n2o2diver
New Member
I think that was covered here
http://jetcareers.com/ubbthreads/showflat.php?Cat=&Board=UBB1&Number=66512&Forum=All_Forums&Words=call%20signs&Match=Entire%20Phrase&Searchpage=0&Limit=25&Old=allposts&Main=66265&Search=true#Post66512
and here is the link for looking them up.
http://www2.faa.gov/ATPUBS/CNT/3-3.htm
http://jetcareers.com/ubbthreads/showflat.php?Cat=&Board=UBB1&Number=66512&Forum=All_Forums&Words=call%20signs&Match=Entire%20Phrase&Searchpage=0&Limit=25&Old=allposts&Main=66265&Search=true#Post66512
and here is the link for looking them up.
http://www2.faa.gov/ATPUBS/CNT/3-3.htm