SkyView HDX System Overview
2-4 SkyView HDX Pilot’s User Guide – Revision B
Flight Data Modules – SV-ADAHRS-200, SV-ADAHRS-201, and SV-MAG-236
This guide uses SV-ADAHRS-20X to refer to both the SV-ADAHRS-200 and the SV-
ADAHRS-201. The SV-ADAHRS-200 and SV-ADAHRS-201 are identical in
performance and are designed to work together as a redundant ADAHRS solution.
An SV-ADAHRS-200 must be installed in your SkyView system use an SV-ADAHRS-
201.
The primary flight instruments on your SkyView PFD are generated using a group of calibrated
sensors built into the SV-ADAHRS-20X ADAHRS module. All sensors are solid state – that is,
there are no moving parts. These sensors include accelerometers, which measure forces in all
three directions; rotational rate sensors, which sense rotation about all three axes; pressure
transducers for measuring air data; and magnetometers on all three axes for measuring
magnetic heading.
Due to the sensitivity of the SkyView ADAHRS to magnetic interference, some aircraft
installations are better served by mounting the SV-ADAHRS-20X within the specified center of
gravity box and installing an SV-MAG-236 Remote Magnetometer well away from any dynamic
magnetic interference – and possibly outside the center of gravity box specified for the
ADAHRS. If an SV-MAG-236 is installed, its magnetometer provides magnetic heading data to
the system, and data from the integrated magnetometer(s) in the SV-ADAHRS-20X are
disregarded.
Table 2 describes which inputs and sensors are used within the ADAHRS module to generate
the different displayed instruments.
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