The 3M11 Fleyta (flute, NATO reporting name AT-2 Swatter) is a Soviet MCLOS radio command anti-tank missile.

These improvements were achieved by sending commands via a radio link instead of a trailing guidance wire, which allowed the missile to travel faster.

The missile system was shown to Soviet premier Nikita Khrushchev in September 1964, and accepted for service shortly afterwards.

The 3M11 Fleyta was problematic; one Russian source describes the missile as "notable for its complexity and low reliability".

The next development was to integrate SACLOS guidance, resulting in the 9M17P Falanga-P (NATO reporting name AT-2 Swatter-C).