Helicopter Bell 407 Serial 53297 Register N97SP used by DSP (Delaware State Police). Built 1999. Aircraft history and location Aircraft History For N97SP see also 1985 206l-3 51157 2000 407 53407 2016 407gxp 54701 N97SP State of Delaware 1999-08-17 A KGED accident Delaware State Police DSP Apr/Aug 1999 w/o 17aug99 at Georgetown, DE canc Jan00 DSP Send Updates Use APP to upload photo @ (optional) When Now? / / Send