DC-9 References DC-9 aircraft Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Boeing Company/ McDonnell Douglas Corporation…Douglas first flew its twin-engine DC-9 short-haul commercial jetliner, which became the company’s most successful transport since the DC-3. Read More…Douglas first flew its twin-engine DC-9 short-haul commercial jetliner, which became the company’s most successful transport since the DC-3. Read More