MPOGACIR BCal was evaluating both the McDonnell Douglas MD-80 narrowbody as well as the Airbus A310 and Boeing 767 widebodies as suitable long-term replacements for its existing narrow-bodied aircraft on these routes. It also enabled the airline to replace the Boeing 707s, with which it had inaugurated another new route to St. Louis in April of that year, with its newly delivered DC-10 widebodies at the end of October when St. Louis became a stop on the new Dallas/Fort Worth route. Routes to San Juan, Puerto Rico's Isla Verde International Airport, and Dallas/Fort Worth followed on 26 October. These planes enabled the launch of new routes - to Atlanta on 1 June, and to Hong Kong on 1 August, though in the latter Cathay Pacific and Laker Airways were also permitted without restriction on frequency or fares.|The Dirty Truth on Slot Dog