The IK-L1, alias IK-1, in its earliest form, with streamlined wheel spats which were later removed.

The production IK-2

One of the S-49A fighters, more than 100 of which were built in the early 'fifties.

Designed as a close air support fighter, the Il-1 progressed no further than prototype form, the progress of the war having rendered its category superfluous.