BLOCK III - FUEL SYSTEM

Question 1

Fuel Tank Groups

Answer 1

-Main 1
-Main 2
-Center
-Forward Tank Group (FTG)
-Aft Tank Group (ATG)

Question 2

Fuel tank capacity

Answer 2

Main 1/2 - 8,234 lbs
Center - 27,932
FTG - 10,050 lbs
ATG - 16,589

Question 3

Total aircraft fuel capacity

Answer 3

71,039 lbs

Question 4

Purpose of OBIGGS System

Answer 4

Supplies nitrogen enriched air to all fuel tanks

Question 5

What tank cells make up the FTG?

Answer 5

Cells 4-6
3 interconnected body tanks. 1 master and 2 extensions

Question 6

What tank cells make up the ATG?

Answer 6

Cells 7-10
3 body tanks and 1 integral tank interconnected to act as 1 fuel tank
Not designed for configuration changes

Question 7

What tanks does the Fuel Indicating System measure?

Answer 7

-Main 1
-Main 2
-Center

Question 8

Describe the interaction between the Integrated Drive Generator (IDG) oil engine feed fuel flow

Answer 8

-IDG uses engine feed fuel flow through the fuel-cooled oil cooler (FCOC) on engine to help cool IDG oil
-Heated return fuel mixes with main tank fuel

Question 9

Purpose of Air to Air refueling system

Answer 9

Allows filling of tanks during flight

Question 10

UARRSI components

Answer 10

-Receptacle
-Fueling manifold
-Two electrical connections
-Two hydraulic lines
-Two drain lines
-Control cable and handle

Question 11

UARRSI location

Answer 11

In the ceiling of the forward main cabin

Question 12

UARRSI purpose

Answer 12

Air-to-air refueling