August 21, 20169 yr Does anyone have the "cookbook" steps to get the TBM 850 to track the GPS or FD? I can't seem to get it to work correctly. Thanks!
August 27, 20169 yr The nav mode is set to follow the nav radio rather than the GPS. On your PFD on the bottom row of buttons, click the OBS button and change to GPS. Alternatively, in your flight sim, you can map the NAV/GPS toggle to your 5 key. Bob Donovan - KBOS
August 28, 20169 yr The nav mode is set to follow the nav radio rather than the GPS. On your PFD on the bottom row of buttons, click the OBS button and change to GPS. Alternatively, in your flight sim, you can map the NAV/GPS toggle to your 5 key. Correction - It should be the CDI button that will switch the NAV source to GPS. Bob Donovan - KBOS
February 8, 20197 yr I know this is an old thread, but I wanted to add something for anyone that encounters the same issue I did. Note that I have flown dozens of routes in this aircraft, and this is the first time this has happened to me. During a recent flight from Saint Bart to Barbados, the TMB 850's GPS would NOT follow my route, no matter what I tried. I noticed that, when I would try to use HDG HOLD, the aircraft would fly -120 degrees than my setting. I decided to try using the heading indicator reset hotkey, and suddenly the aircraft started following the correct heading. I switched it back to APR HOLD (with the correct CDI setting showing magenta) and the aircraft began following my route.
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