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[July 20, 2025]


I decided to stretch the legs of the RV a little today and head over to Georgetown, DE for lunch. They have an outstanding restaurant on the field. A little on the warm side today and the clouds kept me under 3,000'.


Some good news - the fuel pressure was very stable under the engine driven mechanical pump. I am still not fully optimistic since this it an intermittent issue.


More good news - the EchoALT seems to be reporting properly to the EchoUAT.


Now some not so good news - I ran a PAPR report when I got home and the NIC and NACp both failed - this has to do with the GPS integrity. I am using the Grand Rapids GPS 2020 for my source.



GRT has an update for the GPS unit to a newer firmware (Version 4 - GSPCUp4.dat): https://grtavionics.com/safe-fly-gps-software/.


I am thinking I am just going to change the position source to the GTN650xi. It's only one wire to put in and access to the harness isn't too terrible.



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Last Modified: July 28, 2025