Installation guide

SV-ADAHRS-200/201 Installation and Configuration
5-4 SkyView System Installation Guide - Revision R
Pneumatic Ports
The AOA, pitot, and static ports on the SV-ADAHRS-200/201 are equipped with 1/8” NPT
Female fittings. To attach your pitot and static lines to the module, you must use standard 1/8”
NPT male fittings at the end of each of the lines.
SkyView’s attitude calculation requires airspeed from pitot and static. A GPS
source can be used as a backup if the pitot and/or static source fails, but should
not be the primary source.
Do not use ferrous pneumatic fittings.
To install, simply connect your static and pitot sources to the SV-ADAHRS-200/201. If you are
performing a retrofit installation, consider “teeing” off of existing lines using a tee fitting.
Reference the sticker on top of the respective module for pneumatic port identification.
Use a wrench to secure the mating pressure line fittings to the corresponding locations on the
SV-ADAHRS-200/201. Do not over-tighten.
If you purchased Dynon’s AOA/Pitot Probe, note that it has pitot and AOA ports, but no static
port. You will need to provide your own source of static pressure for the SV-ADAHRS-200/201.
Magnetic Heading Calibration
Dynon calibrates every ADAHRS during manufacture, however a separate
calibration is required to accurately measure magnetic heading in an aircraft
installation. The calibration procedure in this section simultaneously calibrates
every SV-ADAHRS-200/201 in the SkyView network.
Magnetic heading calibration requires pointing the aircraft in four directions and acquiring data
at each direction. The aircraft’s configuration and major systems should be in a state that
resembles flight conditions during calibration (i.e., the canopy should be closed, the aircraft’s
pitch attitude matches SkyView’s attitude depiction, the engine should be running, and all
electronic devices should be on). An accurate method of aligning the aircraft with magnetic
North, East, South, and West, such as an airport’s compass rose, is required.
Tail wheel equipped aircraft can be calibrated in their normal nose up ground
attitude as long as the SkyView attitude display shows the correct corresponding
nose up attitude.
A working GPS receiver with a view of the sky to acquire GPS data must be
connected to the SkyView system in order to calibrate magnetic heading. SkyView
uses GPS-derived position information to calculate magnetic intensity, declination,
and variation.