Airborne Research Twin Otter International, a DOE and NASA approved operator, provides aerial survey, surveillance and airborne research aircraft as well as engineering and technical support to the Science Community. Vistaliner DHC-6-300 Twin Otter International buys Twin Otters, converts them to "Vistaliners" and leases them with full parts and technical support to airlines and tour operators throughout the world. Click to Enlarge Vistaliner Aircraft Research Services Research Aircraft Executive Office: 2806 Perimiter Road North Las Vegas, NV 89032 Telephone: (702) 646-8837 Fax: (702) 646-1493 Email: scott@twinotter.com