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B747-400 > Limits > Flashcards

Limits Flashcards

1
Q

Minimum altitude for auto pilot engagement after take off?

A

400 feet

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2
Q

When must auto pilot be disengaged on approach?

A

50 feet below MDA unless coupled to ILS or in the go around mode.

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3
Q

Lowest altitude for auto pilot use on single channel approach?

A

100 feet

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4
Q

Can aileron trim be used while auto pilot engaged?

A

It’s prohibited

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5
Q

Maximum wind speeds during autoland

A

HW-25
TW-15
XW-25

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6
Q

Maximum and minimum glideslope angles during autoland

A
  1. 25

2. 5

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7
Q

Minimum threshold crossing height during autoland

A

40 feet

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8
Q

When has satisfactory auto pilot and flight director performance been observed?

A

Throughout the flight envelope with both yaw dampers in operative

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9
Q

Flap settings for auto land

A

25/30

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10
Q

ASA indications for autoland

A

LAND 2

LAND 3

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11
Q

EICAS message that prevents autoland

A

NO AUTOLAND

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12
Q

What if they are parts is the airplane certified under?

A

FAR part 25 and 36

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13
Q

Wind limit for operating doors

A

40 kts

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14
Q

Wind limit for door open

A

65 knots

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15
Q

Smoke barrier door limit

A

must be closed during taxi, takeoff, flight, and landing , except when entering or leaving the main deck cargo compartment in flight

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16
Q

What class are the main deck cargo compartments?

A

Class E

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17
Q

What is a class E cargo compartment?

A

All airflow can be shut off to start a fire of oxygen. This is done by shutting off the pack valves for example

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18
Q

What class are the lower deck cargo compartments?

A

Class C

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19
Q

What is a class C cargo compartment?

A

It has a smoke detection system and fire extinguishing built in

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20
Q

Where do you find policies regarding supernumeraries access to the flight deck?

A

GOM appendix J

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21
Q

Maximum flight deck occupancy

A

4

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22
Q

Total supernumeraries on a BCF

A

20

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23
Q

Who briefs the supernumeraries?

A

First officer

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24
Q

Supernumeraries in the main deck cargo area

A

Maximum of three.

Must carry oxygen masks with full face mask

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25
Total supernumeraries on Boeing factory freighter
6
26
Total souls allowed on factory freighter
8
27
Total souls on BCF
24
28
Supernumeraries and cargo area
They may not occupy during taxi take off and landing
29
BCF upper deck door and supernumerary
Power assists and slide must be armed with lever in automatic prior to taxi take off and landing
30
Factory freighter upper deck door
Slide must be locked in forward position during taxi take off and landing with people in upper deck area
31
Maximum Taxi weights
873 913 878 877
32
Max take off weight
870 910 875
33
Max weight in-flight with landing flaps
670
34
Max landing weight with flaps 25 or 30
652 653 666
35
Max zero fuel weight
610 611 635
36
Weight and balance
Must be determined by an approved loading schedule
37
Max tire speed's for both airplanes
235 MPH | 204 kts
38
Max runway slope
+\- 2%
39
Max take off and landing tailwind
15 kts
40
Max operating altitude
45,100
41
Max take off and landing altitude
9,500' field elevation
42
Turbulent air penetration speed
290-310 | .82-.85
43
Max take off Crosswinds
Dry 40 (not a limit if all engines running) Wet 25 Standing water/slush 15
44
Max landing crosswinds and sideslips
Do not use sideslip method with crosswind components in excess of 20 knots
45
Standing water/heavy snow/slush
1/2 inch
46
Dry snow take off
2.4 inches
47
Dry snow landing
4 inches
48
Flaps up acceleration limits
+2.5 to -1
49
Flaps down acceleration limits
+2 to 0
50
Max gear retract extend speed
270 | .82
51
Max gear extended speed
320 | .82
52
Max flap speeds
1. .....280 5. ......260 10. .....240 20. .....230 25. .....205 30. .....180
53
Max speed in RVSM
.90
54
Operating with landing gear extended
``` No RVSM 50 miles from land MTOW...720 VMO......270 Mmo......73 Severe Turb speed.....240-260/.66 ```
55
Max differential
9.4 psi
56
Max differential for takeoff and landing
.11 psi
57
Minimum altitude for auto pilot engagement
400'
58
Lowest altitude for auto pilot on approach
50' below MDA unless on ILS or G/S. | Single AP ILS 100'
59
Aileron trim and auto pilot
Use of trim prohibited well auto pilot engaged
60
Max windspeed for autoland
HW-25 TW 15 XW CAT 1 25 XW CAT 2/3 15
61
Maximum and minimum glideslope angles
3.25-2.5
62
Flat settings for auto land
25/30
63
Minimum threshold crossing height for autoland
40'
64
ACARS and C VHF radio
Do not use for ATC communications
65
HF Radio
Do not use during refueling
66
Large and alternating control inputs
Avoid rapid and large alternating control inputs, especially in combination with large changes in pitch, roll or yaw (e.g. large side slip angles) as they may result in structural failure at any speed, including below VA.
67
Max flap extension
20,000
68
Standby altimeters and RVSM
They don't meet the tolerance requirements
69
In-flight RVSM altimeter difference
200' between captain and first officer
70
RVSM differences on the ground
SL-5000. 35. 75 | 5000-10000. 40. 75
71
Minimum fuel temperature
Must be maintained 3°C above the freeze point.
72
Freeze point of jet A fuel
-40
73
Max fuel temperature
54
74
Flaps and fuel dump
Don't extend or retract between 1 and 5
75
HF radios and fuel
Don't use during refueling operations
76
Ballast fuel and center wing tank
Simultaneous loading of mission fuel and ballast fuel in center wing tank prohibited
77
Ballast fuel and sensed fuel quantity
FMC PERF INIT page sensed fuel must be manually overridden using the “ramp fuel w/o ballast” value from the weight & balance report.
78
Standard minimum ramp fuel
72,000 excluding ballast
79
Conditional minimum ramp fuel
53,000 with approval-excluding ballast
80
Window heat
Must be on for all normal operations
81
General nacelle anti-ice operation
Must be on for all icing conditions ground or flight unless below -40 OAT
82
Ground icing conditions
10 degrees OAT with contaminated surfaces and or visible moisture (1 mile)
83
In-flight icing
10 degrees TAT and visible moisture
84
Reducing thrust for descent in icing conditions
Nacelle anti-ice must be on
85
Icing conditions at or below 22,000 feet
Wing and nacelle anti-ice must be on
86
Ice crystal icing conditions
Ice detection system cannot detect ice crystal icing. Nacelle anti-ice must be on even below -40
87
QFE
Prohibited
88
TCAS RA
May deviate from ATC clearance to meet
89
Terrain display
Do not use for navigation
90
GPWS terrain database
Do not use terrain function within 15 miles of an airport that doesn't have a terrain database
91
Minimum equipment for 3/4-4000 approach
1 LOC/GS
92
Minimum equipment for a 1/2-1800 approach
1 LOC/GS | 1 FD
93
Minimum equipment for a coupled 1/2-1800 approach
1 LOC/GS | 1 AP
94
Minimum oxygen pressures
Crew 1400 Passenger 1400 Walk Around 1200
95
Battery switch and APU
Must remain on during all APU operations including cool down
96
APU altitudes
Do not use below -1000 feet
97
When must continuous ignition be on
``` heavy rain • severe turbulence • volcanic ash • icing conditions • standing water or slush on runway ```
98
Use of reverse thrust
Ground only. | Do not use for backing up.
99
Normal engine starter duty cycle
1 minute on | 1 minute off
100
Extended starter duty cycle
1-5 minutes ON; then OFF until 0% N2. • 5-10 minutes ON; then 20 minutes off. • 10-15 minutes ON; then 30 minutes off.
101
MAX N1 and N2
N1......117.5 | N2......112.5
102
EGT Limits
Starting (Unlimited) ....................750°C Starting (Transient 40 seconds) .....870°C Takeoff (5 Minutes) .........................960°C Maximum Continuous .....................925°C
103
EEC in ALTN mode
Take off thrust must be set after brake release
104
Minimum oil pressure
10 psi
105
Oil temperature limits
Max. Continuous .............160°C | Max. Transient 15 Minutes .............175°C
106
PW 4056 Temp Limits
Starting (unlimited)..... 535 Take off 5 mins...........650 Max Continuous.........625
107
PW 4056 Minimum oil quantity for departure
<4 hours........12 | =>4 hours........16
108
PW 4056 Minimum oil pressure
70 psi
109
PW 4056 Oil temperatures
Continuous......163 | Transient (20 mins)....177

B747-400 (5 decks)

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