Cessna 150
Flight Crew Private
Flight Crew Last 90 Days 90; Flight Crew Total 300; Flight Crew Type 130
Aircraft Equipment Problem Critical
Flight Crew Landed in Emergency Condition; Flight Crew Inflight Shutdown
Aircraft
I experienced [an] engine malfunction shortly after takeoff; after the 2nd turn [in the pattern I experienced] shaking of the aircraft [and] loss of power. [Advised ATC]. Cause of engine failure unknown. Fuel [was] 3/4 [full]. Landed safely without any damage or injuries.
C150 pilot reported executing a successful forced landing at the departure airport after loss of engine power on downwind.