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17. Navigation Lights ................................................... AS REQUIRED
18. Landing Light ......................................................... AS REQUIRED
19. Magnetos ....................................................CHECK Left and Right
a. Ignition Switch ..................................R, note RPM, then BOTH
b. Ignition Switch .................................. L, note RPM, then BOTH
• Note •
RPM drop must not exceed 150 RPM for either magneto. RPM
differential must not exceed 75 RPM between magnetos. If
there is a doubt concerning operation of the ignition system,
RPM checks at higher engine speeds will usually confirm
whether a deficiency exists.
An absence of RPM drop may indicate faulty grounding of one
side of the ignition system or magneto timing set in advance of
the specified setting.
20. Engine Parameters ............................................................ CHECK
21. Power Lever ................................................................... 1000 RPM
22. Flight Instruments, HSI, and Altimeter ....................CHECK & SET
23. Flight Controls................................................. FREE & CORRECT
24. Trim..............................................................................SET Takeoff
25. Autopilot .................................................................. DISCONNECT
March 2010
4-16 Information Manual
Section 4 Cirrus Design
Normal Procedures SR20
Takeoff
• Note •
The engine is equipped with an altitude compensating fuel
pump that automatically provides the proper full rich mixture.
Because of this, the mixture should be left full rich for takeoff,
even at high altitude airfields.
Power Check: Check full-throttle engine operation early in takeoff run.
The engine should run smoothly and turn approximately 2700 RPM.
All engine parameters should read in the green. Discontinue takeoff at
any sign of rough operation or sluggish acceleration. Make a thorough
full-throttle static runup before attempting another takeoff.
For takeoff over a gravel surface, advance Power Lever slowly. This
allows the airplane to start rolling before high RPM is developed, and
gravel will be blown behind the propeller rather than pulled into it.
Flap Settings: Normal and short field takeoffs are accomplished with
flaps set at 50%. Takeoffs using 0% are permissible, however, no
performance data is available for takeoffs in the flaps up configuration.
Takeoffs with 100% flaps are not approved.
Soft or rough field takeoffs are performed with 50% flaps by lifting the
airplane off the ground as soon as practical in a tail-low attitude. If no
obstacles are ahead, the airplane should be leveled off immediately to
accelerate to a higher climb speed.
Takeoffs into strong crosswinds are normally performed with the flaps
set at 50% to minimize the drift angle immediately after takeoff. With
the ailerons fully deflected into the wind, accelerate the airplane to a
speed slightly higher than normal while decreasing the aileron
deflection as speed increases then - with authority - rotate to prevent
possibly settling back to the runway while drifting. When clear of the
ground, make a coordinated turn into the wind to correct for drift.
• Note •
Fuel BOOST should be left ON during takeoff and for climb as
required for vapor suppression with hot or warm fuel.
March 2010
Information Manual 4-17
Cirrus Design Section 4
SR20 Normal Procedures
Normal Takeoff
1. Brakes....................................RELEASE (Steer with Rudder Only)
2. Power Lever ........................................................FULL FORWARD
3. Engine Parameters ............................................................ CHECK
4. Elevator Control ........................ ROTATE Smoothly at 65-70 KIAS
5. At 85 KIAS, Flaps.......................................................................UP
Short Field Takeoff
1. Flaps ........................................................................................50%
2. Brakes ..................................................................................HOLD
3. Power Lever ........................................................FULL FORWARD
4. Engine Parameters ............................................................ CHECK
5. Brakes....................................RELEASE (Steer with Rudder Only)
6. Elevator Control ............................. ROTATE Smoothly at 65 KIAS
7. Airspeed at Obstacle .........................................................75 KIAS
March 2010
4-18 Information Manual
Section 4 Cirrus Design
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西锐20飞机信息手册CIRRUS DESIGN SR20 AIRPLANE INFORMATION MA(30)
