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Edition – Rev 0
23-10
COMM 1 AND 2 – DESCRIPTION AND OPERATION
23-10 COMM 1 AND 2
DESCRIPTION AND OPERATION
COMM 1
Garmin GNS 430W
The standard equipment Garmin GNS 430W provides a communications transceiver
tuning from 118.00 to 136.975 MHz in 25 kHZ or 8.33 kHZ increments.
Figure 1: GNS 430W front panel
Additionally, the same equipment provides also following navigations functions:
• Position and velocity determination using signals transmitted by Global Positioning System
(GPS) Satellites.
• Display of the stored navigation and map database for use by the pilot/flight crew.
• Area navigation functions using the determined position/velocity and stored navigation data.
• Approach navigation functions including WAAS precision approaches and the associated
database.
• Interfacing with other flight instruments such as autopilot, CDI/HIS (including OBS),
indicators,
• The VOR/ILS localizer receiver tuning from 108.00 to 117.95 MHz in 50 kHZ increments.