The model is based on a glassfibre hull with fender strips, hull windows, and port detail moulded into the hull. The main superstructure is a detail glass fibre moulding with ladder recesses part of the moulding, Computer generated plastic for the main deck and superstructure is LASER CUT from 1.5mm HIPs plastic sheet for fast assembly, also included is plastic printed in 6 colours and is used for fine detail and finishing on the superstructure to give quick and crisp assembly. A full set of fittings in cast light alloy and resine give the finishing touch to the model adding the vital clutter that is so much part of this attractive and powerful tug with so much appeal. A full set of waterslide decals for the colour full markings and computer cut cast vinyl name decals. Ffull instructions keyed to a FULL SIZE plan with embedded colour pictures to assist in the construction of the model. Painting instructions are part of the construction notes with tips for using the latest car spray ACRYLIC paint which gives a fast and hard wearing finish.
Yarra is a standard 9oft twin screw berthing tug. She was built by Carrington slipways ltd Tomago N.S.W, Australia and designed by Barnes & Fleck Pty Ltd Naval architects. Between 1972 & 1980 14 of these small powerful berthing tugs were constructed for service on the Australian coast. They specialise in assisting berthing operations of large bulk carriers, hence they are claimed to be the two most powerful engines in the smallest hull. There are many variations in the basic design, some with no drop in the bulwarks, different superstructure as they are modified at the design stage to fit various purposes.