"Blundering the tow" does not begin to describe the gross incompetence reflected by Edison Chouest's record in Alaska.  Chouest built the Aiviq specifically to tow the Shell drill rig Kulluk.  They lost power on the way north.  They lost power on the way south.  They had no surge gear on the tow line resulting in 38 separate overload alarms, a broken shackle and the Kulluk on the rocks.  They endangered their crew.  They endangered the crew of the much smaller Crowley boat, Alert.  They endangered the USCG cutter crew.  It took heroic effort by  USCG air crews to save the lives of the Kulluk crew.   The official inquiry showed incompetence and systemic failure at all levels.  Good link of a dark and stormy night in the Bering Straight aboard the Aiviq.   https://www.youtube.com/watch?v=J2vEuMl0vCo. And they failed to raise the fuel vents. Gross incompetence. Shell got exactly what they paid for: the cheapest sub-contractor they could find.  Now Alyeska wants them in PWS.