The Learjet 55 standup cabin is the aircraft’s single biggest improvement. 50 percent more cabin volume than its predecessors is enjoyed in the 55.
The dimensions measure 5.7 ft high, 5.9 ft wide and 13.7 ft long. The cabin typically accommodates seven passengers in a club arrangement with a side-facing bench and an additional aft seat.
A high density configuration can seat 7. Also featured are external and internal baggage compartments, a half-width lavatory and a small galley/refreshment center.