NTSB Identification: NYC98LA074. Accident occurred Thursday,
March 05, 1998 in LYNCHBURGH, VA Probable Cause Approval Date:
06/21/2000 Aircraft: Beech A36, registration: N1559X Injuries: 3
Uninjured.   Shortly after takeoff, the pilot heard a loud bang,
felt a thump, and saw the engine cowling deflect upward. He
reduced engine power, and turned towards the departure airport.
After a second loud bang, followed by severe vibration the pilot
shut down the engine, and performed a forced landing to a field.
Examination of the wreckage revealed two holes in the top of the
engine crank case which were over 8 inches in diameter. One of
the engine's number six cylinder connecting rod bolts showed
signs of a catastrophic failure, the other number six connecting
rod bolt was intact and did not contain a nut. Examination of
the number six connecting rod, and connecting rod bolts revealed
severe mechanical impact damage to the threads of the intact
bolt. The broken bolt had three different fracture features. One
was consi