Runway lights and an automated system that provides weather conditions were out of operation at Montgomery-Gibbs Executive Airport before a Cessna crashed into a San Diego neighborhood amid foggy conditions, killing all its passengers, investigators revealed Friday.

Everyone on board, including music executive Dave Shapiro, was killed when the private plane crashed in a San Diego neighborhood, setting homes and cars alight.

The weather alert system and runway lights weren’t working at a foggy San Diego airport where a private jet was planning to land before it crashed into a neighborhood, NTSB officials said Friday, adding that they haven’t yet determined the cause of the crash.