曝光台 注意防骗
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autopilot and may also be used to mute the aural alert associated with
an AP disconnect.
Original Issue: 12-18-08
20 of 20 P/N 11934-S40
Section 9 Cirrus Design
Supplements SR20
Annunciation System
• Note •
Refer to the Cirrus Perspective Pilot’s Guide for a detailed
description of the annunciator system and all warnings,
cautions and advisories.
Autopilot Status Box and Mode Annunciation
In addition to the Failure and Caution Annunciations displayed on the
Programmer / Computer, Autopilot selection and status annunciations
are displayed on the PFD above the Airspeed and Attitude indicators.
Section 8 – Handling, Service, & Maintenance
No Change.
Section 10 – Safety Information
No Change.
Original Issue: 12-18-08
P/N 11934-S42 1 of 6
Cirrus Design Section 9
SR20 Supplements
Pilot’s Operating Handbook and
FAA Approved Airplane Flight Manual Supplement
for the
Garmin Terrain Awareness/Warning
System
When the Garmin Terrain Awareness/Warning System is installed on
the aircraft, this POH Supplement is applicable and must be inserted
in the Supplements Section (Section 9) of the Cirrus Design SR20
Pilot’s Operating Handbook. This document must be carried in the
airplane at all times. Information in this supplement adds to,
supersedes, or deletes information in the basic Pilot’s Operating
Handbook.
Original Issue: 12-18-08
2 of 6 P/N 11934-S42
Section 9 Cirrus Design
Supplements SR20
Section 1 - General
The airplane is equipped with the Garmin Terrain Awareness/Warning
System that performs the functions of a Class C Terrain Awareness
and Warning System (TAWS) in accordance with TSO C151b.
Refer to the Cirrus Perspective Integrated Flight Deck Pilot’s Guide for
a additional information on the system and its operating modes.
Section 2 - Limitations
1. The Cirrus Perspective by Garmin Integrated Avionics System
Pilot’s Guide for the SR20 and SR22, P/N 190-00820-02 Rev A or
later must be immediately available to the pilot during flight. The
software status stated in the pilot's guide must match that
displayed on the equipment.
2. Do not use Terrain Awareness and Warning System for navigation
of the aircraft. The TAWS is intended to serve as a situational
awareness tool only and may not provide the accuracy fidelity on
which to solely base terrain or obstacle avoidance maneuvering
decisions.
3. To avoid getting unwanted alerts, TAWS must be inhibited when
landing at an airport that is not included in the airport database.
• Note •
Only vertical maneuvers are recommended responses to
warnings and cautions unless operating in VMC or the pilot
determines, using all available information and instruments,
that a turn, in addition to the vertical escape maneuver, is the
safest course of action. During certain operations, warning
thresholds may be exceeded due to specific terrain or
operating procedures. During day VFR flight, these warnings
may be considered as cautionary.
Pilots are authorized to deviate from their current air traffic
control (ATC) clearance to the extent necessary to comply
with a TAWS warning.
Original Issue: 12-18-08
P/N 11934-S42 3 of 6
Cirrus Design Section 9
SR20 Supplements
Section 3 - Emergency Procedures
To prevent unwanted aural alerting during ditching or other off-airport
landings, inhibit the Terrain Awareness System functions by selecting
the INHIBIT Softkey on the TAWS Page.
Response To TAWS Warnings
Red PULL UP Warning
Aural “PULL UP” Warning
Aural “TERRAIN AHEAD” Warning
Aural “OBSTACLE AHEAD” Warning
1. Level the wings, simultaneously adding full power.
2. Increase pitch attitude to 15 degrees nose up.
3. Adjust pitch attitude to ensure terrain clearance while respecting
stall warning. If flaps are extended, retract flaps to the UP position.
4. Continue climb at best angle of climb speed (Vx) until terrain
clearance is assured.
Section 3A - Abnormal Procedures
Response To TAWS Cautions
Amber TERRAIN Caution
Aural “TERRAIN AHEAD” Caution
Aural “OBSTACLE AHEAD” Caution
Aural “CAUTION, TERRAIN” Caution
Aural “SINK RATE” Caution
Aural “DON’T SINK” Caution
Aural “TOO LOW, TERRAIN” Caution
1. Take positive corrective action until the alert ceases. Stop
descending, or initiate a climb turn as necessary, based on
analysis of all available instruments and information.
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