This is a British Aerospace BAe-146. It is a narrow body four engine jet that has a capasity of about 85-100 people depending on the model. It can travel about 1,500 miles at full power. Major customers include United Express, Air Nova (Air Canda Express), Sabena, Swissair, British Airways, Azzurra Air (Alitalia Regional), Ansett Australia, Ansett New Zealand, and Qantas. This photo was taken from Airliners.net and photo credit goes to David Unsworth.