General Discussion

that this was all due to the power and propulsion turning off...
"They were already really too close. The unfortunate thing is they veered to the right," Perry said. "If they would have been in the channel with the rudder straight ahead, they would have continued drifting straight ahead and gone under the bridge."

I heard an engineer speak soon after it happened and he explained what he saw on the video and what is "normal" and if the ship went into reverse in an attempt to slow it down that could have made the ship go off a course a tiny bit instead of going straight. If they kept cruising it would have missed the bridge.