Microsoft Flight Simulator: How To Get More Planes

Only 20 planes are available in the base game, with the rest only being obtainable through additional content. Here

Microsoft Flight Simulator Planes List: Every Aircraft You Can Fly

Microsoft Flight Simulator getting GOTY Edition with free planes and more

Flight Simulator planes list: Aircraft manufacturers and every Standard, Deluxe and Premium aircraft in Flight Simulator listed

Microsoft Flight Simulator Releases the Highly Versatile Antonov An-2 Aircraft - Xbox Wire

Does Microsoft Flight Simulator Add Free Planes : r/flightsim

Opinion: Microsoft and Asobo Studios Don't Understand Flight Simulators, by Eshka, The Startup

Microsoft's new Flight Simulator makes flying—and turbulence—a lot more realistic

How to Add Airplanes to Flight Simulator X: 5 Steps

Flight Simulator planes list: Aircraft manufacturers and every Standard, Deluxe and Premium aircraft in Flight Simulator listed