So a gallon of salt water weighs 8.556 lbs.A pint's a pound, the world around.. That's a common expression. A pint is 16 fluid ounces and 16 fluid ounces of water weighs approximately 16 dry ounces.
If you ask the real Captain Sully, the answer is that Sully is pretty damn accurate. Based on his book, Highest Duty, Sully stays true to many facts of the real story, particularly as it pertains to the investigation by the National Transportation Safety Board. The level of detail, the granularity of it... All those kinds of things translate pretty well to the screen, and it seems real.
Chesley Burnett Sully Sullenberger III (born January 23, 1951) is a retired American airline captain celebrated for the January 15, 2009 water landing of US Airways Flight 1549 on the Hudson River off Manhattan after the plane was disabled by striking a flock of Canada geese immediately after takeoff; all 155 people aboard survived.