Friends paid tribute to Daniel Williams, a former drummer for the metalcore band The Devil Wears Prada, and Dave Shapiro, a music agent who worked with Sum 41, Hanson and other bands.

Dense fog had rolled into the area around the time the plane was approaching the airport. Visibility was at half a mile at 3:55 a.m. and had dropped to a quarter of a mile just after 4 a.m. in the area around Marine Corps Air Station Miramar, which is just a few miles north of the crash site, according to the National Weather Service.