Honda Aircraft is already iterating on the HondaJet HA-420 with the 2600 concept, designed for transcontinental routes. Outwardly similar with the HA-420's patented over-the-wing engines and general shape, the 2600 has a range of just over 3,000 miles and a larger cabin — all with better fuel efficiency than current light and medium jets on the market.. The cabin features a modular design, with seating for up to 11 passengers. The flight deck will have the latest in avionics, similar to the HA-420's Garmin 3000 instrumentation. Currently in the concept stage, Honda Aircraft plans to begin market studies before going ahead with production.