Engine Fuel System

Question 1

Tank fuel temperature prior to takeoff must not be less than

Answer 1

-40 degrees C or 3 degrees C above the fuel freezing point, whichever is higher.

Question 2

In-flight tank fuel temperature must be maintained

Answer 2

at least 3 degrees C above the freezing point of the fuel being used.

Question 3

The use of Fuel System Icing Inhibitor additives does not

Answer 3

change the minimum fuel tank temperature limit.

Question 4

The Jet A fuel specification limits the freezing point to

Answer 4

-40°C maximum, while the Jet A-1 limit is -47°C maximum.

Question 5

Maximum tank fuel temperature is

Answer 5

49 degrees C.

Question 6

Main tanks must be scheduled to be full

Answer 6

if center tank fuel is loaded.

Question 7

The center tank may contain up to 1360 kilograms of fuel with less than full main tanks provided

Answer 7

center tank fuel weight plus actual zero fuel weight does not exceed the maximum zero fuel weight, and center of gravity limits are observed.