Windward Performance Perlan II
The Windward Performance Perlan 2 (English: Pearl) is an American mid-wing, two-seats-in-tandem, pressurized, experimental research glider that was designed by Greg Cole and built by Windward Performance for the Perlan Project. The aircraft first flew on 23 September 2015 at Redmond Municipal Airport, Oregon.
Source: Wikipedia — Windward Performance Perlan II (CC BY-SA 4.0)