That requirement (200 mile restriction) did not exist when the change took place. That was about 40 years ago. Al ----- Original Message ----- From: <damiross2@xxxxxxxxxxx> To: <AIRLINE@xxxxxxxxxxxxxxxxx> Sent: Thursday, July 15, 2004 6:41 PM Subject: Re: FSD > There's logic to changing CEL to BKL. It was too close to CLE. Similar identifiers cannot be within 200 miles of each other. > David R > > -------------- Original message -------------- > > > Cause all the logical ones were taken. There is no real logic to the three > > letter assignment. As an example the first 3 letter for Cleveland Burke > > Lakefront was CEL (Cleveland Hopkins was CLE at the time). It was changed > > at a later date to BKL. > > Al > > > > ----- Original Message ----- > > From: "Blaine Thompson" > > To: > > Sent: Thursday, July 15, 2004 2:56 PM > > Subject: FSD > > > > > > > Any idea why FSD (Sioux Falls, South Dakota) has that airport code? > > > > > > My hunch is FSD = Falls South Dakota, but my hunch has been wrong > > > before... > > > > > > Blaine > > > >