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or NOTAM, see note at bottom of page). Performance data for runways
not presented maybe requested from dispatch or load planning.
FLEX TEMP GW (Assumed Temperature): Maximum assumed
temperatures available for use with the specific weight and runway. If N/A
is shown a reduced power takeoff is not authorized for that runway.
TEMP - A range of temperatures above and below the actual ambient
degrees Celsius.
737 Sec. 5 Page 9
Flight Manual Continental Rev. 11/15/02 #41
RUNWAY: Runway limit weight (in hundreds of pounds) for the
associated temperature and runway. If N/A is shown the runway is not
authorized for takeoff. Runway limit weights are based on CALM WINDS,
DRY (normal braking) conditions, BLEEDS OFF, ANTI-ICE OFF, ANTISKID
OPERATIVE, and PMC/EEC OPERATIVE/NORM. This is the
lesser of field length limited and obstacle limited weights for takeoff from
that runway.
CLIMB: The 2nd segment climb limited weight (in hundreds of pounds) for
the associated temperature. This limit applies to ALL runways at the
departure airport (2nd segment climb). Climb limited weights are based on
ANTI-ICE OFF and PMC/EEC OPERATIVE/NORMAL. This weight
ensures the 2.4% gross gradient required for second segment climb
performance.
LB/KT: Weight corrections for actual takeoff wind components.
HW: Headwind correction. Add indicated pounds per knot of headwind to
the zero wind runway weight. Headwind corrections may only be applied
after agreement with the Captain.
TW: Tailwind correction. Subtract indicated pounds per knot of tailwind
from the zero wind runway weight. Corrections must be made if tailwind is
present.
LENGTH: Length of the runway (in feet). If a NOTAM was incorporated
in the calculation, the NOTAMed runway length will be shown.
SLOPE: The slope of the takeoff runway in percent. Minus ( - ) sign for
downhill slope.
Notes applicable to the asterisked (*) runway (i.e. intersection data or
NOTAMs).
Sec. 5 Page 10 737
Rev. 11/15/02 #41 Continental Flight Manual
Manual Calculation Instructions
Utilize the following procedure for calculation of Takeoff Weight Limitations,
Assumed Temperature and V Speeds, when coordination with load planning is
not possible or feasible.
Given the conditions below and using the example Runway Analysis for Airport
AAA, determine the maximum allowable takeoff weight, bleed configuration,
assumed temperature and V Speeds to be used for this takeoff.
AIRPORT AAA RUNWAY 26 (dry)
ELEVATION 98 FT FLAP SETTING 05
CEILING CLR ACTUAL TAKEOFF
VISIBILITY 10 WEIGHT 108,000
O.A.T. 26°C AIRCRAFT 301
WIND 2407
ALTIMETER 29.97
CO 362/05 A/C 301
**** TAKEOFF GROSS WEIGHTS B737-3-B1 - BLEEDS OFF - ****
AAA ELEV 98 TEMP 79F WIND 2407 PLANNED GW 108000
PWR: -B1 FLAP: 05
RUNWAYS: 14L* 08 09* 26 27 32R 32L
FLEX TEMP GW
115000 110 110 110 110 110 110 95
112000 115 115 115 115 115 115 115
109000 120 120 120 120 120 120 110
106000 120 120 120 120 120 120 110
TEMP-F CLIMB
65 1337 1315 1379 1359 1421 1421 1208 1292
75 1335 1313 1377 1356 1418 1418 1203 1290
85 1333 1312 1376 1353 1415 1415 1198 1290
95 1332 1310 1374 1351 1413 1413 1193 1289
LB/KT
HW 0080 0050 0080 0 0060 0 0120
TW 0320 0380 0370 0540 0930 0530 0440
737 Sec. 5 Page 11
Flight Manual Continental Rev. 11/15/02 #41
SOLUTION:
1. Maximum takeoff weight is the lesser of the runway limit, climb limit, or
structural limit.
A. Runway limit is found by entering the takeoff weight page for AAA
flaps 5, moving across to the runway 26 column, and interpolating for
26°C (79°F) ----- 135,500 lbs.
B. Climb limit is found in the same manner, with the climb column found
at the far right ----- 129,000 lbs.
C. The structural limits for this aircraft are 135,000 lbs. for takeoff, and
114,000 lbs. for landing.
Assuming the burn is in excess of 15,000 lbs., the maximum takeoff weight
is 129,000 lbs. (climb limit).
2. To determine if a BLEEDS ON takeoff can be made, refer to the Bleed
Configuration paragraph in the following section. Add the appropriate
weight correction to actual gross weight and compare to the appropriate
runway limit and climb limit.
Actual weight (108,000 lbs.) + the correction (4000 lbs.) = 112,000 lbs.
112,000 lbs. is less than the runway limit of 135,500 lbs. and the climb
limit of 129,000 lbs. so a BLEEDS ON takeoff is possible.
3. Assumed Temperature is determined by entering the FLEX TEMP GW
portion, for the appropriate runway, with aircraft weight or actual weight +
bleed correction if using a BLEEDS ON takeoff.
In this case, utilizing BLEEDS ON, we enter the FLEX TEMP GW column
　
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