Originally Posted by
JSprague24
Is there any special meaning to the "DN" suffix on many of the new deliveries' registration numbers? I know they did DL/DE/DA for many years and some of those may not be able to be reused. I wondered if there were some sort of subtle "Delta/Northwest" reference?
No. "DN" has been a common suffix on Delta for years. They were registering that suffix at least as far back as 1990.
The problem now is that when you want a long sequence of registration numbers, available numbers/letters are getting scarce. Hence the varied suffixes these days.