Ground Operations

Question 1

With the seat adjusted, what is the distance of the closest point on the ground that you can see?

Answer 1

44 feet

Question 2

What can you use as a reference for centerline when taxiing?

Answer 2

inboard screw of the HUD

Question 3

What can you use as a reference for 25 ft wingtip clearance?

Answer 3

on the outboard engines, use the 5 o’clock (right) or 7 o’clock (left) positions for 10 ft

if looking cross cockpit use the other pilot’s HUD large knob to the cockpit window knob for 25 ft

Question 4

What can you use as a reference for 10 ft wingtip clearance?

Answer 4

on the outboard engines use the 4 o’clock (right) or 8 o’clock (left) positions for 25 ft

Question 5

What can you use as a reference for 97 ft from the main gear when taxiing forward?

Answer 5

start the turn when obstacle is at -10 deg down line on the HUD
using full tiller, symmetric engine thrust and no differential braking

Question 6

What can you use as a reference for 81 ft from the main gear when taxiing forward?

Answer 6

start the turn when obstacle is just above the CDI dots on HUD
using full tiller, asymmetric engine thrust and differential braking

Question 7

What can you use as a reference for the main gear?

Answer 7

the edges of the -5 down line on the HUD
the top corner of the kick window
the windshield wiper screw for the opposite side

Question 8

What can you use as a reference for the main gear when positioning for a star turn?

Answer 8

the edges of the -5 down line on the HUD

Question 9

What is the C-17 backing capability?

Answer 9

at 586,000 lbs, the aircraft can back up a 2% slope at sea level and 90 deg F

Question 10

How much can the effective gross weight of the aircraft increase during backing?

Answer 10

89,000 lbs

Question 11

What is the power technique when all engines are over identically prepared surfaces?

Answer 11

frowny face and ~50% N1

Question 12

What is the power technique when the outboard engines are over unprepared surfaces with the inboards over prepared or debris-free surfaces?

Answer 12

smiley face and ~50% N1

Question 13

What can be done to minimize compressor stalls?

Answer 13

avoid power settings greater than 65-70% N1 and turn on engine anti-ice

Question 14

What is a safe backing speed?

Answer 14

3 to 5 knots

Question 15

When can tire scrubbing occur?

Answer 15

20 deg to 25 deg of nosewheel deflection

at heavier weights it may not occur until 40 deg

Question 16

What is the required taxiway/runway width to complete a 180 deg turn?

Answer 16

143 ft or 116 ft

Question 17

What is the required taxiway/runway width to complete a star turn?

Answer 17

90 ft

Question 18

What is the purpose of an ERO?

Answer 18

to reduce ground time

Question 19

What should be considered in regards to an ERO location and position?

Answer 19

avoid tailwinds, limit personnel exposure to small arms threats, and plan for a possible immediate departure if attacked

Question 20

What is the purpose of a combat offload?

Answer 20

expedite ground time or offload without ground support

Question 21

What should be considered in regards to a combat offload location and position?

Answer 21

taxi surface of 1000’ min in front of the aircraft

1500’ is desired

Question 22

What can be used to ensure 1000’ for the combat offload?

Answer 22

with TOGA engaged, the bottom of the flight director bank steering bar marks 1000’