CalSTAR Helicopter Demonstration California Shock Trauma Air Rescue (CalSTAR) will demonstrate the helicopter landing process and deliver a safety briefing on Saturday, December 12 at 2:00 p.m. at Heather Farm Park (northern most fields #5 and #6) in Walnut Creek. During this demonstration you will learn: • How and when air transport is appropriate for trauma and medical patients in the field. • What makes a safe landing zone (LZ). • Safety practices around helicopters. The free demonstration is being sponsored by the City’s Community Emergency Response Team (CERT) and is open to the general public.