Article The Maritime Simulation and Resource Centre Delivers Joint Training to Houston Pilots and G&H Towing Tug Masters
by Maritime Simulation Resource Centre (MSRC) - published on 21 October 2019
Video Very descriptive: Piston Effect when entering lock.
Two new locks were introduced in 2009 for training in the new Panama lock conditions with or without tug(s). This video shows the famous "piston effect" when entering the lock at an impressive speed of 10 knots with a high blockage factor.
Port Revel provides shiphandling training using manned models for maritime pilots, masters and officers: http://www.portrevel.com