Double M Helicopters, Inc. Share: Air Transportation Double M Helicopters, Inc. Visit Website 2429 Pirates Loop SE Mandan, ND 58554 (701) 226-6868 About Rep Info Map About Double M Helicopters Inc is the only utility helicopter operator in the region. We conduct all types of aerial survey, power line inspection and maintenance, pipeline route inspections and patrols, e Whom to Contact Monte Myers What's Nearby? Distance: 5 10 15 20 25 50 mi.