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Boeing 747 > Limitations > Flashcards

Limitations Flashcards

(78 cards)

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1
Q

Maximum Differential Pressure

A

9.4 psi

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2
Q

Maximum Allowable Cabin Pressure Differential For Takeoff And Landing

A

0.11 psi

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3
Q

When is the use of aileron trim prohibited?

A

When the autopilot is engaged.

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4
Q

Minimum Altitude to Engage Autopilot: After Takeoff and Initial Climb

A

500 Feet

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5
Q

Minimum Altitude to Disengage Autopilot: Non-precision Approaches

A

50 Feet below MDA

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6
Q

Minimum Altitude to Disengage Autopilot: Single Channel ILS Approaches

A

100 feet AGL

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7
Q

Minimum Altitude to Disengage Autopilot: Autoland (Two or Three Autopilots)

A

Touchdown/Rollout

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8
Q

Maximum Autoland Glide Slope Angle

A

3.25 degrees

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9
Q

Minimum Autoland Glide Slope Angle

A

2.5 degrees

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10
Q

At what flap setting may you make an Autoland?

A

Flaps 25 or 30

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11
Q

Autoland - Maximum Wind Component: Headwind

A

25 Knots

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12
Q

Autoland - Maximum Wind Component: Tailwind

A

10 Knots

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13
Q

Autoland - Maximum Wind Component: Crosswind

A

25 Knots

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14
Q

Autoland - Maximum Wind Component: CAT II/III

A

15 Knots

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15
Q

Do not use HF Radios when?

A

During refueling operations

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16
Q

When is the center VHF radio not approved for ATC voice communications?

A

With an operational ACARS system.

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17
Q

What is the Desired Oxygen Pressure for the Crew System? (Land and Ocean)

A
  • 950 psi (Land)
  • 1,200 psi (Ocean)
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18
Q

What is the Desired Oxygen Pressure for the Passenger System?

(Land and Ocean)

A

1,200 psi (Land)

1,200 psi (Ocean)

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19
Q

What type of engine is on the 747-400?

A

GE CF6-80C2B5F

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20
Q

What is the 747-400 Engine Thrust?

A

62,100 Lbs

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21
Q

Maximum Thrust Is Limited To How Many Minutes?

A

5 Minutes

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22
Q

Minimum Oil Pressure

A

10 psi

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23
Q

Maximum Engine Oil Temperature Continuous

A

160° C

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24
Q

Maximum Engine Oil Temperature for 15 Minutes

A

160° C to 175° C

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25
Maximum Engine RPM Limits (%) N1
117.5
26
Maximum Engine RPM Limits (%) N2
112.5
27
Maximum Engine EGT Limits Start
750°C
28
Maximum Engine EGT Limits Takeoff
960°C
29
Maximum Engine EGT Limits Continuous
925°C
30
When must engine ignition be on continuous?
* Heavy Rain * Severe Turbulence * Volcanic Ash * Icing Conditions (only if nacelle anti-ice or its Auto feature is inoperative)
31
What fuels are approved for the 747-400?
* Jet A, A1, A50 * Jet B * JP4, JP5, JP8
32
Reverse Thrust Limitations?
* Reverse thrust in flight is prohibited. * Backing up of aircraft is prohibited.
33
Fuel Jettison Flap Limitations?
Do not extend or retract the flaps between position 1 and 5 during fuel jettison.
34
What are the available fuel densities?
2.72 -3.21 Kgs/gal
35
If fuel density is below ____ what is the restriction?
2.92 Kgs/gal Gross weight is limited
36
If CWT fuel is required, what is the minimum amount?
1,800 Kgs prior to engine start
37
Does the CWT Fuel Quantity Indication System have to be operative to dispatch with CWT fuel?
Yes
38
When is LNAV or VNAV not to be used?
Below transition altitude or level when QFE is used.
39
QFE altitude reference for the PFDs must be selected on the CDU Approach Reference page when?
Whenever QFE is used instead of QNH
40
What are the approved Operations for the 747-400?
* Visual (VFR) * Instruments (IFR) * Icing Conditions * Extended Overwater
41
Do not extend flaps above what altitude?
20,000 Feet
42
When should the speedbrakes not be used?
With flaps extended past 20
43
Flight Maneuvering Load Acceleration Limits: Flaps Up
+2.5 to -1.0
44
Flight Maneuvering Load Acceleration Limits: Flaps Down
+2.0 – 0.0
45
Ground Wind Limits for all Doors: Opening or closing
40 Kts
46
Ground Wind Limits for all Doors: Open
65 Kts
47
Maximum Pressure Altitude Takeoff and Landing
10,000’
48
Maximum Operating Altitude
45,100’
49
Maximum % Runway Slope
+/- 2%
50
Slush or Standing Water Limits Takeoff
1/2"
51
Slush or Standing Water Limits Landing
1”
52
When must nacelle anti-ice be ON?
During all engines-running ground operations when icing conditions exist.
53
When should you NOT use the anti-ice system?
OAT or TAT exceeds 10°C
54
What position should the nacelle anti-ice switches be in during flight?
AUTO
55
Icing conditions exist when?
* Ground - OAT 10°C or below + Visible Moisture * Flight – TAT 10°C or below + Visible Moisture * On ramps, taxiways, runways with surface ice/snow/standing water. * When OAT \< 10°C and dew point / OAT \< 3°C
56
Tires are approved for at least what true ground speed?
235 MPH (204 Kts)
57
Maximum RVSM Airspeed (Mach)
.90 Mach
58
Turbulent Air Penetration Speed
290 – 310 KIAS .82 - .85 Mach
59
Can terrain display be used for navigation?
No
60
When is the use of terrain alerting and terrain display functions prohibited?
Within 15 nm of takeoff, approach, or landing at an airport not contained in the GPWS terrain database.
61
Maximum Taxi Weight
397,800
62
Maximum Takeoff Weight
396,893
63
Maximum Landing Weight
302,092
64
Maximum Zero Fuel Weight \*
288,031 \* ZFW greater than 276,691 comply with decrease maximum weight limits
65
Maximum Tailwind Component Takeoff
10 Kts
66
Maximum Tailwind Component Landing
10 Kts
67
Maximum Tailwind Component Runway clean and dry \< 7500’
0 Kts
68
Maximum Tailwind Component Runway clean and dry 7500’ – 7999’
5 Kts provided total surface wind is 10 Kts or less
69
Maximum Tailwind Component Runway NOT clean and dry \< 8000’
0 Kts
70
Maximum Tailwind Component Runway NOT clean and dry 8000’ – 8499’
5 Kts provided total surface wind is 10 Kts or less
71
Maximum Demonstrated Crosswind Component (Peak Gust) Takeoff
30 Kts
72
Maximum Demonstrated Crosswind Component (Peak Gust) Takeoff – Wet
25 Kts
73
Maximum Demonstrated Crosswind Component (Peak Gust) Takeoff – Standing Water, Slush, Snow or Ice
15 Kts (AAI)
74
Maximum Demonstrated Crosswind Component (Peak Gust) Landing
30 Kts
75
Maximum Demonstrated Crosswind Component (Peak Gust) Landing – Wet
25 (AAI)
76
Maximum Demonstrated Crosswind Component (Peak Gust) Landing – Standing Water, Slush, Snow or Ice
10 Kts (AAI)
77
Landing Gear Operating Speed Retracting or Extending
VLO = 270 KIAS MMO = 0.82 Mach
78
Landing Gear Extended Speed
VLE = 320 KIAS MLE = 0.82 Mach

Boeing 747 (1 decks)

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