Changing your call sign on the AXP340 for an Angel Flight or Animal Rescue is found in the AXP340 Pilot Guide. The Pilot Guide is found at always refer to the latest pilot guide, as this is for reference only. Once done with your flight, the call sign of the AXP340 must be changed back to the tail designation.
Aircraft with the older NavWorx MLB100, Skytrax100: These units are no longer repaired. Avidyne's current shipping product is the Skytrax200; a new purchase is required, there are no trade-ins or upgrades. Antenna requirements for the Skytrax200 (ST200), as of 2021: Pilots adding the ST200 must ensure they …
Information only, refer to the AXP340 Pilot Guide for all updates to this topic. If the AXP340 is displaying the Output Power Low message, have an approved Service Center check the connection at the transponder tray and transmitter cabling.
Alternative Means of Compliance for FAA AD 2019-13-03 Avidyne AXP340 Transponders and BendixKing/Honeywell International KT74 Transponders On August 27, 2019, the FAA issued AD 2019-13-03 advising of an unsafe condition of some Avidyne AXP340 transponders and BendixKing/Honeywell International KT74 transponders …