SV-XPNDR-261/262 Installation and Configuration
SkyView System Installation Guide - Revision AA 11-29
FAA Report for Compliance with FAA ADS-B OUT 2020 Mandate
After you have updated your SkyView system with a SV-GPS-2020 (or other IFR GPS connected
directly to the SV-XPNDR-261), and updated your SV-XPNDR-261’s Software to SW02.08 or
later, you should fly within an ADS-B coverage area(s) for at least several hours (minimum), or
days (optimum), before requesting the report below. This will give the ADS-B system some
reasonable amount of data with your aircraft’s new ADS-B configuration on which to assess
your compliance with the FAA 2020 ADS-B mandate.
Go to https://www.faa.gov/nextgen/programs/adsb/
See the first highlighted section entitled
ADS-B Out Equipped?
E-mail us with your N-number, ADS-B transmitter and GPS make/model numbers to find out if
your equipment is working properly.
The email address is:
9-AWA-AFS-300-ADSB-AvionicsCheck@faa.gov
Include the following in the email message:
(your N-number)
ADS-B transmitter: Dynon Avionics SkyView SV-XPNDR-261 transponder
GPS: Dynon Avionics SV-GPS-2020
The FAA will email you back a report showing whether you comply, or not, with the FAA 2020
ADS-B mandate. If you do not comply, there will be detailed information about your aircraft’s
issues in complying with the FAA 2020 ADS-B Out mandate.
Altitude Encoder Calibration
In most transponder systems, a calibration is normally carried out every 24 months, as part of
the altimeter checks on the aircraft. The maximum allowed difference between the primary
altimeter and the altitude encoder is 125 feet in ETSO C88a and TSO C88b. The primary
altimeter in SkyView and the altitude encoder are the same device (SV-ADAHRS-200/201). It is
therefore impossible for the encoder and the primary altimeter to exceed 125 feet of altitude
difference. They will always be exactly the same as each other, thereby meeting the TSO
requirements. Therefore, no altitude encoder calibration is possible or necessary.
At times it may be useful to know the altitude that is being reported to the transponder. Since
SkyView sends pressure altitude to the SV-XPNDR-261/262, setting BARO to 29.92 will display
the pressure altitude being transmitted to the transponder in the normal SkyView altitude
display on the right side of the PFD page.
However, note that there is a single point altitude adjustment, located in SETUP MENU >
HARDWARE CALIBRATION > ADAHRS CALIBRATION > ALTITUDE OFFSET that adjusts SkyView’s
barometric altimeter. This adjustment affects both the displayed altitude and the encoded
altitude that is sent to other devices.
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