The 500W Series unit supports Terrain Proximity or HTAWS and requires a Terrain database card to be installed in order for the function to operate. Updating of each database must be accomplished on the ground prior to flight. Database cycle information is displayed at power up on the screen, but more detailed information is available on the AUX – UTILITY page.Ī) Installations with dual 400W/500W Series units will only crossfill between units when they contain the same database cycle. The software automatically precludes invalid databases for use by the 500W. The 500W Series unit database cards must be installed. (or later FAA approved versions for this STC) The software versions are displayed on the self-test page immediately after turn-on for approximately 5 seconds or they can be accessed in the AUX pages.
Use of this RFMS is limited to the software versions shown in Table 1. The placard listed below shall be located in close proximity to the 500W Series unit. This RFMS does not grant approval for IFR operations. This model helicopter when equipped with the GNS 500W is limited to VFR ONLY operations in accordance with 14 Code of Federal Regulations Part 91 and Part 135.
