737 Flight Crew Operations Manual
Performance Inflight
General
737-8/LEAP-1B27
FAA
CATB
PI.10.30
MN-FLT-OH-201
Tem
po
ra
ry
R
ev
is
io
n
ADVISORY INFORMATION
TO1 Wet Snow Takeoff
10% Thrust Reduction
No Reverse Thrust
Table 1 of 3: Weight Adjustment (1000 KG)
Table 2 of 3: V1(MCG) Limit Weight (1000 KG)
1. Enter Table 1 with wet snow depth and TO1 dry field/obstacle limit weight to obtain wet snow
weight adjustment.
2. Adjust field length available by -35 m/+35 m for every 10°C above/below 0°C.
3. Find V1(MCG) limit weight for adjusted field length and pressure altitude (Table 2).
4. Max allowable wet snow limited weight is lesser of weights from Table 1 and Table 2.
Table 3 of 3: V1 Adjustment (KIAS)
1. Obtain V1, VR and V2 for the actual weight using the TO1 Dry Runway Takeoff Speeds table.
2. If V1(MCG) limited, set V1 = V1(MCG). If not V1(MCG) limited, enter Table 3 with the actual
weight to obtain V1 speed adjustment. If adjusted V1 is less than V1(MCG), set V1 = V1(MCG).
V1 not to exceed VR.
TO1 DRY
FIELD/OBSTACLE
LIMIT WEIGHT
(1000 KG)
WET SNOW DEPTH
5 mm (0.20 INCHES)
13 mm (0.50 INCHES)
30 mm (1.18 INCHES)
PRESS ALT (FT)
PRESS ALT (FT)
PRESS ALT (FT)
S.L.
5000 10000 14500 S.L.
5000 10000 14500 S.L.
5000 10000 14500
90
-6.4
-7.6
-8.8
-9.9
-8.4
-9.6
-10.8 -11.9 -14.2 -15.4 -16.6 -17.7
80
-6.6
-7.8
-9.0
-10.2
-8.1
-9.3
-10.5 -11.6 -12.5 -13.7 -15.0 -16.1
70
-6.2
-7.4
-8.7
-9.8
-7.2
-8.4
-9.7
-10.8 -10.4 -11.6 -12.8 -14.0
60
-5.3
-6.5
-7.7
-8.8
-5.9
-7.1
-8.3
-9.4
-7.8
-9.1
-10.3 -11.4
50
-3.6
-4.9
-6.1
-7.2
-3.9
-5.1
-6.4
-7.4
-4.8
-6.0
-7.3
-8.4
40
-1.4
-2.6
-3.9
-5.0
-1.4
-2.6
-3.9
-4.9
-1.4
-2.6
-3.8
-4.9
ADJUSTED
FIELD
LENGTH
(M)
WET SNOW DEPTH
5 mm (0.20 INCHES)
13 mm (0.50 INCHES)
30 mm (1.18 INCHES)
PRESS ALT (FT)
PRESS ALT (FT)
PRESS ALT (FT)
S.L.
5000 10000 14500 S.L.
5000 10000 14500 S.L.
5000 10000 14500
1300
34.6
1400
23.2
36.0
51.6
25.9
1500
50.8
58.1
23.8
67.1
43.1
1600
72.7
37.1
76.7
47.0
81.6
59.2
34.4
1700
90.9
62.0
22.7
93.0
67.6
35.3
95.3
74.3
51.1
28.7
1800
82.2
50.0
85.0
57.8
26.7
88.4
66.8
45.2
1900
99.2
72.9
41.0
100.5
76.7
50.5
101.8
81.5
61.4
2000
90.8
65.4
92.7
70.4
95.0
76.4
2100
84.4
87.1
90.2
2200
102.7
103.3
WEIGHT
(1000 KG)
WET SNOW DEPTH
5 mm (0.20 INCHES)
13 mm (0.50 INCHES)
30 mm (1.18 INCHES)
PRESS ALT (FT)
PRESS ALT (FT)
PRESS ALT (FT)
S.L.
5000 10000 14500 S.L.
5000 10000 14500 S.L.
5000 10000 14500
90
-10
-5
0
0
-6
-1
0
0
0
0
0
0
80
-14
-9
-4
0
-10
-5
0
0
0
0
0
0
70
-18
-13
-8
-3
-14
-9
-4
0
-4
0
0
0
60
-22
-17
-12
-7
-19
-14
-9
-4
-10
-5
0
0
50
-27
-22
-17
-12
-25
-20
-15
-10
-18
-13
-8
-4
40
-33
-28
-23
-19
-32
-27
-22
-17
-28
-23
-18
-14
October 26, 2021
