On Thursday, April 11, 2019 at 6:46:09 AM UTC+9:30, Charlie M. (UH & 002 owner/pilot) wrote:
Because "W" was not a principal designer? Sounds like newer "AS" ships are more a group effort, thus no 3rd letter for principal designer.....
I never flew a "K".
I have flown a number of (mostly) "W" as well as "K" and "G".

Just saying......;-)

Also, the principal designer has a surname starting with the letter "S" which would mean prefixing the new gliders with ASS

Nick.