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 Checks

• Doors → CLOSED
• Beacon → ON
• APU BLEED → ON
• Fuel Pumps → ON