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SkyView
HDX System
General Maintenance Manual, Revision F
6.7
SV-XPNDR-261 Transponder
An SV-XPNDR-261 transponder (see
) is a Class 1, Technical Standard Ordered
(TSO), remote-mounted, Mode-S transponder. It receives TIS-B (U.S. only) and transmits
ADS-B Out. The FAA 2020 ADS-B Out Mandate (14 CFR § / FAR 91.227) requires a Class 1
transponder for flight in Class B or Class C airspaces. Up two SV-XPNDR-261 transponders can
be installed in a SkyView HDX System.
Figure 29: SV-XPNDR-261
6.8
SV-ADSB-472 ADS-B IN Receiver
) is a dual band ADS-B IN receiver. It receives weather and
traffic data via 978 MHz UAT (U.S. only) and 1090 MHz ES. In the U.S., it receives free weather
and airspace restriction information (FIS-B)
from the FAA’s network of ADS-B ground stations.
FIS-B traffic information is also available if the SV-ADSB-472 is paired with an SV-XPNDR-261
transponder.
Figure 30: SV-ADSB-472