.  
22.766 MHz

Aircraft Communications Addressing and Reporting System (As installed)
The ACARS is limited to the transmission and receipt of messages which will not create an unsafe condition if the message is improperly received, such as the following conditions:
.  
the message or parts of the message are delayed or not received,

.  
the message is delivered to the wrong recipient, or

.  
the message content may be frequently corrupted.
However, Pre-Departure Clearance, Digital Automatic Terminal
Information Service, Oceanic Clearances, Weight and Balance and

Takeoff Data messages can be transmitted and received over ACARS if they are verified per approved operational procedures.
Electrical Power Non–AFM Electrical Power Operational Information Note: The following items are not AFM limitations but are provided for flight
crew information. Maximum generator drive oil temperature: 157° C
Engines and APU Engine Limit Display Markings
Maximum and minimum limits are red. Caution limits are amber.
Limitations -Operating Limitations 737 Operations Manual

General Engine Limitations
Maximum time limit for takeoff thrust  5 minutes 
Maximum N1 RPM  102% 106% (1) 
Maximum N2 RPM  105% 
Maximum Takeoff EGT  905° C 930° C (2) 
Maximum Continuous EGT  870° C 895° C (2) 
Maximum Start EGT  725° C 
Minimum Oil Pressure  13 psi 
Maximum Oil Temperature  165° C maximum 160° C – 165° C allowable for 15 minutes 160° C maximum continuous 
(1) Applicable only after installation of N1 indicators displaying a red line limit of 106% RPM (2) Applicable only after installation of EGT indicators displaying a red line limit of 930° C and an amber arc starting at 895° C 

Engine Ignition
Continuous ignition must be on (ENGINE START switch in the CONT position)

during takeoff and landing and during engine anti–ice operations.
When flight in moderate or heavy rain, hail, or sleet is encountered or anticipated,
engine start switches must be set to FLT and a minimum of 45% N1 must be
maintained except on short final when landing is assured.

Note:  This restriction applies only to airplanes with a 45% N1 placard. The placard is located on the applicable pilot’s panel.
PMC
Both PMC’s must be either OFF or ON for takeoff.
Reverse Thrust
Intentional selection of reverse thrust in flight is prohibited.
Copyright . The Boeing Company. See title page for details.
L.10.12   June 4, 2004

Limitations -Operating Limitations 737 Operations Manual
Non–AFM Engine Operational Information
Note:  The following items are not AFM limitations but are provided for flight crew information.
Pneumatic pressure (prior to starter engagement): minimum 30 psig at sea level,
decreasing 1/2 psig per 1,000 ft. above sea level.
Starter Duty Cycle (normal start) –
.
first attempt: 2 minutes on, 20 seconds off

.
second and subsequent attempts: 2 minutes on, 3 minutes off.

APU
Maximum start EGT is 760° C. (Garrett GTCP 85-129)
Maximum continuous EGT is 710° C. (Garrett GTCP 85-129)
With APU bleed + electrical load, maximum altitude is 10,000 ft.
With APU bleed, maximum altitude is 17,000 ft.
With APU electrical load, maximum altitude is 35,000 ft. (Garrett GTCP 85-129)

Non–AFM APU Operational Information
Note:  The following items are not AFM limitations but are provided for flight crew information.
APU bleed valve must be closed when:
.
ground air connected and isolation valve open

.
engine no. 1 bleed valve open

.
isolation valve and engine no. 2 bleed valve open.

APU bleed valve may be open during engine start, but avoid engine power above idle.
Flight Controls
Maximum flap extension altitude is 20,000 ft.
In flight, do not extend the SPEED BRAKE lever beyond the FLIGHT DETENT.

Non–AFM Flight Controls Operational Information
Note:  The following items are not AFM limitations but are provided for flight crew information.
Do not deploy the speedbrakes in flight at radio altitudes less than 1,000 feet.
Limitations -Operating Limitations 737 Operations Manual

Alternate flap duty cycle:
Flaps 0 – 15  5 minutes off 
Flaps greater than 15  25 minutes off 

Flight Management, Navigation
For airplanes with FMC update earlier than U7.2:
During VOR approaches, one pilot must have raw data from the VOR associated
　
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