单项选择题
A.Normal boom stowage and shutdown operations
B.Emergency shutdown operation
C.Removing booms from stowage
D.All of the above
单项选择题 Where must the 0mster or person in charge of a ship record the date of each test of emergency lighting and power systems and the condition and performance of the equipment?（）
单项选择题 When will the float-free emergency position indicating radio beacon be activated after abandoning ship?（）
单项选择题 When should the emergency position-indicating radio beacon be activated after abandoning an OSV?（）