Limitations Flashcards
(79 cards)
1
Q
Maximum runway slope
A
+-2%
2
Q
Maximum speed in RVSM
A
MMO 0.90M
3
Q
Max operating altitude
A
45,100ft
43,100ft -8
4
Q
Max take off and landing altitude
A
10,000ft
5
Q
Max field elevation
A
9,500ft
6
Q
Crosswind
Dry runway 6
A
35kts take off
35kts landing
7
Q
Crosswind
Frost
Wet (includes damp and less than 1/8” (3mm) depth of water)
Less than 1/8” (3mm) depth: slush, dry snow,wet snow
Rwy condition 5
A
Braking good
Takeoff 25kts
Landing 32kts
8
Q
Crosswind
-15deg and colder OAT
Compacted snow
Rwy condition 4
A
Good to medium braking
17kts take off
25kts landing
9
Q
Crosswind
Slippery when wet( wet runway)
Dry or wet snow (any depth) over compacted snow.
1/8” (3mm) depth of greater: dry snow, wet snow.
Warmer than -15deg OAT compacted snow
Rwy condition 3
A
Medium braking
15kts take off
20kts landing
10
Q
Crosswind
1/8” (3mm) depth or greater:
Water slush
Rwy condition 2
A
Medium to poor braking condition
12kts take off
15kts landing
11
Q
Crosswind
Ice
Rwy condition 1
A
Poor braking
10kts takeoff
13 kts landing
12
Q
Crosswind Wet ice Water on top of compacted snow Dry snow or wet snow over ice Rwy condition 0
A
Nil braking
Nil crosswind
13
Q
Maximum steady state crosswind
747-8
A
35kts
14
Q
Turbulent air penetration speed
A
290-310kts/ .82 to .85M
310kts/ .83M 747-8
Whichever is lower
15
Q
Maximum taxi weight 747-8
A
449,056kg
16
Q
Maximum take off weight 747-8
A
447,695kg
17
Q
Maximum landing weight 747-8
A
346,090 kg
18
Q
Maximum ZFW 747-8
A
329,761kg
19
Q
Maximum taxi weight 747ERF
A
414,129kg
20
Q
Maximum take off weight 747 ERF
A
412,769kg
21
Q
Maximum landing weight 747 ERF
A
302,092 kg
22
Q
Maximum ZFW 747 ERF
A
288,031 kg
23
Q
Tires speed requirement
A
Tires must be capable of 235mph true ground speed
24
Q
Min AP engagement height after take off 747-8
A
200ft HAA
25
Without land 2 or land 3 the AP must be disengaged by?
| 747-8
100ft RA
26
Use of aileron trim with AP engaged
Prohibited
27
Use of FLCH on final below 1000ft AFE
Prohibited
28
Tailwind limitations
15kts take off, landing, LVO
| 10kts take off above 375,574kg for -400 pax and freighter
29
AP engagement after take off?
| 747
250ft AGL
30
AP disengagement for single channel ILS?
| 747
100ft AGL
31
AP disengagement for non precision approach?
| 747
360ft AGL
32
LVO limitations
```
Headwind-25kts
Tailwind- 15kts
Crosswind-15kts
Max glide slope- 3.25 degrees
Min glide slope- 2.5 degrees
Must use flaps 25/30
```
33
Flight controls note
Avoid rapid and large alternating control inputs, especially in combination with large changes in pitch, roll or yaw as they may result in structural failure at any speed
34
Maximum altitude with flaps extended?
20,000ft
35
Prolonged holding speeds
Flap 1-250kts
| Flap 5- 230kts
36
Speed brake and flap note
Speed brakes in flight with flaps extended past 20 is not recommended
37
Minimum fuel tank temperature prior to takeoff?
747 pax and freighter = -40 degrees
| 747 PW & ERF
38
FUEL LOW CTR L OR R is displayed?
Both CWT override/jettison pumps must be selected off.
39
FUEL PRESS CTR L OR R is displayed?
The corresponding CWT override/jettison pump must be selected off.
40
Anti ice system usage on the ground?
Engine anti-ice must be selected ON immediately after engines are started and remain on during all ground operations when icing conditions exist or are anticipated except when temperatures are less than -40 degrees OAT.
41
Anti ice system usage in flight?
Engine anti ice must be AUTO or ON during all flight operations when icing conditions exist or are anticipated, except when the temperature is below -40 degrees SAT.
42
Icing conditions ground definition?
Icing conditions exist when the OAT on the ground and for the take off is 10 degrees or below when operating on ramps, taxiways or runways where surface snow, ice, standing water or slush may be ingested by the engines or freeze on engines, nacelles or engine sensor probes.
43
Icing conditions airborne definition ?
Icing conditions exist when the OAT on the ground and for take off, or TAT in flight is 10 degrees or below and visible moisture in any form is present (such as clouds, fog with visibility of one mile or less, rain, snow, sleet and ice crystals).
44
Max allowable in-flight difference between Captain and First Officer altitude displays in RVSM?
200ft
45
Max allowable on ground altitude display differences?
Max difference between Captain and FO= 35ft below 5,000ft field elevation, 40ft above 5000ft.
Max difference between Captain or FO and field elevation= 75ft
46
VNAV operation restriction?
If levelling off within 2000ft 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 29.70in/1006 hPa. After the level off is complete VNAV may be re-engaged.
47
APU in flight limitations?
Do not operate APU above 20,000ft.
- Do not use APU bleed air above 15,000ft pressure altitude.
- Do not use APU generator power.
- Do not attempt to start APU in flight.
Additional for all types except -8
- The APU may be used to supply bleed air to air conditioning pack #2 for take off, provided the isolation values remain closed. If engine failure occurs, do not change air conditioning bleed configuration until flap retraction altitude has been achieved.
48
Ground wind limits for all doors:
Doors opening or closing- 40kts
| Doors open- 65kts
49
Max GND start EGT 747-8?
750 degrees
50
Max AIR start EGT 747-8?
875 degrees
51
Max take off EGT 747-8?
1060 degrees for 5 minutes
May be used for up to 10 minutes in the event of a engine failure.
52
Max continuous 747-8?
1030 degrees unrestricted
53
Max operational limit N1 & N2 747-8?
```
N1= 106.7%
N2= 117.5%
```
54
Maximum oil temperature 747-8?
177 degrees for 15 minutes
55
Max oil temperature continuous operation 747-8?
160 degrees unrestricted
56
Minimum before advancing thrust levers to T/O power 747-8?
Rise should be indicated prior to take off - no minimum temperature.
57
Minimum oil pressure 747-8?
10 psi at idle
58
Tailwind and crosswind ground operations 747-8?
For crosswinds above 35kts, limit engine power levels to taxi power (45% N1).
For tailwind component above 5kts and winds above 26kts, limit engine power levels to taxi power (N1 45%).
For winds above 55kts limit engine power to idle.
Engines must be shut down when the 90 degree crosswind component exceeds 55kts.
59
Engine vibration indications 747-8?
Above 4 units do not take off.
60
Max GND start EGT ERF & PW?
535 degrees
61
Max AIR start EGT ERF & PW?
650 degrees
62
Max take off EGT ERF & PW?
650 degrees
5 minutes
May be used for 10minutes in the event of a engine failure during take off.
63
Max continuous EGT ERF & PW?
625 degrees unrestricted
64
Max oil temperature ERF & PW?
177 degrees for 20 minutes
65
Maximum oil temperature continuous operation ERF & PW?
163 degrees unrestricted
66
Minimum oil temperature before advancing thrust levers to T/O power ERF & PW?
50 degrees
67
Minimum oil pressure ERF & PW?
70 psi
68
Continuous ignition must be on when?
Heavy rain
Moderate/Severe turbulence
Volcanic ash
Upon entering icing conditions 60 second min
When standing water or slush exists in the runway (contamination)
69
Engine start limits PW & ERF?
Maximum re engage- 20% N2.
Duty cycle
Up to 5 minutes continuous then run down to zero.
Up to further 5 minutes continuous then run down to zero. Allow 20 minutes cooling.
Up to a further 5 minutes continuous then run down to zero.
70
Continuous ignition is automatically provided when?
Trailing edge flaps are out of up.
| Nacelle Anti ice is on.
71
Maximum landing gear extension/extended/retraction?
Retract- 270kts/0.82M
Extension- 270kts/0.82M
Extended- 320kts/0.82M
72
Cabin pressurisation
Maximum differential?
Maximum allowable cabin differential for take off and landing?
Maximum differential pressure (relief valves)? 9.4psi
Maximum allowable cabin pressure differential for take off and landing? 0.11psi
73
APU start duty cycles and cool down period 747 all types except -8?
Between starts 1&2= 1 min
Between starts 2&3= 1 min
Between starts 3&4= 75min
Cool down period of 2 minutes required prior to turning off APU.
74
APU start and duty cycles for -8?
Starting with TR transformer rectirfier.
Between starts 1&2= 1 min
Between starts 2&3= 10min
Between starts 3&4= 75 mins
Battery start duty cycles and cool down period are the same for -8
75
Minimum width of pavement for 180 degree turn?
153 ft/ 46.6m
76
MRW BCF
395,986kg
77
MTOW BCF
394,625kg
78
MZFW BCF
276,691kg
79
MLW BCF
295,742kg
