737 Flight Crew Operations Manual
Supplementary Procedures -
Air Systems
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP SP.2.5
After Takeoff
Note: If engine failure occurs, do not position engine BLEED air
switches ON until reaching 1500 feet or until obstacle clearance
height has been attained.
At not less than 400 feet, and prior to 2000 feet above field elevation:
Engine No. 2 BLEED air switch ..............................................ON
When CABIN rate of CLIMB indicator stabilizes:
Engine No. 1 BLEED air switch ..............................................ON
ISOLATION VALVE switch .............................................. AUTO
Landing
When below 10,000 feet and starting the turn to final approach:
Engine BLEED air switches ................................................... OFF
Avoid high rates of descent for passenger comfort.
No Engine Bleed Takeoff and Landing
When making a no engine bleed takeoff or landing with the APU
operating.
Takeoff
Note: If anti–ice is required for taxi, configure for a “No Engine Bleed
Takeoff” just prior to takeoff.
Note: If anti–ice is not required for taxi, configure for a “No Engine
Bleed Takeoff” just after engine start.
Right PACK switch........................................................................AUTO
ISOLATION VALVE switch ....................................................... CLOSE
Left PACK switch ..........................................................................AUTO
Engine No. 1 BLEED air switch ...................................................... OFF
APU BLEED air switch......................................................................ON
Engine No. 2 BLEED air switch ...................................................... OFF
Trim Air Switch ..................................................................................ON
September 24, 2015
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