Latitude Air Ambulance. The company confirmed that the missing plane is among its fleet. The Coast Guard's response includes crews from Air Station Cape Cod, a 47-foot motor lifeboat crew from Station Brant Point and the USCGC William Sparling -- a fast response cutter. The search is about 13 nautical miles off the coast and extends from about 30 nautical miles wide and 20 nautical miles long, according to the Coast Guard.