Airliner-based business jets like those from Boeing Business Jets and Airbus Corporate Jets come from the factory as green aircraft. An owner needs to contract with a completions company to outfit a bespoke interior and paint the exterior. One such completions company is AMAC Aerospace, based in Basel, Switzerland. We caught up with Eric Hoegen, the company's Director of Group Sales during the recent NBAA-BACE in Las Vegas. He explains the process of taking a green aircraft or existing aircraft through completions or refurbishment.