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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
Secondary or Direct law with flaps extended
don’t follow FD in FLCH mode
26
Do not use during refueling
HF radio
27
Max Flap extension ALT
FL200
28
STBY Altimeter limitation
not approved RVSM
29
MAX ALT difference between CAPT / COP altimeter and Field ELEV (for RVSM)
+/-75ft
30
When cruising < OPT ALT
set FMC STEP to ZERO (accurate FUEL / ETA)
31
USE OF VNAV / LNAV Prohibited when
on QFE
32
Speed brakes prohibited when alternate gear extension used
-9 aircraft only
33
Alternate gear extension at Flaps 20 - max SPD 190 KTS
-9 only
34
GPWS - look ahead terrain alerting and terrain display prohibited
Within 15nm of airport when not in database
35
Brakes category
A (-8) / C (-9) / D -10
36
Approved flight rules
VFR, IFR, Icing Conditons, Extended Over water
37
G limits Flaps Up G limits Flaps Down
G limits Flaps Up - +2.5G to -1G G limits Flaps Down - +2G to 0G
38
APU inspection required before start when
heavy snow / icing conditions
39
Engine fire bottles must be warmed to -23’C for
1.5hrs before eng start
40
IRS alignment required
> 18hrs since last
41
MIN O2 Pressure
1250 PSI (at 21’c INTL) 860 domestic
42
MIN HYD QTY
No RF shown
43
Max BRK TEMP preflight
2 units (3 units AE -8 no BTMS)
44
minimum turn 180 radius
45.9m (-8) / 51.5m (-9) (2.3m buffer)
45
ICAO taxiway (main gear) clearance
4.5m
46
ICAO taxiway width
23m
47
MIN TAIL clearance height
42in (-8) / 29in (-9)
48
TAIL Strike Pitch ATT
11.2’ (-8) / 9.7 (-9)
49
Body Contact LDG Flaps 25/30 (gear compressed)
9.3’ (-8) / 7.8’ (-9)
50
AP DISC (on approach when required)
after reaching DA or descending below MDA
51
MAX EGT Starting
RR 700’C (GND) / 900’C (inflight) (750'c GE GND / 875'c FLT or 975'C )
52
MAX EGT Continuous
850’C (1030'C GE)
53
MAX EGT Takeoff
900’C (AEO 5 mins) (10 mins EO or thrust loss) (1065'C GE)
54
Maximum Transient Temp
GE only 1070'C
55
MAX OIL TEMP
201’C (15 min) (177'C GE)
56
MAX OIIL TEMP continuous
193’C (196'C package 10 / 160'C GE)
57
MIN OIL PRESS
30 PSI (<30 PSI ok for NEG G ops for 15 sec) (10 PSI GE)
58
MIN OIL TEMP start
-40’C
59
MIN OIL TEMP for high thrust ops
+40’C (> bottom of temp scale GE)
60
MIN OIL QTY
16 QTS
61
MAX ENG VIB
4.0 units
62
ENGs running at IDLE before takeoff
1 min before T/O (5 min package 10 / 3min GE)
63
ENG cool down after LDG Single engine taxi
3 mins GE or 5min (RR)
64
ENG taxi thrust GND max X-WND / TW
X-WND > 45 KTS or TW > 42 KTS
65
Do not run engines wind
> 65KTS (RR only)
66
MAX N1
101.5 % (108.5% GE)
67
MAX N2?
103.5 % (117.5% GE)
68
MAX N3
100.2 % (-8 B) / 101.0 % (-8 C and -9) (101.5% package 10) (no N3 spool GE)
69
ENG AUTO START limit cycle
3 mins
70
do not start both engines same time
OAT > 40'c
71
Fuel approved
Jet A, A1, JP5, JP8, TS1 (JP-4 and Jet B Prohibited)
72
MIN FUEL TEMP
-29’C (GND) -42’C and +3’C > freezing TEMP (inflight)
73
MAX FUEL TEMP
49’C on ground 65’C (Inflight) / 57’C >FL350 for TS-1
74
Fuel density allowed
6.3 to 7.1 lbs / GAL
75
C Fuel tank limitations
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
MAX FUEL Imbalance
2500lbs (up to 41,900 Lbs then reducing to 1500lbs (>68,300lbs FOB)
77
Usable Fuel MAIN Usable Fuel CENTER
MAIN - L / R each 39,547lbs (-8) / 39,192lbs (-9 / -10) CENTER - 157,620 lbs (-8) / 158,614lbs (-9 / -10)
78
C Tank Limitations
<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
Fuel Jettison - prohibited
flaps 30
80
Fuel Freezing point - JET A / A1
Jet A - -40’c Jet A1 - -47’c
81
Max X Wind -8
Take off 40kts Landing 37kts
82
Max X Wind - 9
Take off 33kts Landing 40kts
83
Max X Wind - 10
Take off 37kts Landing 35kts
84
Max X Wind (Wet / contaminated)
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
Take off / Landing Prohibited
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
Dimensions -8/-9/-10
Length - 56.7m -8 - 62.8m -9 - 68.3m -10 Wingspan- 60.1m
87
Eye height
cockpit eye height above ground (flare) - 5.4m Eye height / length - 14.1m
88
MTOW
502,500lbs (-8C/CE/L) 553,00lbs (-9K) 535,000lbs (-10K)
89
MLW
380,000lbs (-8C/CE/L) 425,00lbs (-9K) 445,000lbs (-10K)
90
MZFW
355,000lbs (-8) 400,00lbs (-9) 425,000lbs (-10)
91
EO cruise DIST 60 mins
Still wind: -8 A = 435nm -8 C/L = 429nm -9 D = 420nm -9 K = 431nm -10 K = 431nm Only for planning purposes
92
Minimum taxiway width for 90’ turn
19m
93
Minimum width pavement 180’ turn
-8 = 48m -9 = 53m -10 = 59m
94
Minimum width pavement 180’ turn
-8 = 48m -9 = 53m -10 = 59m
95
Alternate Ventilation system differences
-8 different to the -9/-10 follow QRH specifically for each model)
96
What is Modal Suppression Accelerometers (MSA) and model?
Detects vertical / lateral acceleration help for cabin comfort -9/-10 only
97
What is Hybrid laminar flow control systems
Tiny holes leading edges wind / vertical stab create laminar flow around stabilizers reducing drag / -9 and -10 only
98
Early Door Function (Main gear)
Main gear door opens 1 sec after liftoff (closes if gear not selected up within 30 secs) enhances PERF -9/-10 only
99
When is megaphone installed?
All AC except -8 AC and 2 -9 AC
100
What Is semi levered gear ?
Only -10 - extra actuator attached to strut reduces load pressure on landing / improves T/O performance
101
Main gear door strut?
Only -10 model
102
CAC motor cooling diverter Valve and exhaust duct?
Under AC for additional cooling of CAC (-10 only)

B787 Eval Study (11 decks)

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