CASA Ref: CASR Part 61 MOS Schedule 3 CAKG 1.2 · FAA Ref: FAA-S-ACS-6C Area I Task F (Systems)
Scenario & Physics Summary
Running a fuel tank dry during cruise flight, un-porting during slip maneuvers, and electric fuel pump boost procedure.
Interactive 3D Visual Plates & Scenario Media
Plate 1: Fuel Selector Position Trap & Unbalanced Feeding
Plate 2: Fuel Selector Position Trap & Unbalanced Feeding
Plate 3: Fuel Selector Position Trap & Unbalanced Feeding
Plate 4: Fuel Selector Position Trap & Unbalanced Feeding
Aerodynamic & Operational Physics
High-wing aircraft typically use gravity feed with a BOTH position; low-wing aircraft use engine-driven + electric boost pumps with LEFT/RIGHT selection.
Selecting a dry tank introduces air locks into fuel lines, causing sudden engine sputtering.
Immediate action: Turn electric fuel boost pump ON, switch fuel selector to fullest tank, verify mixture RICH, adjust throttle.
CASA & FAA Exam Gotcha Alert
Exam Trap: In a prolonged side-slip, fuel in low-wing aircraft un-ports away from the tank outlet, drawing air into the fuel line even with fuel remaining.
Frequently Asked Questions & Exam Explanations
What is fuel un-porting?
Fuel sloshing away from the tank pickup tube during prolonged slips or uncoordinated flight, allowing air into the fuel lines.
Master Fuel Selector Position Trap & Unbalanced Feeding in the Simulator
Drill targeted CASA and FAA exam questions with step-by-step mathematical decoders and regulatory clause links.
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