At 0055hrs on September 10, 2017, Rescue squad 10, Engine 102, Ambulance 308 (Thurmont Community Ambulance Service), Medic 30 (Frederick County Advanced Life Support), EMS901 (Frederick County Advanced Life Support Supervisor) were dispatched for a vehicle accident with reported entrapment in the area of Rt77 and the Cunningham Falls Parking Area. Prior to units arriving on the scene Frederick County ECC received additional information from other callers advising there were 3 vehicles involved with multiple injuries and possibly one dead. With that information ECC dispatched 2 additional ambulances which brought Ambulance 309 and Ambulance 307.
Thurmont Police Department arrived on scene shortly after and advised that they had one patient that was a Priority 4 (dead) and also advised there was no entrapment. Rescue Squad 10 arrived on the scene and advised there was a total of 7 patients and requested an addtional BLS and ALS unit which brought Washington County Medic 792 (Transport unit, Smithsburg EMS) to the scene.
After triaging all patients and consulting with hospitals nearby, it was determined to fly 5 pediatric patients to Johns Hopkins Hospital in Baltimore. With the 5 flyouts that brought in 3 Helicopters from the Maryland State Police Aviation Division; Trooper 3 (Frederick), Trooper 1 (Martin State Airport, Baltimore County), and Trooper 2 (Andrews Air Force Base, Prince Georges County). Units remained on the scene and provided assistance to the Maryland State Police while they investigated and reconstructed the accident. Units cleared and returned to service around 0700hrs.