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B787 Eval Study > Limitations > Flashcards

Limitations Flashcards

1
Q

VMO

A

360 KTS (350KTS < FL140)

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2
Q

MMO

A

0.90 M

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3
Q

VA Speed

A

295 KTS into 340 KTS (@FL310)

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4
Q

Turbulence double penetration speed

A

290 KTS < FL250 or 310 KTS / M0.84

  • SPD below = fly Min SPD + 15 KTS (any altitude)
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5
Q

VLO / VLE ( Gear operating / extended speed)

A

270 KTS / 0.82M

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6
Q

Max tailwind takeoff / landing

A

T/O + LDG - 15 KTS

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7
Q

Unreliable AIrspeed MAX AOA SPD

A

290 KTS (<FL350) - 270 KTS (FL350-380) - 260 KTS (FL380-400) - 250 KTS (> FL400)

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8
Q

Max Taxi Speed (slippery / 90’ turn) and straight line

A

3kts slippery turn / 10kts normal 90’ turn / 30kts straight

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9
Q

Max Angle Speed / min SPD

A

min Maneuver SPD (VREF 30 + 80) into M0.78

Also on FMC VNAV CLB page (Vref30+100) > FL200 or flap up spd

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10
Q

Max rate speed

A

VREF 30 + 140 / M.82 (-8) or M0.84 (-9/10)

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11
Q

Max tire speed

A

235 MPH (up to 260MPH Non Normal)

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12
Q

Max RWY Slope

A

+/- 2%

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13
Q

Max operating ALT

A

FL431

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14
Q

MAX T/O + LDG Press ALT

A

8000ft

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15
Q

Max operating temperature (on ground)

A

T/O + LDG - ISA + 39.4’c (54’C)

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16
Q

MAX CAB DIFF / T/O + LDG

A

Inflight 9.9 PSI

T/O LAND - 0.11 PSI

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17
Q

Eng anti ice (GND / Manual inflight)

A

10’C (GND) / 15’C TAT (inflight) to -40’

(don’t use above 10c on ground or 15’c TAT inflight)

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18
Q

Wing Anti-ice do not use TEMP

A

15’ TAT Manual - inflight only (N/A on ground)

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19
Q

AP min Engage Height after T/O

A

200ft

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20
Q

Autoland Max field elevation

A

8400ft

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21
Q

MAX X-WND / HW / TW Autoland

A

MAX X-WND - 25kts / HW - 25kts / TW - 15kts

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22
Q

MIN / MAX GS angle Autoland

A

2.5’ to 3.25’

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23
Q

Autoland configs + flap settings

A

F20, 25, 30 AEO + EO (LAND 2 / LAND 3)

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24
Q

Manual LDG AP disengage height

A

100ft. (-8 or -10) / 135ft (-9)

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25
Q

Secondary or Direct law with flaps extended

A

don’t follow FD in FLCH mode

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26
Q

Do not use during refueling

A

HF radio

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27
Q

Max Flap extension ALT

A

FL200

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28
Q

STBY Altimeter limitation

A

not approved RVSM

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29
Q

MAX ALT difference between CAPT / COP altimeter and Field ELEV (for RVSM)

A

+/-75ft

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30
Q

When cruising < OPT ALT

A

set FMC STEP to ZERO (accurate FUEL / ETA)

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31
Q

USE OF VNAV / LNAV Prohibited when

A

on QFE

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32
Q

Speed brakes prohibited when alternate gear extension used

A

-9 aircraft only

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33
Q

Alternate gear extension at Flaps 20 - max SPD 190 KTS

A

-9 only

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34
Q

GPWS - look ahead terrain alerting and terrain display prohibited

A

Within 15nm of airport when not in database

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35
Q

Brakes category

A

A (-8) / C (-9) / D -10

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36
Q

Approved flight rules

A

VFR, IFR, Icing Conditons, Extended Over water

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37
Q

G limits Flaps Up
G limits Flaps Down

A

G limits Flaps Up - +2.5G to -1G

G limits Flaps Down - +2G to 0G

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38
Q

APU inspection required before start when

A

heavy snow / icing conditions

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39
Q

Engine fire bottles must be warmed to -23’C for

A

1.5hrs before eng start

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40
Q

IRS alignment required

A

> 18hrs since last

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41
Q

MIN O2 Pressure

A

1250 PSI (at 21’c INTL) 860 domestic

42
Q

MIN HYD QTY

A

No RF shown

43
Q

Max BRK TEMP preflight

A

2 units (3 units AE -8 no BTMS)

44
Q

minimum turn 180 radius

A

45.9m (-8) / 51.5m (-9) (2.3m buffer)

45
Q

ICAO taxiway (main gear) clearance

A

4.5m

46
Q

ICAO taxiway width

A

23m

47
Q

MIN TAIL clearance height

A

42in (-8) / 29in (-9)

48
Q

TAIL Strike Pitch ATT

A

11.2’ (-8) / 9.7 (-9)

49
Q

Body Contact LDG Flaps 25/30 (gear compressed)

A

9.3’ (-8) / 7.8’ (-9)

50
Q

AP DISC (on approach when required)

A

after reaching DA or descending below MDA

51
Q

MAX EGT Starting

A

RR 700’C (GND) / 900’C (inflight) (750’c GE GND / 875’c FLT or 975’C )

52
Q

MAX EGT Continuous

A

850’C (1030’C GE)

53
Q

MAX EGT Takeoff

A

900’C (AEO 5 mins) (10 mins EO or thrust loss) (1065’C GE)

54
Q

Maximum Transient Temp

A

GE only 1070’C

55
Q

MAX OIL TEMP

A

201’C (15 min) (177’C GE)

56
Q

MAX OIIL TEMP continuous

A

193’C (196’C package 10 / 160’C GE)

57
Q

MIN OIL PRESS

A

30 PSI (<30 PSI ok for NEG G ops for 15 sec) (10 PSI GE)

58
Q

MIN OIL TEMP start

A

-40’C

59
Q

MIN OIL TEMP for high thrust ops

A

+40’C (> bottom of temp scale GE)

60
Q

MIN OIL QTY

A

16 QTS

61
Q

MAX ENG VIB

A

4.0 units

62
Q

ENGs running at IDLE before takeoff

A

1 min before T/O (5 min package 10 / 3min GE)

63
Q

ENG cool down after LDG Single engine taxi

A

3 mins GE or 5min (RR)

64
Q

ENG taxi thrust GND max X-WND / TW

A

X-WND > 45 KTS or TW > 42 KTS

65
Q

Do not run engines wind

A

> 65KTS (RR only)

66
Q

MAX N1

A

101.5 % (108.5% GE)

67
Q

MAX N2?

A

103.5 % (117.5% GE)

68
Q

MAX N3

A

100.2 % (-8 B) / 101.0 % (-8 C and -9) (101.5% package 10) (no N3 spool GE)

69
Q

ENG AUTO START limit cycle

A

3 mins

70
Q

do not start both engines same time

A

OAT > 40’c

71
Q

Fuel approved

A

Jet A, A1, JP5, JP8, TS1

(JP-4 and Jet B Prohibited)

72
Q

MIN FUEL TEMP

A

-29’C (GND)

-42’C and +3’C > freezing TEMP (inflight)

73
Q

MAX FUEL TEMP

A

49’C on ground

65’C (Inflight) / 57’C >FL350 for TS-1

74
Q

Fuel density allowed

A

6.3 to 7.1 lbs / GAL

75
Q

C Fuel tank limitations

A

Up to 22,000lbs allowed in C TANK with MAINS not full (total < MZFW)

C tank pumps on when C tank fuel - > 16,000lbs (EICAS message also)

Fuel loading in any sequence (main tanks must be full if Centre tanks used also)

76
Q

MAX FUEL Imbalance

A

2500lbs (up to 41,900 Lbs then reducing to 1500lbs (>68,300lbs FOB)

77
Q

Usable Fuel MAIN

Usable Fuel CENTER

A

MAIN - L / R each 39,547lbs (-8) / 39,192lbs (-9 / -10)

CENTER - 157,620 lbs (-8) / 158,614lbs (-9 / -10)

78
Q

C Tank Limitations

A

<16,000lbs of fuel in center tank - only use center pumps in the cruise (advisory) until ‘FUEL LOW CENTER’ message appears then C tanks off

79
Q

Fuel Jettison - prohibited

A

flaps 30

80
Q

Fuel Freezing point - JET A / A1

A

Jet A - -40’c

Jet A1 - -47’c

81
Q

Max X Wind -8

A

Take off 40kts

Landing 37kts

82
Q

Max X Wind - 9

A

Take off 33kts

Landing 40kts

83
Q

Max X Wind - 10

A

Take off 37kts

Landing 35kts

84
Q

Max X Wind (Wet / contaminated)

A

Wet - 25kts

Flooded 15KTS (10kts RWY < 2500m)

RWYCC 5 - 25
RWYCC 4 - 20 (15)
RWYCC 3 - 20 (15)
RWYCC 2 - 15 (10*)
RWYCC 1 - 10 **(RWY <2500m)

85
Q

Take off / Landing Prohibited

A
  1. water or slush 13mm or more
  2. wet snow 51mm or more
  3. Dry Snow 71mm or more (T/O)
  4. Dry Snow 153mm or more (LDG)
  5. Braking action VERY POOR (RWYCC 0)
86
Q

Dimensions -8/-9/-10

A

Length - 56.7m -8
- 62.8m -9
- 68.3m -10

Wingspan- 60.1m

87
Q

Eye height

A

cockpit eye height above ground (flare) - 5.4m
Eye height / length - 14.1m

88
Q

MTOW

A

502,500lbs (-8C/CE/L)
553,00lbs (-9K)
535,000lbs (-10K)

89
Q

MLW

A

380,000lbs (-8C/CE/L)
425,00lbs (-9K)
445,000lbs (-10K)

90
Q

MZFW

A

355,000lbs (-8)
400,00lbs (-9)
425,000lbs (-10)

91
Q

EO cruise DIST 60 mins

A

Still wind:

-8 A = 435nm
-8 C/L = 429nm

-9 D = 420nm
-9 K = 431nm

-10 K = 431nm

Only for planning purposes

92
Q

Minimum taxiway width for 90’ turn

A

19m

93
Q

Minimum width pavement 180’ turn

A

-8 = 48m
-9 = 53m
-10 = 59m

94
Q

Minimum width pavement 180’ turn

A

-8 = 48m
-9 = 53m
-10 = 59m

95
Q

Alternate Ventilation system differences

A

-8 different to the -9/-10 follow QRH specifically for each model)

96
Q

What is Modal Suppression Accelerometers (MSA) and model?

A

Detects vertical / lateral acceleration help for cabin comfort

-9/-10 only

97
Q

What is Hybrid laminar flow control systems

A

Tiny holes leading edges wind / vertical stab create laminar flow around stabilizers reducing drag / -9 and -10 only

98
Q

Early Door Function (Main gear)

A

Main gear door opens 1 sec after liftoff (closes if gear not selected up within 30 secs) enhances PERF -9/-10 only

99
Q

When is megaphone installed?

A

All AC except -8 AC and 2 -9 AC

100
Q

What Is semi levered gear ?

A

Only -10 - extra actuator attached to strut reduces load pressure on landing / improves T/O performance

101
Q

Main gear door strut?

A

Only -10 model

102
Q

CAC motor cooling diverter Valve and exhaust duct?

A

Under AC for additional cooling of CAC (-10 only)

B787 Eval Study (11 decks)

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