http://forum.gcaptain.com/t/uss-fitzgerald-collides-with-acx-crystal-off-coast-of-japan/45129/46
Collision was at approx 2:30 a.m. = 17:30 UTC. (Tokyo is +9 hrs UTC)
The first course correction to starboard was at 16:30 (1:30 am local)
The initial U turn was complete by 17:10 UTC.
There was a second turn to port at 17:38 UTC when traveling at 9.9 knots.
Collision occurs during this time period.
The next AIS reading is at 17:52 with ship headed East (90 degree) at <4 knot, then it turns north....loitering slowly... and then resumes course to the east at approx 19:00 UTC back at full speed.
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Seems deliberate to me. Sort of reminds me of the Amagiri splitting PT-109 in half.