
    # Intermediate value feeding `altitude`; legacy never stored it in raw.
    raw: false
    decode:
      fn: custom
      custom: parse_flight_level_or_ground
  - name: altitude
    from: $flight_level_raw
    decode:
      fn: custom
      custom: flight_level_to_altitude_feet

  - name: month
    from: $m.current_date
    decode: { fn: integer, args: { substring_start: 0, substring_length: 2 } }
  - name: day
    from: $m.current_date
    decode: { fn: integer, args: { substring_start: 2, substring_length: 2 } }

  - name: timestamp
    from: $m.current_time
    decode: { fn: timestamp_hhmmss, args: { append: "00" } }
  - name: eta
    from: $m.eta_time
    decode: { fn: timestamp_hhmmss, args: { append: "00" } }

  - name: fuel_in_tons
    from: $m.fuel_in_tons
    when: { not: { in: [$m.fuel_in_tons, ["***", "****"]] } }
    decode: { fn: float }

  - name: departure_icao
    from: $m.departure_icao
    decode: { fn: airport }
  - name: arrival_icao
    from: $m.arrival_icao
    decode: { fn: airport }
formatted:
  description: "Position Report"
  items:
    - { type: position, value: $position }
    - { type: month, value: $month }
    - { type: day, value: $day }
    - { type: timestamp, value: $timestamp }
    - { type: eta, value: $eta }
    # fuel_in_tons is raw-only in the legacy plugin (no formatted item);
    # the field's auto-raw emit covers it now that no formatter consumes it.
    - { type: airport_origin, value: $departure_icao }
    - { type: airport_destination, value: $arrival_icao }
    - { type: altitude, value: $altitude }