A 66-year-old man died Saturday when the glider he was piloting crashed along a treeline not far from a runway at Herlong Airport, police said.

A 28-year Navy veteran, Arron Sterling, and Louis Pasderetz died in a plane crash on Jacksonville’s Westside one day after Christmas. The plane crashed as they were flying back to Herlong Recreational Airport.

Investigators with the National Transportation Safety Board on Monday collected items from the site of a deadly small plane crash at an airport on Jacksonville’s Westside and are working to determine what caused the crash.