A recently-installed passenger walkway fell on the wing of a
United Airlines airliner parked at gate B-22 at Denver
International Airport Friday, damaging the Boeing 757 but causing
The jetbridge in question, manufactured by Dewbridge Airport
Systems, is called a "DoubleDocker" -- one that extends over the
wing of an aircraft, providing two-door entry and exit access to
the plane (shown above and below in proper operation.) The portion
that fell was the rear section, which moves over the rear doors of
United spokeswoman Megan McCarthy told the Associated Press the
airliner had just arrived from Boston, and the 184 passengers and
crew onboard the flight from Boston had not yet deplaned.
The cause of the accident, and the extent of the damage
inflicted, has yet to be determined, according to airport spokesman
The Associated Press reports the DoubleDockers installed at
Denver International last year are designed to accommodate the
Airbus A320s flown by United's low-cost Ted subsidiary. According
to the company, however, the DoubleDocker can also handle Embraer
190 aircraft, as well as Boeing 737s and the 757-200 -- the type of
aircraft damaged in Friday's incident.
Other types of aircraft may also use the so-called "Y" gates; in
those cases, the rear portion of the jetway is retracted.