IFD500 Series Pilot Guide
1-4 System Overview
IFD550
The Avidyne IFD550 is a GPS, VHF Communication, and VHF
Navigation transceiver whose primary function is to conduct VHF
communication and navigation, and to serve as the primary
navigation system for VFR and IFR VHF and GPS navigation and
instrument flying, provided it is connected to an external
navigation source selection annunciator and a CDI/HSI indicator
that is installed in the required field of view.
IFD550 Integrated Flight Display
The IFD550 also provides a synthetic terrain/vision image to
enhance the pilot’s awareness of their spatial position relative to
the terrain, obstacles and known traffic. Pitch, roll, and skid/slip
indicators also aid in attitude awareness. If the system is
receiving a heading input, then heading and rate of turn will be
displayed for additional aircraft state awareness. In degraded
conditions, the synthetic vision view will be replaced with a
traditional blue over brown attitude indication. The attitude
sensing and depiction of the IFD550 provides a non-required
secondary indicator in addition to the required attitude
instruments installed in the aircraft.
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