By Miriam Raftery

Photo: Runway at Gillespie Field, where the plane departed from on Wednesday

August 26, 2018 (Descanso) — David Alan Derby, 77, of Santee and Ryan Michael Willis, 36, of San Diego were killed in a plane crash near Descanso on Wednesday.  The plane, a single-engine 1682G Champion 7KCAB, was owned by Derby’s company, Three Point Partners Inc.