TC 4-15.51 — Marine Crewman's Handbook
TC 4-15.51 governs watercraft operations, shipboard life, boat handling, communications, emergencies, seamanship, and deck maintenance.
- Publication number: TC 4-15.51
- Title: MARINE CREWMAN'S HANDBOOK
- Date: 12/17/2018
- Proponent: T2COM
- Status: ACTIVE
View TC 4-15.51 on armypubs.army.mil
It contains material on vessel terms, charts and publications, marine qualification, shipboard customs, watches, sanitation, and potable water procedures. It requires specific controls for potable water hoses, vessel handling, distress communications, wire rope, and shipboard safety.
Topics covered
- Marine qualification
- Shipboard customs and courtesies
- Potable water procedures
- Standard steering commands
- Distress communications
- Marine emergencies
- Wire rope maintenance
- Deck maintenance
Questions and answers
How must potable water hoses be labeled and stored?
Hoses will be stored in a vermin-proof, closed locker specifically designated for potable water hose storage. (paragraph 2-45)
What factors must be considered when handling a vessel?
Wind, current (waves or sea), and depth of water must be considered when handling a vessel. (paragraph 4-10)
What is the minimum recommended sheave or drum diameter for wire rope?
The minimum recommended sheave and drum diameter is 20 times the diameter of the rope. (paragraph 8-63)
Which frequencies are most widely used for marine distress signals?
The most widely used emergency frequencies are 2182 kHz and 156.8 MHz on the marine radio (channel 16). (paragraph 6-38)
How long must the shore supply be flushed before connecting the potable water hose?
Open the valve on the shore supply and flush for 15 to 30 seconds to remove any debris which may be present in the piping. (paragraph 2-46)