* * * * * Flag of Germany. Frankfurt Coat of Arms. Frankfurt am Main. Frankfurt in the 1600's. The airport ( Flughafen Frankfurt am Main ) had three unusual runways. The average international runway length, I was discovering throughout the world, was usually 10,000 to 12,000 feet. At Frankfurt all three runways were in excess of 13,000 feet. Perhaps due to the U.S. Air Force Base ( Rhein-Main Air Base ) located on the south side of the field; where the monstrous C-5 Galaxies were loaded with troops and supplies for the wars in the Middle East. Apparently, they needed the extra runway footage when operating at maximum gross weight. USAF C-5 taking off at Frankfurt. On Final Approach at Frankfurt. In winter Frankfurt was also notorious for its ...