R Mod : 0032 or 2267 or 4331
ATR 42 Model : 500
GENERAL
COMMUNICATIONS
P 2
NOV 01
090
1.05
.
10
VHF COMMUNICATION SYSTEM
Two systems are provided.
Each system has its own transceiver to provide communications on 720 channels from
118.000 to 136.975 MHz with 25 KHz spacing, and is controlled by a VHF control box with
dual frequency selection.
In case of audio control panel loss, two AUDIO SEL pbs allow to select one VHF on each
side.
HF COMMUNICATION SYSTEM
The system provides the pilot access to 40 programmable channels, plus a full 280,000
operating frequencies in the 2.0 to 29.9999 MHz range.
It is controlled by a HF control box through its transceiver.
AA
AviationLearning.net
01/07//2018 REV 1 These notes are not revised after issue For Training Purposes Only
Page 191 of 764