Limatations Flashcards
Min Rwy width
90ft
Min rwy length
3,500ft
Below this need DDH approval
Min taxi width
50ft
T+G limits
Min length 7000ft
Min width 120ft
Max crwind 25kts
RCR of 12
En route terrain clearance
Greater than 20,000
3 engine
Within 5nm
Cleared by 2,000ft
If more than 90 mins from div adequate clearance on 2 Eng
Cat II Wx min
Cross wind less than 10kts
Max OAT for T/o
-2000’ - 2,500’ 49deg
-1 degree per 500’
Ie. 7,500’ pressure alt = max OAT 39
Max gust on the ground
70kts
Hydraulic dampeners still active up to 72hours
Max CX for landing
30kts
Max hdg wind for t/o / ldg
40kts
Max tailwind
10kts
Min /max oil pressure
Min 70 psi
Max 250 psi (but won’t show)
Max oil temp
Warning above 177
50 min for t/o
If n2 rpm is above 73% oil pressure warming below 80 psi . Below 70 any other time
Engine start attempts
Max 5 in 1 hour
1 hour cooling time after this
When does the starter disengage?
N2 51%
Min oil pressure for start
5 psig
Max EGT for ground start
495 degrees
Can we exceed 5 mins on MAX or DRT
Yes but only for:
EFATO
Engine out GA for obstacle clearencdc
APU start attempts
3 start in an hour
5 min delay between each start
Idle/ idle reverse max EGT
460/490
Max AOB
70 degrees
But 60 limit on hud
Max fuel imbalance sustained
Between wings
8,000lbs
More than 152,000 fuel?
Must be at least 30,000 in outboard tanks
Less than 152,000lbs fuel
Max imbalance between inboard and outboard wing talks is 8,000lbs
Less than 4,000lbs per tanks?
Limit AOB and pitch to avoid flame out
Fuel used
Kerosene Jp-8
NATO - f-34
Freeze point -47 degrees
Alternate fuel list in dash 1
Break temp limits
Orange above 650
Red above 750 deg
Tire Limit
NWL normal wear limit - first outer cord layer
MWL - exposure of 3 layer + 2 landings
Taxi limits
Max - 40kts
490,000 + - 20kts
Assymetric or below 165,000 15kts
Max rate of descent
20,000ft per min
How many landings before cooling?
Ldg gear
4 landing
10 min gear down
20 mins gear up
* if any of these in between 2 landings you can have 4 more
Full flap fuel limit?
165,000
Max Sink rate ldg
585 - 600 ft per min
502 - 660 ft per min
435 - 750 ft per min
Max weight for full flap landing
502,100
Slat extend / retract
Extend - 280. 0.62
Retract - 270
Flaps
0.62
1/2 - 250 kcas
3/4 - 190 kcas
Full - 175 kas
Speed break limit
Full VL
Landing gear
Extend - 250
Retract - 225
Down/locked - 250
Air defector
Troop doors
Cargo door/ramp
250
Pilot window
205
Max speed for reverse thrust
350
But 250 or Vmma is recommended
Roll rate limit
10 degree per second
Rate 1 turn
3 deg per second
180 1 min
360 2 min
TAS/10 + 7
250 kts /10 = 25 deg = 32
Allowable load factor with flaps or slats
2 g
During ldg extension load factor
Max 2.25 g ext/retraction
Over temp of fire extinguisher
205 degrees F
96 c
How long can the engine continue after the fire handle is pulled?
Shut off valves close at the wing Spar and the Fuel control unit
Enough fuel for 1.5 minutes
Fuel tanks
4 integral wing tanks
Cross feed to any engine
4 transfer pumps
8 tank boost pumps
