SkyVenture Builds New 14-foot Model for the First Time Montreal Tunnel Sets Many “Firsts” SkyVenture New Hampshire Trains Instructors and Controllers Through improved design and installation, data shows that this facility is the most efficient tunnel to date. SkyVenture is patented in: United States Canada Austria Australia Belgium Switzerland Germany Denmark Spain Finland France United Kingdom Greece Republic of Ireland Italy Luxembourg Monaco Netherlands Portugal Sweden Isle of Man British Indian Ocean Terr. Korea Mexico Japan