Helicopter Aerospatiale SA365N1 Dauphin 2 Serial 6311 Register N92MD used by MSP (Maryland State Police). Built 1989. Aircraft history and location Aircraft History N92MD State of Maryland 2008-09-27 A KADW accident MSP Maryland State Police /Trooper 2 w/o crash at Walker Mill Regional Park, District Heights on approach to Andrews AFB. 4 fatalities MSP Send Updates Use APP to upload photo @ (optional) When Now? / / Send