CPL Performance & Operation · Mock exam

A VFR day flight departs with 80 US gallons of fuel. Fuel flow in cruise is 14 US gal/hr. The fixed reserve required is 45 minutes at cruise fuel flow. A start-up and taxi allowance of 2 gal applies. What is the safe endurance (the time the aircraft can fly before reaching the fixed reserve)?

• A.5 hr 00 min
• B.5 hr 34 min
• C.4 hr 26 min
• D.4 hr 49 min