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Boeing 777 > Limitations > Flashcards

Limitations Flashcards

1
Q

Approved Operations

A

IFR, VFR
For wingspan-limited taxi operations, the Aircraft Design Group identifiers are:
– Group V (FAA)
– Code E (ICAO)
Straight-in instrument approaches: Category C, (322) Category D
– Circling approaches: Category D
Night flight
• Icing conditions
• Extended operations (up to 240-minute ETOPS)

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2
Q

OPERATING PRESSURE ALTITUDE

A

43,100 feet

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3
Q

TAKEOFF/LANDING PRESSURE ALTITUDE

A

8400 feet

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4
Q

RUNWAY SLOPE

A

± 2%

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5
Q

TAKEOFF/LANDING TAILWIND COMPONENT

A

200ER 300ER
10 knots 15Knots

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6
Q

MAX Croswind limits

A

38 Knots

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7
Q

Autoland Headwind

A

200ER, 300ER
25Kts

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8
Q

Autoland Tailwind

A

200ER 300ER
10kts 15kts

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9
Q

Autoland Crosswind

A

200ER 300ER
25kts 25kts

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10
Q

Flaps 1

A

200ER 255
300ER 265

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11
Q

Flaps 5

A

200ER 235
300ER 245

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12
Q

Flaps 15

A

200ER 215
300ER 230

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13
Q

Flaps 25

A

200ER 185
300ER 200

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14
Q

Flaps 30

A

200ER 170
300ER 180

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15
Q 
MAXIMUM LANDING GEAR SPEED 
Operating speed (VLO/MLO
A

270 knots/.82 Mach

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16
Q 
MAXIMUM LANDING GEAR SPEED 
Extended speed (VLE/MLE)
A

270 knots/.82 Mach

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17
Q

Severe turbulence at and above 25,000
feet (Recommended)1

A

280 KIAS/.82 Mach
(whichever is lower)2

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18
Q

Severe turbulence below 25,000 feet
(Recommended)1

A

270 KIAS2

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19
Q

In severe turbulence:

A

Maintain a minimum speed of 15 knots above the minimum maneuvering
speed (amber band) at all altitudes when the airspeed is below .82 Mach

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20
Q

Passenger Oxygen Masks Deployed
Supplemental Oxygen Available

A

14,000 feet (terrain permitting)

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21
Q

Passenger Oxygen Masks Deployed
Supplemental Oxygen Not Available

A

10,000 feet (terrain permitting)

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22
Q

LAHSO
Required Runway Length (feet)
Elevation < 2000 feet

A

8100

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23
Q

LAHSO
Required Runway Length (feet)
Elevation ≥ 2000 feet

A

8700

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24
Q

(Takeoff and Landing) Pressure Altitude

A

8400

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25
Q

GROSS WEIGHT LIMITATIONS

A

200ER 300ER
Taxi 650.0 777.0
Takeoff 648.0 775.0
Landing 460.0 554.0
Zero Fuel 430.0 529.0

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26
Q

(322) The forward-facing flight attendant jump seats at door 2L/R

A

may not be
occupied during taxi, takeoff, and landing

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27
Q

OVERHEAD ATTENDANT CREW REST (OACR) (322)

A

The OACR is to be occupied by crewmembers only if they have been
trained in use of the crew rest evacuation routes, firefighting procedures, and
depressurization procedures.

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28
Q

DOOR-MOUNTED POWER ASSISTS AND ESCAPE SLIDES

A

Must be armed with the mode select handle in the ARMED position prior to taxi, takeoff,
and landing whenever passengers are carried.
Girt bar indication flags are visible through windows in the doorway liner when
the door is in ARMED mode.

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29
Q

DOOR-MOUNTED POWER ASSISTS AND ESCAPE SLIDES

A

Must be armed with the mode select handle in the ARMED position prior to taxi, takeoff,
and landing whenever passengers are carried.
Girt bar indication flags are visible through windows in the doorway liner when the door is in ARMED mode.

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30
Q

PRESSURIZATION
Maximum differential pressure (relief valves)

A

9.1 PSI

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31
Q

Maximum differential pressure for takeoff and landing

A

0.11 PSI

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32
Q

UNPRESSURIZED FLIGHT

A

Maximum altitude when aircraft is dispatched for unpressurized flight is 10,000
feet MSL.

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33
Q

WING ANTI-ICE

A

Do not select WAI to ON during takeoff until after the first thrust reduction.

34
Q

Ground Operations
ENGINE ANTI-ICE must be ON (not AUTO)

A

when OAT is 10°C or less and icing
conditions exist.

35
Q

During ground operations when engine anti-ice is required and OAT is 3°C or
below

A

the engines must be run up for momentarily to a minimum of 50% N1
at intervals not to exceed 60 minutes

36
Q

Flight Operations
ENGINE ANTI-ICE must be AUTO or ON

A

when TAT is 10°C or less and icing
conditions exist or are anticipated, except during climb, cruise, and descent
when SAT is below -40°C.

37
Q

� Icing conditions exist

A

when OAT (ground) or TAT (flight) is 10°C or below
Visible moisture (fog with visibility of 1 SM or less, rain, sleet, snow, ice pellets,
or other forms of moisture) is present, or
• Standing water, ice, slush, or snow is present on the ramps, taxiways, or
runway surfaces.

38
Q

On takeoff or missed approach, do not engage autopilot below:
Two-engine or single-engine operations:

A

�200 feet AGL

39
Q

Non-ILS
�Autopilot must be disengaged before the aircraft

A

descends more than 50
feet below the MDA/DA, unless in the go-around mode.

40
Q

�Do not use flight level change pitch mode (FLCH) on final approach below

A

1000 feet AFE.

41
Q

Autoland approaches are not approved

A

with flaps 25.

42
Q

�Without LAND 2 or LAND 3 annunciated

A

the autopilot must be disengaged
below 200 feet AGL.

43
Q

AUTOLAND WIND LIMITATIONS

A

Headwind 25 knots

Tailwind. 15 knots. (10 knots for CAT II/III)

Crosswind. 25 knots. (15 knots for CAT II/III)

44
Q

ILS Glideslope Angle

A

Maximum 3.25°
Minimum 2.50°

45
Q

Automatic landings flaps and indicators

A

Use of flaps 20 or 30 with one or two engines operating. The autopilot flight director system (AFDS) autoland status annunciator must display either LAND 2 or LAND 3

46
Q

A flaps-20 automatic (or manual) landing

A

may be accomplished only when
directed by procedure

47
Q

Autoland must be used when weather conditions are

A

below CAT I minimums

48
Q

Do not attempt an automatic landing on any runway that

A

has a glideslope unusable below a given altitude or
offset localizer note on the approach plate page.

49
Q

Autoland landing cannot be made if following messages are displayed

A

SLATS DRIVE EICAS, or
PITCH UP AUTHORITY

50
Q

Minimum threshold crossing height

A

40 feet

51
Q

Do not attempt an automatic
landing on any runway that has a glideslope height above threshold (shown on
approach plate page)

A

less than 40 feet.

52
Q

The 777 is not certified for autolandings at weights

A

in excess of max landing
weight.

53
Q

The 777 is not certified for autolandings with loss of which hyd and elevator system

A

two or more elevator hydraulic actuators.
(Loss of hydraulic systems R or C results in loss of only
one hydraulic actuator;
Loss of hydraulic system L or any combination of L, C,
and R results in loss of two or more hydraulic actuators.)

54
Q

APU ALTITUDES – MAXIMUM

A

For APU start 43,100 feet
Pack operation 22,000 feet

55
Q

APU STARTER DUTY CYCLE

A

3 Start attempts in a 60-minute period (electric starter only)
Time after three consecutive start attempts (air turbine only) 5 minutes

56
Q

Do not start APU during

A

fueling operations following an APU automatic shutdown
or failed start.

57
Q

APU to Pack operation
300ER prohibited field elev

A

‘6,900

58
Q

HF RADIO

A

�Do not transmit on the HF radio during fueling operations.

59
Q

SATCOM PHONE
Do not use (SATCOM R) service

A

for ATC communications.

60
Q

WIRELESS DEVICES ON FLIGHT DECK

A

KEEP ALL WIRELESS DEVICES AFT OF THROTTLE QUADRANT OR
SECURELY MOUNTED TO APPROVED MOUNT LOCATIONS WHEN
ENGINES OPERATING FOR THE PURPOSE OF FLIGHT

When this placard is installed, wireless devices may be used as stated on
the placard. If the placard is not installed, the electronic display units (DUs)
have been modified to mitigate EMI effects, and the use of wireless devices is
permitted, without restriction..

61
Q

REVERSE THRUST

A

Backing the aircraft with use of reverse thrust is prohibited.
* Intentional selection of reverse thrust in flight is prohibited.
* Do not attempt a go-around after thrust reverser deployment
200ER after RTO were reversers deployed, takeoff prohibited until maintenance action

62
Q

ENGINE OIL PRESSURE MINIMUM 200ER

A

IDLE 25PSI
CONTINUOUS 50PSI

63
Q

ENGINE OIL PRESSURE MINIMUM - 300ER

A

10 PSI

64
Q

MINIMUM OIL TEMP FOR START 200ER
AND FOR TAKEOFF

A

-40C
50C

65
Q

Minimum Oil Quantity Prior
to Engine Start

A

200ER 16 quarts
300ER 21 quarts

66
Q

CROSSWIND AND TAILWIND THRUST LIMITS for taxi 300ER

A

300ER During ground operations (exclusive of takeoff)
in tailwinds and crosswinds
between 30 and 45 knots,
limit thrust to a maximum of 70% N1.
Avoid thrust levels above that required for normal taxi operation in all tailwinds and crosswinds
greater than 45 knots.

67
Q

FLIGHT CONTROLS

A

Takeoff is permitted only in the normal flight control mode.
• 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.

68
Q

SPEED BRAKES

A

Do not use speed brakes in flight below 1000 feet AGL.

69
Q

GROUND MANEUVER CAMERA SYSTEM (322)

A

Do not use the ground maneuver cameras during takeoff, approach, and landing.

70
Q

RVSM OPERATIONS

A

• On ground, maximum allowable difference between Captain’s or First Officer’s
altitude display and the field elevation: 75 feet.
• In flight, maximum allowable difference between Captain’s and First Officer’s
altitude displays: 200 feet.
• EICAS advisory message SGL SOURCE AIR DATA is not displayed.
• EICAS advisory message NAV AIR DATA SYS or AIR DATA SYS is not
displayed.

71
Q

When required to cruise at altitudes below optimum due to air traffic, atmospheric
conditions, or non-normal procedures and no further step climbs are planned,
set the FMC STEP

A

size to zero. This ensures best available FMC FUEL and
ETA predictions.

72
Q

FMC-CALCULATED TAKEOFF SPEEDS – ALTERNATE FORWARD
CENTER OF GRAVITY (322)

A

When operating at an alternate forward center of gravity limit for takeoff,
disregard the FMC-calculated takeoff speeds, if displayed. Determine takeoff
speeds from the Sabre Takeoff Data message.
Note: Alternate forward C.G. and V-speed calculations are automated in Sabre.
Pilot action not required to comply with this limitation.

73
Q

AIR DATA INERTIAL REFERENCE UNIT (ADIRU)

A

Do not align ADIRU at North/South latitudes greater than 78°, 14.75 minutes.

74
Q

DEMONSTRATED 777 REQUIRED NAVIGATION PERFORMANCE (RNP)
FLIGHT OPERATIONS VALUES (NM) FOR MODE OF FLIGHT

A

Mode of Flight FMS Updated by GPS
Autopilot ON and LNAV 0.11 RNP

FMS Not Updated
by GPS 0.28 RNP

75
Q

The use of VNAV and LNAV with QFE

A

selected is prohibited.

76
Q

Main tanks must be scheduled to be full if center tank fuel is loaded.

A

The center tank may contain up to 3000 pounds of fuel with less than full main tanks, provided center tank fuel weight plus actual zero fuel weight does not exceed the maximum zero fuel weight, and the center of gravity remains within limits.

77
Q

Max imbalance unless light a/c

A

3000 lbs.

78
Q

HYDRAULICS QUANTITY

A

Above RF

79
Q

TIRE – MAXIMUM SPEED

A

204 knots groundspeed

80
Q

Engine Start EGT

A & B

C & 3

A

535 C

750 C

Boeing 777 (1 decks)

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