CASA GRANDE, Ariz. -- Authorities have released the names of two men killed in the crash of a private plane at Casa Grande Municipal Airport in southern Arizona.
The twin-engine Beechcraft Air King went down Wednesday morning as it was landing and burst into flames north of a runway.
The Pinal County Medical Examiner's Office officially identified the victims Friday as Stephen J. Stafford, 51, of Green Valley and Del V. Steinbronn, 65, of Tucson.
Authorities said Stafford was a certified flight instructor while Steinbronn was a retired private practice urologist. They said both men had many years of flight experience and died from injuries suffered during the crash's impact.
The small plane was registered to a Tucson company.
The crash is being investigated by the Federal Aviation Administration and National Transportation Safety Board.