Eagle Dynamics offers a on their standalone version (not Steam):
Before you rush to download paid mods, spend time mastering the native free aircraft. They are incredibly deep. Dcs World Free Planes Download
A high-fidelity, unarmed training version of the legendary P-51 fighter. Every switch in the cockpit works, making it the perfect platform to practice engine management and takeoffs/landings. Eagle Dynamics offers a on their standalone version
After mastering the Su-25T and TF-51D, you might want more variety. The DCS community has created incredible that install alongside the base game. These are not technically an official "DCS World free planes download" from Eagle Dynamics, but they are legal, safe, and free. but they are legal
These are and do not require any purchase or time limit.