Boeing 737 - Recommended Brake Cooling Schedule

737 Flight Crew Operations Manual
Performance Inflight - QRH
Advisory Information
737-300/CFM56-3_22K
FAA
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
PI-QRH.41.24 D6-27370-4Q8-SJA
ADVISORY INFORMATION
Recommended Brake Cooling Schedule
Reference Brake Energy Per Brake (Millions of Foot Pounds)
*To correct for wind, enter table with the brakes on speed minus one half the headwind or plus 1.5 times the
tailwind.
If ground speed is used for brakes on speed, ignore wind and enter table with sea level, 15°C.
Adjusted Brake Energy Per Brake (Millions of Foot Pounds)
No Reverse Thrust
WIND CORRECTED BRAKES ON SPEED (KIAS)*
60 80 100 120 140
WEIGHT
(1000 KG)
OAT
(°C)
PRESS ALT PRESS ALT PRESS ALT PRESS ALT PRESS ALT
048048048048048
70
-20 6.6 7.4 8.3 11.1 12.5 14.1 16.5 18.7 21.4 22.9 26.0 29.7 30.0 34.1 38.9
0 7.1 7.9 8.8 11.9 13.4 15.1 17.7 20.1 22.9 24.5 27.9 31.9 32.2 36.6 41.7
15 7.4 8.3 9.3 12.5 14.1 15.9 18.7 21.2 24.2 25.9 29.4 33.6 33.9 38.5 43.9
20 7.5 8.4 9.4 12.7 14.3 16.2 19.0 21.5 24.6 26.3 29.9 34.1 34.5 39.2 44.6
40 7.9 8.8 9.8 13.3 15.0 17.0 20.0 22.7 25.9 27.8 31.6 36.1 36.4 41.4 47.1
65
-20 6.2 6.9 7.8 10.4 11.7 13.2 15.5 17.5 20.0 21.4 24.3 27.8 28.0 31.8 36.3
0 6.7 7.4 8.3 11.1 12.5 14.1 16.6 18.8 21.4 22.9 26.0 29.7 30.0 34.1 39.0
15 7.0 7.8 8.7 11.7 13.2 14.9 17.5 19.8 22.6 24.2 27.4 31.4 31.7 36.0 41.0
20 7.1 7.9 8.8 11.9 13.4 15.2 17.8 20.1 23.0 24.6 27.9 31.9 32.2 36.6 41.7
40 7.4 8.2 9.2 12.5 14.0 15.9 18.7 21.2 24.2 25.9 29.5 33.7 34.0 38.6 44.1
60
-20 5.8 6.5 7.2 9.7 10.9 12.3 14.4 16.3 18.6 19.9 22.6 25.8 26.0 29.6 33.8
0 6.3 7.0 7.8 10.4 11.7 13.2 15.4 17.5 19.9 21.3 24.2 27.6 27.9 31.7 36.2
15 6.6 7.3 8.1 10.9 12.3 13.9 16.3 18.4 21.0 22.5 25.5 29.1 29.4 33.4 38.1
20 6.7 7.4 8.3 11.1 12.5 14.1 16.5 18.7 21.3 22.8 25.9 29.6 29.9 34.0 38.8
40 6.9 7.7 8.6 11.6 13.1 14.8 17.4 19.7 22.5 24.1 27.4 31.3 31.6 35.9 41.0
55
-20 5.5 6.1 6.8 9.0 10.1 11.4 13.4 15.1 17.2 18.4 20.8 23.8 24.0 27.2 31.1
0 5.9 6.5 7.2 9.7 10.8 12.2 14.3 16.2 18.4 19.7 22.3 25.5 25.7 29.2 33.4
15 6.1 6.8 7.6 10.2 11.4 12.8 15.1 17.0 19.4 20.7 23.5 26.9 27.1 30.8 35.2
20 6.2 6.9 7.7 10.3 11.6 13.0 15.3 17.3 19.7 21.1 23.9 27.3 27.6 31.3 35.8
40 6.5 7.2 8.0 10.8 12.1 13.7 16.1 18.2 20.8 22.2 25.2 28.8 29.1 33.1 37.8
50
-20 5.1 5.6 6.3 8.3 9.3 10.5 12.3 13.9 15.7 16.8 19.1 21.8 21.9 24.9 28.5
0 5.4 6.0 6.7 8.9 10.0 11.2 13.2 14.8 16.9 18.0 20.4 23.3 23.5 26.7 30.5
15 5.7 6.3 7.0 9.4 10.5 11.8 13.8 15.6 17.8 19.0 21.5 24.6 24.8 28.1 32.2
20 5.8 6.4 7.1 9.5 10.7 12.0 14.1 15.9 18.1 19.3 21.9 25.0 25.2 28.6 32.7
40 6.0 6.7 7.4 10.0 11.2 12.6 14.8 16.7 19.0 20.3 23.1 26.4 26.6 30.2 34.5
45
-20 4.7 5.2 5.8 7.7 8.6 9.6 11.2 12.6 14.3 15.3 17.3 19.7 19.9 22.5 25.7
0 5.0 5.6 6.2 8.2 9.2 10.3 12.0 13.5 15.3 16.4 18.5 21.1 21.3 24.1 27.6
15 5.3 5.8 6.5 8.6 9.6 10.8 12.6 14.2 16.1 17.3 19.5 22.3 22.4 25.4 29.1
20 5.3 5.9 6.6 8.7 9.8 11.0 12.8 14.5 16.4 17.5 19.9 22.7 22.8 25.9 29.6
40 5.5 6.2 6.8 9.1 10.2 11.5 13.5 15.2 17.3 18.5 20.9 23.9 24.0 27.3 31.2
40
-20 4.3 4.8 5.3 7.0 7.8 8.7 10.1 11.4 12.9 13.7 15.5 17.7 17.7 20.1 23.0
0 4.6 5.1 5.7 7.5 8.3 9.3 10.9 12.2 13.8 14.7 16.6 18.9 19.0 21.5 24.6
15 4.9 5.4 5.9 7.8 8.8 9.8 11.4 12.8 14.5 15.5 17.5 20.0 20.0 22.7 26.0
20 4.9 5.4 6.0 8.0 8.9 10.0 11.6 13.0 14.8 15.8 17.8 20.3 20.4 23.1 26.4
40 5.1 5.6 6.3 8.3 9.3 10.4 12.1 13.7 15.5 16.6 18.8 21.4 21.5 24.4 27.9
REFERENCE BRAKE ENERGY PER BRAKE (MILLIONS OF FOOT POUNDS)
EVENT 10152025303540
RTO MAX MAN 10152025303540
LANDING
MAX MAN 8.6 13.3 18.1 22.8 27.5 32.3 37.0
MAX AUTO 8.1 12.3 16.6 21.0 25.4 29.9 34.4
AUTOBRAKE 3 8.0 11.6 15.3 19.2 23.1 27.1 31.2
AUTOBRAKE 2 7.8 11.0 14.3 17.6 21.1 24.6 28.3
AUTOBRAKE 1 7.5 10.4 13.4 16.3 19.4 22.5 25.6
December 16, 2016