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Information Manual 4-19
Cirrus Design Section 4
SR22 Normal Procedures
Cruise
Normal cruising is performed between 55% and 85% power. The
engine power setting and corresponding fuel consumption for various
altitudes and temperatures can be determined by using the cruise data
in Section 5.
The selection of cruise altitude is made based on the most favorable
wind conditions and the desired power settings. These significant
factors should be considered on every trip to reduce fuel consumption.
• Note •
For engine break-in, cruise at a minimum of 75% power until
the engine has been operated for at least 25 hours or until oil
consumption has stabilized. Operation at this higher power will
ensure proper seating of the rings, is applicable to new
engines, and engines in service following cylinder
replacement or top overhaul of one or more cylinders.
1. Fuel Pump ...............................................................................OFF
• Note •
The Fuel Pump may be used for vapor suppression during
cruise.
2. Cruise Power............................................................................ SET
3. Mixture ................................................................LEAN as required
4. Engine Parameters ........................................................MONITOR
• Note •
Fuel BOOST must be used for switching from one tank to
another. Failures to activate the Fuel Pump before transfer
could result in delayed restart if the engine should quit due to
fuel starvation.
5. Fuel Flow and Balance ..................................................MONITOR
June 2007
4-20 Information Manual
Section 4 Cirrus Design
Normal Procedures SR22
Cruise Leaning
Exhaust gas temperature (EGT) may be used as an aid for mixture
leaning in cruise flight. For “Best Power” use 75% power or less.
For “Best Economy” use 65% power or less. To adjust the mixture,
lean to establish the peak EGT as a reference point and then adjust
the mixture by the desired increment based on the following table:
Under some conditions, engine roughness may occur while operating
at best economy. If this occurs, enrich mixture as required to smooth
engine operation. Any change in altitude or Power Lever position will
require a recheck of EGT indication.
Descent
1. Altimeter ...................................................................................SET
2. Cabin Heat/Defrost ................................................ AS REQUIRED
3. Landing Light ............................................................................ ON
4. Fuel System....................................................................... CHECK
5. Mixture ................................................................... AS REQUIRED
6. Brake Pressure .................................................................. CHECK
Before Landing
1. Seat Belt and Shoulder Harness......................................SECURE
2. Fuel Pump.......................................................................... BOOST
3. Mixture ................................................................... AS REQUIRED
4. Flaps ...................................................................... AS REQUIRED
5. Autopilot ................................................................. AS REQUIRED
Mixture Description Exhaust Gas Temperature
Best Power 75° F Rich Of Peak EGT
Best Economy 50° F Lean Of Peak EGT
June 2007
Information Manual 4-21
Cirrus Design Section 4
SR22 Normal Procedures
Landing
• Caution •
Landings should be made with full flaps. Landings with less
than full flaps are recommended only if the flaps fail to deploy
or to extend the aircraft’s glide distance due to engine
malfunction. Landings with flaps at 50% or 0%; power should
be used to achieve a normal glidepath and low descent rate.
Flare should be minimized.
Normal Landing
Normal landings are made with full flaps with power on or off. Surface
winds and air turbulence are usually the primary factors in determining
the most comfortable approach speeds.
Actual touchdown should be made with power off and on the main
wheels first to reduce the landing speed and subsequent need for
braking. Gently lower the nose wheel to the runway after airplane
speed has diminished. This is especially important for rough or soft
field landings.
Short Field Landing
For a short field landing in smooth air conditions, make an approach at
77 KIAS with full flaps using enough power to control the glide path
　
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