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SkyWatch adds the following optional (Sym = O) equipment at the
weight and arm shown in the following table.
Section 7 - Systems Description
The SkyWatch model SKY497 is an airborne Traffic Advisory System
(TAS). SkyWatch monitors a radius of approximately 6 nautical miles
around the aircraft by interrogating transponders in the monitored area
and determining if a collision threat exists. To determine if a collision
threat exists, SkyWatch calculates the range, altitude, bearing, and
closure rate of all transponder equipped aircraft with the 6 nautical
mile range. When SkyWatch detects an intruder aircraft within 0.55
nautical mile horizontal distance and a ±800 ft relative altitude or
detects an intruder aircraft is on a course that will intercept the
SkyWatch airplane’s course within 20 seconds (non-altitude reporting
intruder aircraft) or 30 seconds (altitude reporting intruder aircraft),
SkyWatch will issue a Traffic Advisory (TA). Traffic Advisories are
indicated on the GNS 430 displays and aural “Traffic, Traffic” warnings
are announced in the headphones and cabin speaker.
ATA/
Item
Description Sym Qty Part Number
Unit
Wt
Arm
34-01 SkyWatch Inverter O 1 14484-001 0.5 118.0
34-02 SkyWatch Antenna Instl. O 1 14477-001 2.3 150.5
34-03 SkyWatch Track Box O 1 14477-050 10.0 140.0
34-04 SkyWatch Wiring Instl O 1 14479-001 2.0 145.0
Revision 01: 10-12-05
6 of 6 P/N 11934-S15
Section 9 Cirrus Design
Supplements SR20
SkyWatch may be pilot controlled through the GNS 430 controller.
STBY (standby), OPER (operational), and SELF TEST modes as well
as altitude display (ABV, look up; NRM, normal: BLW, look down; or
UNR, unrestricted) can be selected.
The SkyWatch System consists of a Transmitter Receiver Computer
(TRC) installed under the copilot’s seat just forward of the spar tunnel
and a directional antenna installed on the airplane exterior above the
cabin. The system also utilizes inputs from the altitude encoder, the
aircraft heading system (gyro slaving amplifier), and a speed switch
plumbed into the pitot system. Electrical power for system operation is
28 vdc supplied through the 5-amp SKYWATCH Circuit Breaker on the
Avionics Non-Essential bus.
• Note •
Refer to the L-3 Avionics Systems SkyWatch Pilot’s Guide (P/
N 009-10801-001) for a description of the SkyWatch System.
Refer to the GARMIN Addendum for “Display Interface for
Traffic and Weather Data” P/N 190-001140-10 for additional
operational information and a display description.
Revision 01: 10-12-05
P/N 11934-S22 1 of 10
Cirrus Design Section 9
SR20 Supplements
Pilot’s Operating Handbook and
FAA Approved Airplane Flight Manual
Supplement
For
Garmin GNS 430 GPS Navigator
When a Garmin GNS 430 GPS Navigator with NAV, ILS, and COM is
installed in the Cirrus Design SR20 this 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
either adds to, supersedes, or deletes information in the basic SR20
Pilot’s Operating Handbook.
• Note •
This POH Supplement Revision dated Revision 02: 08-15-07
supersedes and replaces the Revision 01 of this supplement
dated 05-25-05.
Serials 1005 thru 1267; This supplement replaces GNS 430
GPS Navigator supplement. P/N 11934-S03 original release
or later.
Revision 02: 08-15-07
2 of 10 P/N 11934-S22
Section 9 Cirrus Design
Supplements SR20
Figure - 1
Section 1 - General
The airplane is equipped with a Garmin GNS 430 GPS Navigator with
VHF Nav, ILS, and VHF Com herein referred to as the “Navigator.” The
GNS 430 is capable of providing IFR enroute, terminal, and approach
navigation with position accuracies better than 15 meters. The system
utilizes the Global Positioning System (GPS) satellite network to derive
the airplane’s position (latitude, longitude, and altitude) and the
altitude digitizer to enhance the altitude calculation.
The GARMIN GNS 430 GPS Navigator may be installed in single or
dual installations. If one GNS 430 is installed, it will be designated
‘GPS 1,’ and either a GARMIN GNC 250XLGPS Navigator or a
GARMIN GNC 420 GPS Navigator will be installed as GPS 2. Refer to
applicable supplements for descriptions of these units.
If two GARMIN GNS 430 Navigators are installed, the upper unit will
be designated ‘GPS 1’ and the lower unit will be designated ‘GPS 2.’ In
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西锐20飞机信息手册 SR22 AIRPLANE INFORMATION MANUAL 1148-126(108)
