General Limitations

Question 1

MTOW

Answer 1

250,000lbs

Question 2

MLW

Answer 2

210,000

Question 3

Wingspan

Answer 3

123’ 9” w/ winglets

Question 4

Distance between main gear strut

Answer 4

24ft

Question 5

Minimum pavement width for a 180 degree turn

Answer 5

120

Question 6

What is the turbulent air penetration speed?

Answer 6

290kts or .78kts, whichever is lower

Question 7

How many consecutive APU starts (or attempts) can be made within a 60min period?

Answer 7

Three

Question 8

What are the aircraft equipment usage limitations during refueling?

Answer 8

No transmitting on HF, do not use radar within 50’ of fueling operations.

Question 9

Maximum on ground altitude difference between Captain (or FO) altimeter and field elevation for RVSM

Answer 9

75’

Question 10

Maximum allowable IN-FLIGHT difference between CA and FO altitude display for RVSM.

Answer 10

200’

Question 11

At what temp must at least one pack, or equal cooling method be used on the ground for cooling when electrical power is used for more than 20 minutes? What temp must both back be used?

Answer 11

One pack= 38 degrees
two pack= more than 49 degrees

Question 12

Maximum Fuel temperature

Answer 12

49c

Question 13

Minimum Fuel Temp

Answer 13

-45c or 3c abouve the freezing point, whichever is higher

Question 14

Can the center tanks have fuel when the main tanks are not full?

Answer 14

Yes, up to 2,000lbs as long as actual ZFW plus the center tank fuel weight does not exceed ZFW limit

Question 15

Maximum fuel imbalance

Answer 15

1950lbs

Question 16

When does the FUEL CONFIG light illuminate for an imbalance of fuel?

Answer 16

1800lbs

Question 17

What is the limitation regarding takeoff with less than 5000lbs of fuel in the center tanks?

Answer 17

Center fuel pumps must be switched off

Question 18

Maximum altitude with flaps extended

Answer 18

20,000

Question 19

What is the maximum EGT limit for starting engines

Answer 19

545 degrees

Question 20

What is the maximum EGT limit for takeoff?

Answer 20

645 degrees for 5min

Question 21

What is the maximum EGT limit for continuous operations?

Answer 21

615

Question 22

How are the engine limit display marked (colors)?

Answer 22

Amber- precautionary
Red- minimum and minimum limits

Question 23

Are there any EICAS related limitations during takeoff?

Answer 23

Yes, crew shall not blank the engine vibration display

Question 24

What is the minimum engine oil pressure?

Answer 24

Idle- 70psi
all other conditions- 80psi

Question 25

What is the maximum oil temp for unrestricted use?

Answer 25

163c

Question 26

Are we allowed to back up the aircraft using reverse thrust?

Answer 26

no

Question 27

Below what temp can icing condition on the round or inflight be expected with visible moisture?

Answer 27

10c

Question 28

When must engine anti-ice be used?

Answer 28

During all ground operations (except de-icing) flight operations when icing conditions exist or are anticipated, except during climb and cruise when the temp is below -40 SAT MUST be on prior to top of decent even if temperature is less that -40 SAT

Question 29

When must periodic engine run ups must be made during ground operations prior to departure?

Answer 29

When operating in icing conditions engine anti-ice is required and the OAT is 3c or below

Question 30

What is the normal cabin pressure differential?

Answer 30

8.6psi

Question 31

What is the max cabin pressure differential?

Answer 31

9.1 psi

Question 32

What is the max allowable cabin pressure differential for takeoff and landing?

Answer 32

.125psi

Question 33

Are there any limitations regarding the use of flight control trim system with the auto pilot engged?

Answer 33

Yes, use of aileron trim prohibited

Question 34

Name the conditions we must ABORT engine start?

Answer 34

- NO EGT increase within 20sec of moving fuel control switch to RUN - No N1 rotation by 40% N2 - EGT nears or exceeds the start limit - N2 is not idle within 2min after fuel control switch set to RUN - OIL PRESSURE indication is not normal by the time the engine is stabilize at idle

Question 35

What till illuminated the ACCESS DORS overhead panes annunciator light?

Answer 35

FWD equip bay or the electrical equipment compartment door is not locked and latched