Let’s say you are a bridge officer on a 12,000 TEU container vessel in the Kill Van Kull Channel (upper NYC bay area), heading west towards the Bayonne Bridge with a pilot on board. It is a cloudless sunny day. As you pass Constable Hook Reach, you feel the ship veer hard to port and your speed appears to increase. Although the bridge instruments show your expected speed, location, and rudder position, the rudder is, in fact, hard over to port and your speed has increased to 12 knots. The pil
