<font face="Verdana, Arial, Helvetica" size="2">Originally posted by ROADRUNNER:
I have a D class ticket on NW to Bkk in Dec. I upgraded it to Business Class with miles. The Desk agent said D class is Business Class, when I asked what it was.</font>
I've flown to BKK in D class on NW as well. Try to get row 4 in the middle section -- it's my favorite.