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tailwind.
If ground speed is used for brakes on speed, ignore wind and enter table with sea level, 15°C.
December 10, 2007
777 Operations Manual
Performance Inflight
Advisory Information
777-200/GE90-76B
JAA/JAROPS
Category A Brakes
Copyright © The Boeing Company. See title page for details.
D632W001-TBC PI.11.9
ADVISORY INFORMATION
Recommended Brake Cooling Schedule
Event Adjusted Brake Energy (Millions of Foot Pounds)
No Reverse Thrust
2 Engine Reverse Thrust
Cooling Time (Minutes)
REFERENCE BRAKE ENERGY PER BRAKE (MILLIONS OF FOOT POUNDS)
EVENT 10 20 30 40 50 60 70 80 90 100
RTO MAX MAN 10 20 30 40 50 60 70 80 90 100
LANDING
MAX MAN 5.5 14.9 24.1 33.2 42.3 51.4 60.6 69.9 79.3 88.9
MAX AUTO 5.5 14.0 22.4 31.0 39.6 48.5 57.6 67.0 76.7 86.9
AUTOBRAKE 4 5.5 13.5 21.4 29.3 37.3 45.5 54.1 63.1 72.6 82.8
AUTOBRAKE 3 5.5 12.9 20.3 27.6 35.0 42.5 50.5 58.8 67.8 77.4
AUTOBRAKE 2 5.4 12.4 19.2 25.9 32.7 39.7 46.9 54.6 62.8 71.7
AUTOBRAKE 1 5.4 11.9 18.2 24.4 30.6 37.0 43.7 50.8 58.5 66.8
REFERENCE BRAKE ENERGY PER BRAKE (MILLIONS OF FOOT POUNDS)
EVENT 10 20 30 40 50 60 70 80 90 100
RTO MAX MAN 10 20 30 40 50 60 70 80 90 100
LANDING
MAX MAN 4.8 13.6 22.1 30.5 38.8 47.0 55.2 63.4 71.7 80.0
MAX AUTO 3.0 10.1 17.3 24.5 31.9 39.6 47.5 55.9 64.7 74.0
AUTOBRAKE 4 2.5 7.9 13.5 19.4 25.6 32.1 39.1 46.6 54.7 63.4
AUTOBRAKE 3 1.6 5.5 9.7 14.2 19.1 24.5 30.3 36.6 43.4 50.7
AUTOBRAKE 2 0.9 3.6 6.6 10.0 13.7 17.8 22.4 27.4 32.8 38.7
AUTOBRAKE 1 0.6 2.7 5.0 7.5 10.3 13.4 16.8 20.7 25.1 30.1
EVENT ADJUSTED BRAKE ENERGY (MILLIONS OF FOOT POUNDS)
16 & BELOW 17 18 20 24 28 32 35 36 TO 44 45 & ABOVE
INFLIGHT
GEAR DOWN
NO SPECIAL
PROCEDURE
REQUIRED
1 1 2 4 5 6 7 CAUTION FUSE PLUG
GROUND 10 13 23 40 53 66 73 MELT ZONE
BTMS UP TO 2.4 2.4 2.5 2.9 3.4 4.0 4.4 4.9 5.0 TO 6.3 6.3 & ABOVE
Observe maximum quick turnaround limit.
Table shows energy per brake added by a single stop with all brakes operating. Energy is assumed to be
equally distributed among the operating brakes. Total energy is the sum of residual energy plus energy
added.
Add 1.0 million foot pounds for each taxi mile.
For one brake deactivated, increase brake energy by 10 percent.
For two brakes deactivated, increase brake energy by 20 percent.
When in caution zone, wheel fuse plugs may melt. Delay takeoff and inspect after one hour. If overheat occurs
after takeoff, extend gear soon for at least 8 minutes.
When in fuse plug melt zone, clear runway immediately. Unless required, do not set parking brake. Do not
approach gear or attempt to taxi for one hour. Tire, wheel and brake replacement may be required. If overheat
occurs after takeoff, extend gear soon for at least 12 minutes.
Brake temperature monitor system (BTMS) indication on EICAS may be used 12 to 15 minutes after airplane
has come to a complete stop, or inflight with gear retracted, to determine recommended cooling schedule.
(Inflight gear extended, the BTMS indications may vary between individual brakes, due to airstream effects,
gear tilt, and position of the gear temperature probes.)
December 10, 2007
777 Operations Manual
Performance Inflight
Advisory Information
777-200/GE90-76B
JAA/JAROPS
Category A Brakes
Copyright © The Boeing Company. See title page for details.
PI.11.10 D632W001-TBC
ADVISORY INFORMATION
Advisory Information Landing Climb Limit Weight
Valid for approach with flaps 20 and landing with flaps 25 or 30
AIRPORT OAT CLIMB LIMIT WEIGHT (1000 KG)
AIRPORT PRESSURE ALTITUDE (FT)
°C °F 0 1000 2000 3000
54 130 199
50 122 214 205 196
45 113 229 220 212 202
40 104 245 235 226 216
35 95 258 252 242 230
30 86 263 260 255 243
25 77 263 261 258 255
20 68 264 261 258 255
15 59 264 261 259 256
10 &
BELOW
50 &
BELOW 264 262 259 256
Based on engine bleed for 2 packs on and engine anti-ice on or off and wing anti-ice off.
With packs off, increase allowable weight by 2100 kg.
With engine and wing anti-ice on, decrease allowable weight by 900 kg.
Decrease allowable weight by 18000 kg for ice accumulation when operating in icing conditions during any
part of the flight with forecast landing temperatures below 10°C.
December 10, 2007
777 Flight Crew Operations Manual
Performance Inflight Chapter PI
Engine Inoperative Section 12
777-200/GE90-76B
JAA/JAROPS
Category A Brakes
Copyright © The Boeing Company. See title page for details.
D632W001-TBC PI.12.1
PI.12 Performance Inflight-Engine Inoperative ENGINE INOP
　
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