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b. Enroute and Descent.........................................1000 feet AGL
c. Approach (GP or GS Mode) ............ Higher of 200 feet AGL or
Approach MDA, DA, DH.
d. Approach (IAS, VS, PIT or ALT Mode)...Higher of 400 feet
AGL or Approach MDA.
5. Yaw Damper must be turned off for takeoff and landing
6. The autopilot may not be engaged beyond the Engagement
Limits. If the autopilot is engaged beyond the command limits (up
to engagement limits) it will be rolled or pitched to within the
command limits and an altitude loss of 1000 feet or more can be
expected while attitude is established in the selected mode.
Axis Autopilot Engagement Limit
Pitch ± 30°
Roll ± 75°
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7. The autopilot and flight director will not command pitch or roll
beyond the Command Limits.
8. Use of VNAV is not supported during an approach with a teardrop
course reversal. VNAV will be disabled at the beginning of the
teardrop.
Section 3 - Emergency Procedures
Autopilot Malfunction
Refer to Electric Trim/Autopilot Failure procedure in the basic Pilot’s
Operating Handbook. Do not reengage the autopilot until the
malfunction has been identified and corrected. The autopilot may be
disconnected by:
1. Pressing the A/P DISC on the control yoke.
or
2. Pulling the AP SERVOS circuit breaker on MAIN BUS 1.
Altitude lost during a roll or pitch axis autopilot malfunction and
recovery:
Axis Autopilot Command Limit
FD Pitch Command Limits +20°, -15°
FD Roll Command Limits ± 25°
Flight Phase Bank Angle Altitude Loss
Climb 45° 300 ft
Cruise 45° 300 ft
Maneuvering 45° 300 ft
Descent 45° 300 ft
Approach 45° 70 ft
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Supplements SR22
Section 3A - Abnormal Procedures
Autopilot Miscompare
AP MISCOMP Caution
Autopilot miscompare, autopilot is not available.
1. Continue flight without autopilot.
Autopilot and PFD Using Different AHRSs
AP/PFD AHRS Caution
The autopilot and PFD are using different Attitude and Heading
Reference Systems.
1. Continue flight without autopilot. Monitor Standby Instruments.
Pilot may manually select other AHRS if installed.
No Autopilot ADC Modes Available
NO ADC MODES Caution
Autopilot air data modes are not available.
1. Autopilot may only be engaged in pitch (PIT) mode.
No Autopilot Vertical Modes Available
NO VERT MODES Caution
Autopilot vertical modes are not available.
1. Autopilot may only be engaged in lateral mode.
AP MISCOMP
AP/PFD AHRS
NO ADC MODES
NO VERT MODES
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SR22 Supplements
Altitude Selection Deviation
ALTITUDE SEL Advisory
The pilot has programmed the autopilot to climb or descend away from
the selected altitude. Typically done unintentionally.
1. Altitude Selection ................................CORRECT, AS REQUIRED
Course Selection Track Error
COURSE SEL Advisory
The pilot has selected an autopilot mode (ROL) and engaged a NAV
mode (VLOC or GPS) and the current aircraft track will not intercept
the selected course. Typically done unintentionally.
1. Course Heading..................................CORRECT, AS REQUIRED
Section 4 - Normal Procedures
• Note •
Normal operating procedures for the GFC 700 Automatic
Flight Control System are described in the Cirrus Perspective
Pilot’s Guide.
PreFlight Inspection
1. A self test is performed upon power application to the Automatic
Flight Control System. A boxed AFCS annunciator will appear on
the PFD in white text on a red background, followed by a boxed
PFT in black text on a white background. Successful completion of
the self test is identified by all Mode Controller annunciator lights
illuminating for approximately two seconds.
Continued on following page.
ALTITUDE SEL
COURSE SEL
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Supplements SR22
Before Taxiing
1. Manual Electric Trim...............................................................TEST
Press the AP DISC button down and hold while commanding trim.
Trim should not operate either nose up or nose down.
2. Autopilot ..............................................ENGAGE (press AP button)
3. Autopilot Override ..................................................................TEST
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西锐20飞机信息手册 SR22 AIRPLANE INFORMATION MANUAL 2979(114)
