5.3 Before Start

PM Flow 
 
 Beacon → ON 
 Doors → CLOSED 
 Fuel Pumps → ON 
 APU BLEED → ON 
 
 
 🔹 PF Flow 
 
 Confirm pushback clearance 
 Brief start sequence 
 
 
 ✅ Before Start Checklist 
 
 Doors → CLOSED 
 Beacon → ON 
 APU BLEED → ON 
 Fuel Pumps → ON