Yes. Depending on the indicator configuration utilized, the Skywatch HP System can be certified for TCAS I operation. Sextant IVSIs, Collins EFIS systems (provided that EFIS has traffic software in the processor unit) can display the traffic information from the Skywatch HP for TCAS I approval. Proline IV and Proline 21 MFDs are approved interfaces as well. Various radars, with the use of the Goodrich RGC-250 radar graphics computer, can display this traffic information as well. These MFDs in include the Avidyne Flightmax, Honeywell KMD-550/850, UPS Aviation MX20 and the Goodrich i-Link MFD. Garmin series units such as the GNS-430 and GNS-530 GPS/Nav/Comms are approved for traffic advisory TSO C147 but not for TCAS I TSO C118.