Boeing 737 - Page 173

737 Operations Manual
Performance Inflight -
General
737-500/CFM56-3_20K
Copyright © The Boeing Company. See title page for details.
D6-27370-400E-TBCE PI.30.15
ADVISORY INFORMATION
Slippery Runway Takeoff (18.5K Derate)
Weight Adjustment (1000 KG)
V1(MCG) Limit Weight (1000 KG)
18.5K DERATE
FIELD/OBSTACLE
LIMIT WEIGHT
(1000 KG)
REPORTED BRAKING ACTION
GOOD MEDIUM POOR
PRESS ALT (FT) PRESS ALT (FT) PRESS ALT (FT)
S.L. 4000 8000 S.L. 4000 8000 S.L. 4000 8000
68 0.0 0.0 0.0 -3.5 -3.5 -3.5 -6.8 -6.8 -6.8
64 -0.4 -0.4 -0.4 -4.0 -4.0 -4.0 -7.1 -7.1 -7.1
60 -0.8 -0.8 -0.8 -4.2 -4.2 -4.2 -7.1 -7.1 -7.1
56 -1.0 -1.0 -1.0 -4.2 -4.2 -4.2 -6.9 -6.9 -6.9
52 -1.0 -1.0 -1.0 -4.0 -4.0 -4.0 -6.4 -6.4 -6.4
48 -0.9 -0.9 -0.9 -3.7 -3.7 -3.7 -5.9 -5.9 -5.9
44 -0.8 -0.8 -0.8 -3.4 -3.4 -3.4 -5.4 -5.4 -5.4
40 -0.8 -0.8 -0.8 -3.2 -3.2 -3.2 -5.0 -5.0 -5.0
36 -1.0 -1.0 -1.0 -3.2 -3.2 -3.2 -4.7 -4.7 -4.7
ADJUSTED
FIELD
LENGTH
(FT)
REPORTED BRAKING ACTION
GOOD MEDIUM POOR
PRESS ALT (FT) PRESS ALT (FT) PRESS ALT (FT)
S.L. 4000 8000 S.L. 4000 8000 S.L. 4000 8000
3400 29.3
3800 41.6
4200 52.9 39.2
4600 63.8 50.8 36.7 32.6
5000 74.6 61.6 48.6 41.1 30.9
5400 72.4 59.4 49.9 39.4 29.2
5800 70.3 59.0 48.1 37.7 30.1
6200 68.0 57.2 46.3 36.0
6600 66.2 55.3 41.8 29.0
7000 75.3 64.4 47.7 34.8
7400 73.5 54.0 40.7
7800 60.6 46.5 33.7
8200 67.1 52.7 39.5
8600 73.7 59.2 45.4
9000 65.8 51.4
9400 72.4 57.9
9800 64.5
10200 71.0
1. Enter Weight Adjustment table with reported braking action and 18.5K derate dry field/obstacle limit
weight to obtain slippery runway weight adjustment.
2. Adjust “Good” field length available by -81ft/+81ft for every 5°C above/below 4°C
Adjust “Medium” field length available by -81ft/+81ft for every 5°C above/below 4°C
Adjust “Poor” field length available by -117ft/+117ft for every 5°C above/below 4°C
3. Find V1(MCG) limit weight for temperature adjusted field length and pressure altitude.
4. Max allowable slippery runway limited weight is lesser of weights from 1 and 3.
June 07, 2002