HelicoptersPhotosTracking Photos Mesa Police Department State of Arizona McDonnell Douglas MD369E / MD500E N503MP MESAPD Aug95-Nov12; pictured McDonnell Douglas MD369E / MD500E N503MP MESAPD Aug95-Nov12; pictured McDonnell Douglas MD369E / MD500E N504MP Mar-96 MESAPD Mar96-Dec16 , ex N52323; 08jun14 failure engine, no fatalities; pictured McDonnell Douglas MD369E / MD500E N504MP Mar-96 MESAPD Mar96-Dec16 , ex N52323; 08jun14 failure engine, no fatalities; pictured MD Helicopters MD500E N505MP MESAPD from Apr03, pictured; Jan20 still MD Helicopters MD500E N505MP MESAPD from Apr03, pictured; Jan20 still