General Limitations Flashcards
MTOW
250,000lbs
MLW
210,000
Wingspan
123’ 9” w/ winglets
Distance between main gear strut
24ft
Minimum pavement width for a 180 degree turn
120
What is the turbulent air penetration speed?
290kts or .78kts, whichever is lower
How many consecutive APU starts (or attempts) can be made within a 60min period?
Three
What are the aircraft equipment usage limitations during refueling?
No transmitting on HF, do not use radar within 50’ of fueling operations.
Maximum on ground altitude difference between Captain (or FO) altimeter and field elevation for RVSM
75’
Maximum allowable IN-FLIGHT difference between CA and FO altitude display for RVSM.
200’
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?
One pack= 38 degrees
two pack= more than 49 degrees
Maximum Fuel temperature
49c
Minimum Fuel Temp
-45c or 3c abouve the freezing point, whichever is higher
Can the center tanks have fuel when the main tanks are not full?
Yes, up to 2,000lbs as long as actual ZFW plus the center tank fuel weight does not exceed ZFW limit
Maximum fuel imbalance
1950lbs
When does the FUEL CONFIG light illuminate for an imbalance of fuel?
1800lbs
What is the limitation regarding takeoff with less than 5000lbs of fuel in the center tanks?
Center fuel pumps must be switched off
Maximum altitude with flaps extended
20,000
What is the maximum EGT limit for starting engines
545 degrees
What is the maximum EGT limit for takeoff?
645 degrees for 5min
What is the maximum EGT limit for continuous operations?
615
How are the engine limit display marked (colors)?
Amber- precautionary
Red- minimum and minimum limits
Are there any EICAS related limitations during takeoff?
Yes, crew shall not blank the engine vibration display
What is the minimum engine oil pressure?
Idle- 70psi
all other conditions- 80psi
What is the maximum oil temp for unrestricted use?
163c
Are we allowed to back up the aircraft using reverse thrust?
no
Below what temp can icing condition on the round or inflight be expected with visible moisture?
10c
When must engine anti-ice be used?
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
When must periodic engine run ups must be made during ground operations prior to departure?
When operating in icing conditions engine anti-ice is required and the OAT is 3c or below
What is the normal cabin pressure differential?
8.6psi
What is the max cabin pressure differential?
9.1 psi
What is the max allowable cabin pressure differential for takeoff and landing?
.125psi
Are there any limitations regarding the use of flight control trim system with the auto pilot engged?
Yes, use of aileron trim prohibited
Name the conditions we must ABORT engine start?
- 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
What till illuminated the ACCESS DORS overhead panes annunciator light?
FWD equip bay or the electrical equipment compartment door is not locked and latched
