Aircraft Turnaround Sequence

sequenceDiagram
  participant ATC as Air Traffic Control
  participant TC as Turnaround Coordinator
  participant GH as Ground Handling
  participant FUEL as Fuel Team
  participant CAT as Catering
  participant LC as Load Control
  participant CPT as Captain
  ATC->>TC: Aircraft on blocks
  TC->>GH: Start deboarding and offload bags
  par Parallel services
    GH->>GH: Cabin cleaning
    TC->>FUEL: Start fuelling
    TC->>CAT: Load catering
  end
  GH->>TC: Cleaning done
  TC->>GH: Start boarding
  GH->>LC: Final passenger and bag counts
  LC->>CPT: Final load sheet
  CPT->>ATC: Request pushback
  ATC-->>CPT: Pushback approved