I am little confused, ok i setup dummy folder, instal Tongass, but, do i must add add.xml, edit terrain.cfg and others things from user guide ?
Yes, The 40 Tongass terrain entries still have to be set up into the P3D terrain.cfg (readme in the tongass download and RTMM-once Tongass is done can run the Ai installer.
The complete Tongass and RTMM add-ons- just drop the main extracted folder into your designated documents\prepar3d v5 add-ons folder) and when the sim is started, it will read the xml files and give you option to enable them in your sim.
Don't really need to edit anything except the terrin.cfg (for tongass), run the ai traffic module that Rod built and set up the Orbx central insertion points, then all of it is complete.
(The dummy folder is too ensure that the orbx blocks stay where they are supposed to stay, with 3rd party stuff staying above Orbx airports/region the dummy folder.
Orbx airports/regsion placed below "the dummy scenery folder". (If the insertion points are not set up things get a bit buried by Orbx stuff). All the important stuff is in the add-on install folder.
I see your 1st pirep. Nice work Igor. Welcome back!
(Land on water can be tricky.. but you'll get back into having soft hands on that stick!!) Takes practice!
Norm