Cirrus Design Section 7
SR20 Airplane and Systems Description
P/N 21399-004 7-89P/N 21399-004 7-89
GDL 69/69A XM Satellite Weather and Radio
The XM Datalink Satellite Receiver, mounted in the empennage
avionics compartment, receives and transmits near real-time weather
information to the MFD and PFD. If GDL 69A option is installed, this
unit also provides digital XM audio entertainment to the cabin audio
system via the GRT 10 XM Radio Remote Transceiver, mounted in the
empennage avionics compartment and controlled by the GRC 10
Remote Control.
28 VDC for Satellite Datalink Receiver operation is supplied through
the 5-amp DATA LINK/WEATHER circuit breaker on AVIONICS BUS.
Refer to the Perspective Integrated Avionics System Pilot’s Guide for a
complete description of the system, its operating modes, and
additional detailed operating procedures.
S-Tec System 55X Autopilot
Refer to latest revision of AFM Supplement 11934-S39 S-Tec Fifty
Five X Autopilot w/ Optional Flight Director for operating information.
S-Tec System 55SR Autopilot
Refer to latest revision of AFM Supplement 11934-S40 S-Tec Fifty
Five SR Autopilot for operating information.
Traffic Advisory System
The Traffic Advisory System (TAS) advises the pilot of transponder-
equipped airplane that may pose a collision threat. TAS information is
displayed on the MFD and indicates the relative range, bearing, and
altitude of intruder airplane. The Traffic Advisory System consists of a
Transmitter Receiver Computer under the LH cockpit seat, and two
directional antennas installed on the airplane exterior. The system
utilizes inputs from the secondary Integrated Avionics Units via the
primary Air Data Computer and is controlled via the MFD or Flight
Management System Keyboard.
28 VDC for Traffic Advisory System operation is supplied through the
5-amp TRAFFIC circuit breaker on AVIONICS BUS. Refer to the
Perspective Integrated Avionics System Pilot’s Guide for a general
description of the system and its operating modes. If applicable, refer
to the L-3 Skywatch Pilot’s Guide for a detailed discussion of the
Traffic Advisory System.
Revision A1
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