A 40-year-old man was killed when his motorcycle collided with a car Monday morning in Smithtown, police said.

Francis Stanuch of Smithtown was ejected from the 2012 Honda motorcycle during the 8:05 a.m. collision at the intersection of Landing Avenue and Oakside Drive, Suffolk County police said.

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He was transported to St. Catherine of Siena Medical Center in Smithtown, where he was pronounced dead.

Police said Stanuch was northbound on Landing Avenue when Eric Gismervik, driving southbound in a 1990 Ford, attempted to make a left-hand turn onto Oakside Drive.

Gismervik was not charged.

Police said the investigation is continuing and asked anyone with information regarding the crash to call Fourth Squad detectives at 631-854-8452.