737 Flight Crew Training Manual
737-600 - 737-900 The flap maneuvering speed schedule is based upon VREF 40 and provides full maneuver margin to stick shaker at all weights. 737-300 - 737-500
Flap Position At or Below 117,000 LB (53,070 KG) Above 117,000 LB (53,070 KG) and At or Below 138,500 LB (62,823 KG) Above 138,500 LB (62,823 KG)
Flaps UP 210 knots 220 knots 230 knots
Flaps 1 190 knots 200 knots 210 knots
Flaps 5 170 knots/ *180 knots 180 knots/ *190 knots 190 knots/ *200 knots
Flaps 10 160 knots/ *170 knots 170 knots/ *180 knots 180 knots/ *190 knots
Flaps 15 150 knots 160 knots 170 knots
Flaps 25 140 knots 150 knots 160 knots
Flaps 30 VREF 30
Flaps 40 VREF 40
*Maneuvering speeds for airplanes without the Rudder System Enhancement Program (RSEP) installed.
737-600 - 737-900
Flap Position All Weights
Flaps UP VREF 40 + 70
Flaps 1 VREF 40 + 50
Flaps 5 VREF 40 + 30
Flaps 10 VREF 40 + 30
Flaps 15 VREF 40 + 20
Flaps 25 VREF 40 + 10
Flaps 30 VREF 30
Flaps 40 VREF 40
Copyright . The Boeing Company. See title page for details.
FCT 737 (TM) October 31, 2006
737 Flight Crew Training Manual
During flap retraction/extension, selecting the next flap setting should be initiated when reaching the maneuver speed for the existing flap position. The airplane
should be accelerating when flaps are retracting to the next position. During flap retraction, at least adequate maneuver margin or 30° of bank capability (15° angle of bank and 15° overshoot) to stick shaker is provided at the flap retraction speed. Full maneuvering capability or at least 40° of bank capability (25° of bank and 15° overshoot) is provided when the airplane has accelerated to the recommended flap maneuvering speed for the selected flap position. During flap extension, selection of the flaps to the next position should be made prior to decelerating below the recommended flap speed for the current flap setting.
737-300 - 737-500 For airplanes equipped with an ADI speed tape, the maneuver speed for the existing flap position is indicated by the “F” symbol on the speed tape.
737-600 - 737-900 The maneuver speed for the existing flap position is indicated by the numbered flap maneuvering speed bugs.
737 Flight Crew Training Manual
Maneuver Margins to Stick Shaker
The following figures illustrate airplane maneuvering capability or margin to stick shaker as a function of airspeed. This includes an engine inoperative departure scenario (Takeoff) and an all engine approach scenario (Landing).
When reviewing the maneuver margin illustrations, note that:
.
there is a direct correlation between bank angle and load factor (G's) in
level, constant speed flight. For example, 1.1G corresponds to 25° of
bank, 1.3G ~ 40°, 2.0G's ~ 60°
.
the illustrated bank maneuver capability assumes a constant speed, level
flight condition
.
stick shaker activates prior to actual stall speed
.
the bold line designates flap configuration changes at the scheduled flap
transition speeds
737-300 - 737-500
.
flap transition speeds are shown for airplanes with a Rudder Pressure
Reducer (RPR) operating and the Rudder System Enhancement Program
(RSEP) installed.
737-600 - 737-900
.
maneuver margins are based upon basic stick shaker schedules and do not
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