You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?

A
Able Seamen are not required in the deck crew.
B
Sailors may stand 6 hours on and 6 hours off.
C
A licensed Chief Engineer is required.
D
All crew members must have Merchant Mariner's Documents.
E