CNO is the old Glastron-Carlson MIC prefix, I beleive, After 1988, the MIC prefix went to GLA. The boat was made July 5, 1986 (ie, G586)
'04303' is the sequentially assigned portion of the HIN. I have no idea what the '00000011638BT' if front of the last 6 digits of the HIN is or has to do...