IFD400 Series Pilot Guide
Aux Subsystem 4-81
TAWS – although shown on the page as a standalone
option, it is only available when coupled with HELO to
provide HTAWS functions.
SVS – although shown on the page, this option is
unavailable for IFD400 series units.
F500 – standard option to enable FLTA with 500 foot
callout.
ENET/IO – standard option to enable WiFi.
16W – enable 16 watt radio. Only available for 28V
aircraft.
SAR – enable search and rescue patterns
BT – standard option to enable Bluetooth.
HELO – enable helicopter operations (aircraft symbol,
database procedures). When coupled with the TAWS
option, the IFD performs HTAWS functions.
GLAS – enable GPS Legacy Avionics Support for
business jet class aircraft
PORTS – enables a feature that allows use of a WiFi
connected ADS-B input device (e.g. Stratus 3). The
feature will only be operational if the IFD is not configured
to receive traffic/weather from a wired sensor and the
Maintenance Mode option for Capstone portables is
enabled.