14. (1973) Now that you've completed your business in Phoenix, it's time to fly to Miami. You've found a convenient service that operates daily and makes two stops en route. Identify the airline, both stops and the equipment.

Hmm... well then, let's try TWA. We could route PHX-MCI-STL-MIA for starters. If it ain't TWA, there's only one other airline I can think of...

And here's BONUS Quiz Question #4.....

The Greater Southwest International Airport (GSW) serving Fort Worth was closed in 1974 due to its close proximity to the then-new Dallas/Fort Worth International Airport. However, the GSW airport code is still currently in use in north Texas. What entity is using the GSW code at the present time? And here's a hint: this code is not used in conjunction with an active airfield but is instead used to designate an aviation-related facility.

Last I heard, American Airlines was using this airport for pilot training - touch and gos, that kind of stuff