Aeronaut jonny model boat kit. jonny is a compact and manouverable vessel for anyone who likes modern tugs. the spacious and strong grp hull has a perfect finish and comes with markings to indicate the location of openings in the hull.. Share this: steamer tugboat saint charles model plans. she was built in 1918 by chantiers de la loire shipyard for french navy under the name “coq” .. This model is the first in bluejacket’s new line of "great american work boats". it is designed for the less experienced builder and is popularly priced..