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Boeing 757/767 > Limitations > Flashcards

Limitations Flashcards

1
Q

Min/Max Runway Slope

A

+/- 2%

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2
Q

Max Takeoff and Landing Tailwind Compontent

A

15 knts

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3
Q

Max Operating Pressure Altitude

A

B757 - 42,000’

B767 - 43,100’

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4
Q

Max demonstrated crosswind Takeoff and Landing

A

B757 - 30 knts

B767 - 33 knts

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5
Q

Max Takeoff and Landing Pressure Altitude

A

8400’

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6
Q

Maneuvering Load Limits

A

Flaps Up: +2.5g to -1.0g

Flaps Down: +2.0g to 0.0g

*With Flaps 25 and 30, positive limits vary linearly from +2.0g at max landing weight to +1.5g at max takeoff weight

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7
Q

FLCH Limits

A

Do house FLCH on final approach below 1000’ AFE

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8
Q

Ground Maneuvering Limit

A

180º turns are prohibited on runways with widths of 150’ or less

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9
Q

Max allowable in-flight difference between Captain and FO altitude displays

A

200’

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10
Q

Max allowable altitude display differences between Captain and FO on the ground

A

SL: 40’
5000’: 45’
10,000’: 50’

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11
Q

Weather Radar Limits

A
  • Avoid weather Radar operation in a hangar

- Avoid wishing 50’ of fueling operation or fuel spill

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12
Q

Turbulence Airspeed

A

290 knts/0.78M

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13
Q

Flap Placard Speed - B757

A 
1 - 240
5 - 220
15 - 210
20 - 195
25 - 190
30 - 162
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14
Q

Flap Placard Speed - B767

A 
1 - 250
5 - 230
15 - 210
20 - 210
25 -180
30 - 170
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15
Q

VLO

A

Retract - 270

Extend - 270

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16
Q

MLO

A

0.82

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17
Q

VLE/MLE

A

270 knts/0.82M

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18
Q

Landing Gear Extended with Alternate Sys

A

VLO - 250

MLO - 0.75M

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19
Q

Max Operating Speed

A

B757 - 350/0.86M
B767W - 345/0.86M
B767 - 360/0.86M

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20
Q

Max Taxi Weight

A

B757 - 251,000 lbs

B767 - 409,000 lbs

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21
Q

Max Takeoff Weight

A

B757 - 250,000 lbs

B767 - 408,000 lbs

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22
Q

Max Landing Weight

A

B757 - 210,000 lbs

B767 - 326,000 lbs

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23
Q

Max Zero Fuel Weight

A

B757 - 200,000 lbs
B767W - 312,300 lbs
B767 - 309,000 lbs

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24
Q

Min Inflight Weight

A

B757 - 108,600 lbs

B767 - 176,000 lbs

25
Max wind gust with door open
60 knts
26
Max wind during door operation
40 knts
27
Max Cabin Pressure Differential
9.1 PSI
28
Auto Flight Limits
- Autolands limited to flaps 25 or 30 - On takeoff, do not engage below 200’ - Use of aileron trim with autopilot engaged is prohibited - Do not use AP below 100’ RA at airport pressure altitudes above 8400’
29
Max allowable wind speeds - Autoland
Headwind - 25 knts Crosswind - 25 knts Tailwind - 10 knts
30
Continuous Ignition
Ignition shall be on for takeoff and landing
31
EICAS Display
Do not blank engine vibration during takeoff
32
Reverse Thurst
- ground use only | - Backing aircraft with use of reverse thrust is not permitted
33
Starter Operation - B757
Normal Duty: 1 - 3: 2 mins on followed by spool down to zero N2 (PW), N3 (RR) *15 min cooling period after 3 attempts Extended Duty: Up to 4 mins continuous operation followed by 15 mins cooling
34
Starter Operation - B767
Normal Duty: Up to 5 mins on, followed by 1/2 minute off per minute on Extended Duty: Two consecutive 5 mins cycles require 10 min cooling period before additional 5 mins cycle
35
Max Engine RPM (PW)
N1 - 100.5% | N2 - 100.0 %
36
Engine EGT limits (PW)
Starting (Ground): 485ºC (30s limit); 545ºC (Momentary) Starting (Flight): 645ºC (Momentary) Takeoff: 645ºC (5 min limit; 10 mins engine out) Max Continuous: 615ºC
37
Min Eng Oil Pressure (PW)
At idle RPM: 70 psi | All other conditions: 80 psi
38
Min Oil Temp for takeoff (PW)
50ºC
39
Max Oil Temp (PW)
163ºC
40
Max Transient Oil Temp (PW)
177ºC (limited to 20 mins)
41
Max Engine RPM (RR)
Takeoff: (limited to 5 mins; 10 mins during engine failure) N1 - 108.8 N2 - 100.3 N3 - 99.0 Continuous: N1 - 108.4 N2 - 98.0 N3 - 95.8 Overspeed: (20 sec limit) N1 - 110.0 N2 - 101.3 N3 - 100.2
42
Max Engine EGT (RR)
Starting Ground or Flight: 570ºC (gnd - momentary; flight - 2 sec) Takeoff: 850ºC (5 mins; engine out 10 mins) Max Continuous: 795ºC Max Overtemp: 870ºC (20 sec)
43
Min Oil pressure at takeoff (RR)
50% N3 - 25 psi 70% N3 - 35 psi 93% N3 - 40 psi
44
Min oil pressure for flight completion (RR)
At or below 50% N3 - 18 psi 70% N3 - 25 psi 93% N3 - 35 psi
45
Max Oil Temp (RR)
170ºC
46
Min oil temp for start (RR)
-40ºC
47
Min Oil Temp for advancing thrust levers (RR)
0ºC
48
Max Engine RPM (GE)
N1 - 117.5% | N2 - 112.5%
49
Max Engine EGT (GE)
Starting - 750ºC; 870ºC (40 sec) Takeoff - 960ºC (5 mins, 10 mins engine out) Max Continuous - 925ºC
50
Min Oil Pressure (GE)
10 psi
51
Max continuous Oil Temp (GE)
160ºC
52
Max transient Oil Temp (GE)
175ºC (limited to 15 mins)
53
APU Starter Duty
3 consecutive start attempts within 60 mins (5 mins cooling between starts)
54
Max Flaps Extended Altitude
20,000’
55
Max Fuel Temp (Jet A)
49ºC
56
Min Fuel Tank Temp
B757: -45ºC or 3ºC above fuel freezing temp B767: 3ºC above fuel freezing temp
57
Conditions for ABNORMAL START (PW)
* The EGT does not increase by 20 seconds after the fuel control switch is moved to RUN * There is no N1 rotation by 40% N2 * The EGT quickly nears or exceeds the start limit * The N2 is not at idle by 2 minutes after the fuel control switch is moved to RUN * The oil pressure indication is not normal by the time that the engine is stabilized at idle
58
Conditions for ABNORMAL START checklist (RR)
• The EGT does not increase by 20 seconds after the fuel control switch is moved to RICH or RUN • The EGT quickly nears or exceeds the start limit • The oil pressure indication is not normal by the time that the engine is stabilized at idle
59
Condition for ABNORMAL START checklist (GE)
* The EGT does not increase by 25 seconds after the fuel control switch is moved to RUN * There is no N1 rotation by 30 seconds after N2 is stabilized at idle * The EGT quickly nears or exceeds the start limit * The oil pressure indication is not normal by the time that the engine is stabilized at idle

Boeing 757/767 (19 decks)

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