AOM Limitations Flashcards
Maximum N1, low pressure compressor limit (-4,-8)
-4: 117.5%
-8: 106.7%
N2, high pressure compressor, maximum (-4, -8)
-4: 112.5%
-8: 105.5%
APU start cycle limitations
Between starts 1 & 2: 1min (TR wait), 1 min (batt)
Between starts 2 &3: 10 min (TR wait), 1 min (batt)
Between starts 3 & 4: 75 min (TR wait), 75 min (TR wait)
Restriction on speedbrakes inflight
use of spreedbrakes inflight with flaps extended beyond 20 degrees is not recommended
- DO NOT use speedbrakes below 1000ft AFE
Use of quiet climb for takeoff weights less than ___ is prohibited (-8)
650,000 lbs
Fuel temperature minimum limits (-4,-8)
-4: Fuel freeze + 3C
-8: Fuel freeze + 3C or -48C, whichever is higher
Maximum transient EGT (-4, -8)
-4: 870C (40 sec), during start
-8: 1060C (30 sec)
Maximum Continuous EGT ?
(-4, -8)
-4: 925C
-8: 1030C
APU negative pressure altitude limit is?
Do not operate APU below negative 1000 feet pressure altitude.
Do not extend flaps between positions ___ during fuel jettison
1 and 5 degrees
Maximum altitude with flaps extended
20,000 ft
When is reverse thrust prohibited?
Inflight and for backing the aircraft.
In icing conditions, if engine vibration indications are available and above ___ units, do not takeoff (-8)
4 units
For winds greater than ___ limit engine thrust to idle (-8)
55 kts
Engines must be shutdown when crosswind component exceeds ___ (-8).
55 kts
For tailwind component greater than ___ and winds greater than ___, limit thrust to ___ (-8).
5 kts, 26 kts, 45 %N1
For crosswind greater than ___, limit thrust to a setting not to exceed ___. (-8)
35 kts, 45%N1
When must continuous ignition be used (-4)
(auto activated with anti-ice)
- Icing conditions;
- Severe turbulence;
- Heavy precipitation
- Volcanic ash
- Slush & Standing.
Maximum continuous and maximum transient oil temperature and time (-4, -8)
-4: 160 continuous, 175 transient (15 min)
-8: 160 continuous, 177 transient (15 min)
Inflight start
maximum EGT
(-4, -8)
-4: 750C (unlimited)
-8: 875C (unlimited)
or
975C for airstarts following inflight high power fuel cut.
Maximum takeoff EGT (-4, -8)
-4: 960C (5 minutes)
-8: 1060C (5 minutes, or 10 minutes if loss of thrust on engine during takeoff)
Minimum oil pressure
10 PSI
Ground start maximum EGT
750C unlimited
Autoland wind limits
HW 25 kts
XW 25 kts
TW 15 kts
Autoland glideslope angle limits
Maximum: 3.25 degrees
Minimum: 2.5 degrees
Autoland flap limitations
Only at flaps 25 or flaps 30 degrees
For single channel ILS approaches, the autopilot must be disengaged before the airplane descends below ___.
100 ft AGL
Maximum landing weight (-4, -8)
-4: 652,000 lbs
-8: 763,000 lbs
Maximum zero fuel weight (-4, -8)
-4: 610,000 lbs
-8: 727,000 lbs
With Aft fire suppression system armed __________.
Turning any pack switch off is prohibited.
When must nacelle anti-ice be used?
During all ground and flight operations…
where icing conditions exist or are anticipated.
How many window heat windows may be inoperative?
Only 1 number 1 or 1 number 2, provided flight is not dispatched into known icing conditions
Use of ___ with autopilot engaged is prohibited.
Aileron trim
Minimum altitude for autopilot after takeoff (-4, -8)
-4: 250 AGL
-8: 200 AGL
Without LAND 2 or LAND 3 annunciated, the autopilot must not remain engaged ___.
Below 100’ RA
Do not use FLCH on final approach below ___.
1,000 AFE
When do icing conditions exist?
10C or below in visible moisture (rain, snow, sleet, ice, fog vis below 1.0mi).
Do not use anti ice if OAT or TAT exceeds ___.
10C
Maximum differential pressure for takeoff and landing.
0.11 PSI
Maximum differential pressure (relief valve).
9.4 PSI
When must smoke barrier door be closed (-4, BCF)?
-4: During taxi, takeoff, inflight, and landing
BCF: During taxi, takeoff, and landing
When must ladder enclosure door be closed (-8)?
-8: Taxi, takeoff and landing.
Enclosure must be closed inflight except when entering and leaving main deck compartment.
Maximum fuel transfer weight (-8)
827,366 lbs
Maximum takeoff weight (-4, BCF, -8)
-BCF: 870,000 lbs
-4: 875,000 lbs
-8: 987,000 lbs
Maximum taxi weight (-4, BCF, -8)
-4: 873,000 lbs
N570-N577: 878,000 lbs
N580-N583: 877,000 lbs
-8: 990,000 lbs
Maximum inflight weight, landing flaps (-4)
-4: 670,000 lbs
Minimum inflight weights (-4, BCF, -8)
-4: 361,200 lbs
BCF: 367,500 lbs
-8: 402,000 lbs
Wind limits for door
Opening and closing: 40 kts
While open: 65 kts
Turbulent air penetration speed (-4, -8)
-4: 290 to 310 or 0.82 to 0.85 whichever is lower
-8: 310 or 0.83 whichever is lower
Maximum tire speed (-4, -8)
-4: 235 MPH
-8: 235 MPH, 260 MPH for overspeed landing
Maximum mach for RVSM
0.90
Landing gear operating speeds
Extension and retraction:
270 KIAS/ M 0.82
- Extended: 320/ M 0.82
Maximum takeoff and landing pressure altitude
10,000 feet PA
Flaps up and down acceleration limits
- Flaps Up: 2.5G to -1.0 G
- Flaps Down: 2.0 to 0G,
-8 linearly decreases from
2G to 1.5G
and maximum landing weight with flaps 25 or 30.
Maximum difference between altimeters on ground
- SL to 5,000ft: 35ft
- 5,000 to 9,500ft: 40 ft
-4 flap speeds
1: 280 KIAS
5: 260 KIAS
10: 240 KIAS
20: 230 KIAS
25: 205 KIAS
30: 180 KIAS
Mmo (-4, -8)
-4: 0.92
-8: 0.90
Main deck occupancy (-4, BCF, -8)
-4: Prohibited during taxi, takeoff, flight and landing
BCF & -8: Prohibited during taxi, takeoff and landing
Upper deck occupancy (-4, BCF, -8)
-4: No more than 4 other than flight crew members for a total of occupants not to exceed 8
BCF: Total number including crew shall not exceed 12
-8: Max of 6 supernumeraries. Including crew shall not exceed 8 persons
O2 requirements for upper deck occupants
Adequate quantity for each occupant for flight at 25K feet cabin altitude to the nearest suitable airport when cargo compartment is loaded with class E. If in cabin depressurization oxygen flow to masks not in use must be turned off.
Maximum pressure altitude (-4, -8)
-4: 45,100 feet
-8: 43,100 feet
-8 flap speeds
1: 285 KIAS
5: 265 KIAS
10: 245 KIAS
20: 235 KIAS
25: 210 KIAS
30: 185 KIAS
Minimum runway width for -8
150 feet wide, 180° turns are not authorized.
Maximum difference between altimeter and field elevation
75 feet
Maximum allowable difference in altimeters for RVSM operations
200 feet
Maximum crosswind for takeoff and landing
30 knots
Maximum field elevation
9,500 feet
Maximum takeoff and landing tailwind
15 knots
Maximum runway slope
2 percent
When must a supernumerary portable O2 be carried during flight?
When in the main cargo deck
Chapters of the AOM
- 1: Limitations
- 2: Non-normal
- 3: Normal
- 4: Supplementary
- 5: Performance
If leveling off within ___ feet after changing altimeter setting from QNE to QNH or QNH to QNE, do not use VNAV to execute the level off if QNH is less than __ in/ __ hPa. After the level off is complete VNAV may be reengaged.
2,000, 29.70, 1006
