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1.5 SYSTEM COMPONENT DESCRIPTION
1.5.1 General
The RDR-1600 Radar System consists of three flight-line replaceable units (LRU): a Receiver-
Transmitter (RT-1601), radar Control Panel (CP-113), and an Antenna Drive unit with antenna (DA-
1203A). In addition to the above LRUs, additional equipment is necessary to operate the radar
system. One or two Multifunction Displays (MFD) are necessary to display the radar data and modes
of operation. For antenna stabilization, a gyro or Attitude Heading Reference System (AHRS)
system is required.
EFIS Control
Panel Number 1
EFIS Control
Panel Number 2
(Optional)
CP-113 Radar
Control Panel
EFIS Display System
Number 1
RT-1601 Receiver Transmitter
EFIS Display System
Number 2
(Optional)
DA-1203A
Antenna Drive
AA-4510A
AA-4512A
AA-4518A
AA-1812A
Vertical Gyro*
* The RT-1601 can accept
ARINC 429 data from an
AHRS system and drive
the DA-1203A
Figure 1.5-1. RDR-1600 Radar System
1.5.2 RT-1601 Receiver Transmitter
The RT-1601 Receiver Transmitter is housed in a short ½ ATR form factor case. Overall dimensions
can be found on the receiver-transmitter outline drawing. The RT unit’s mounting tray, which is
designed for front loading, provides positive positioning and holding of the unit to the aircraft. The
mounting tray is mounted to the aircraft, and the RT unit can easily be removed and replaced for
servicing. Depending upon installation requirements different models of the mounting tray are
available.
