airplane creator program

im gonna make a plane and i want to know wht is the easiest program to use that is for free and is fast and easy to use
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=13&t=34615
dude thnks ill ask him im gonna try to make a E6A Mercury a recon plane from the old b707 airframe that can actually do recon with the sensors on it and then maybe a C130 or a B52 with dropping bombs like a nuke lol. b767 with maybe a new view like if u ever been on a plane right on the engine were u can see the reversers ill put that OR ill make a runstand that just shows a panel and the engine first a Westinghouse J34 cause i have a relative with it
But remember thats a MAYBE
after a year or so, I recruit Alejandro to help .. (he works fast)
thank you wht plane did u say is good i want to see it ill try to make a model of a jet engine and wht ever i want to do anyone can help me