I just Dave's but here is what it says.
CNO HIN Decoder
Our HULL ID Decoder breaks down the Hull identification number into the following information:
The HIN or CIN you have entered meets the Current-Format HIN format. It might also be a type that contains the country code and thus the boat comes from USA or Other . The serial number of the HIN is 06174 and is set by the boat builder. This boat or vessel has a Certification Date of (6) and a Model Year of 1987 with month of build (July) based on the formatting of your hull_identification_number (HIN) .
The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is CNO. This MIC (CNO) stands for the company name Glastron-conroy Indust which is currently Out of Business. This boat manufacturer has other company names (CNO sometimes goes by these name(s) Conroy Industries, , , or .
This company (Glastron-conroy Indust) is owned by David Mosley and is located at 3150 I-H 35 W in NEW BRAUNFELS state of TX. It manufactured this vessel and placed your HIN or CIN on the hull. The Parent Company for this boat maker is GENMAR HOLDINGS INC (). Glastron-conroy Indust has started making boats, yachts and other watercraft as of 8/20/1982 12:00:00 AM and went out of business on (4/28/2005 12:00:00 AM) in the following country: .
Make sure to compare the date of boat manufacturing with the dates in which the company was actually in business.
The US Coast guard provides this comment about this watercraft manufacturer: All Glastron Boats Will Use 'gla' After 8/88shown Oob 880902-mso Corpus Christi Reports Active-891215 Oob Per Ppg 4/28/2005..
Here his the link if you want to check others.
https://www.hindecoder.com/