Pan Am operated a feeder flight to FRA using this ex-Air Florida machine.  The route didn't last long.  Picture taken in the mid-1980's.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/16149026431/">Pan Am B737-200 at HEL</a>