LOUISBURG, N.C. — The manager of a North Carolina airport has died from injuries he suffered in a weekend plane crash.

Franklin County Clerk Kristen King said Monday that Steven Merritt of Cary has died from his injuries.

The plane Merritt was flying Saturday afternoon crashed into a field east of Louisburg. Investigators said there was a small fire on the plane after the crash but it was extinguished by fire crews.

Merritt had been manger of the county-owned Triangle North Executive Airport outside Louisburg since 2010. He was the only person on the Cessna 150C.

The National Transportation Safety Board is investigating the cause of the crash.