a small plane was forced to make an emergency landing in london tuesday evening  when the pilot experienced a medical emergency inflight the pilot was able to make a emergency call to ATC before becoming incapacitated leaving his passanger to  land the airplane with out any flight training specific to the plane at all. the ATC was abble to contact the passanger who had some limited flight training but had never flown that specific plane before. sources reported the passanger was realitivly calm durring the whole event and acted cool and professionial. apparently the man had flown other aircraft before but had not flown this particular air craft and was thus unfermilliar with the operation and controlls in the aircraft  the plane circled the runway four times before the passanger was able to land the plain with out any problems  emergency crews decended on the plane and latter released that the pilot of the plane had died from the medical emergency sufferd in flight. London  ATC commended the passanger for remaining calm and landing the airplane safley. there was no reported damage to the airplane.