Investigators say a plane crash in San Diego that likely killed six people happened as the private plane approached an airport whose runway lights were out in heavy fog.

Sound Talent Group co-founder and agent Dave Shapiro died in a plane crash in San Diego, Calif. on Thursday morning, per the National Independent Talent Organization (NITO). A founding member of NITO,

Tributes were pouring in across social media Thursday for music agent Dave Shapiro and drummer Daniel Williams, who were both believed to be involved in the deadly plane crash in a Murphy Canyon neighborhood.