# Sailors and Marine Oilers > Stand watch to look for obstructions in path of vessel, measure water depth, turn wheel on bridge, or use emergency equipment as directed by captain, mate, or pilot. Break out, rig, overhaul, and store cargo-handling gear, stationary rigging, and running gear. Perform a variety of maintenance tasks to preserve the painted surface of the ship and to maintain line and ship equipment. Must hold government-issued certification and tankerman certification when working aboard liquid-carrying vessels. Includes able seamen and ordinary seamen. - Code: 53-5011.00 (O*NET-SOC; SOC 2018 53-5011) - Family: [Transportation & Material Moving](https://foundation.org.ai/occupations#family-53), one of its 57 occupations - Tasks: 28 tasks (19 core and 9 supplemental) - Page: https://foundation.org.ai/occupations/53-5011.00 - JSON: https://foundation.org.ai/data/tasks/53-5011.00.json ## What the work is made of 1. Tie barges together into tow units for tugboats to handle, inspecting barges periodically during voyages and disconnecting them when destinations are reached. Core task · Task 14482 · Rated by 70 people who do the job, July 2016 2. Attach hoses and operate pumps to transfer substances to and from liquid cargo tanks. Core task · Task 14479 · Rated by 72 people who do the job, July 2016 3. Handle lines to moor vessels to wharfs, to tie up vessels to other vessels, or to rig towing lines. Core task · Task 14461 · Rated by 70 people who do the job, July 2016 4. Read pressure and temperature gauges or displays and record data in engineering logs. Core task · Task 14475 · Rated by 70 people who do the job, July 2016 5. Stand watch in ships' bows or bridge wings to look for obstructions in a ship's path or to locate navigational aids, such as buoys or lighthouses. Core task · Task 14462 · Rated by 71 people who do the job, July 2016 6. Maintain government-issued certifications, as required. Core task · Task 14457 · Rated by 70 people who do the job, July 2016 7. Examine machinery to verify specified pressures or lubricant flows. Core task · Task 14476 · Rated by 69 people who do the job, July 2016 8. Maintain a ship's engines under the direction of the ship's engineering officers. Core task · Task 14480 · Rated by 70 people who do the job, July 2016 9. Break out, rig, and stow cargo-handling gear, stationary rigging, or running gear. Core task · Task 14468 · Rated by 71 people who do the job, July 2016 10. Lubricate machinery, equipment, or engine parts, such as gears, shafts, or bearings. Core task · Task 14467 · Rated by 69 people who do the job, July 2016 11. Lower and man lifeboats when emergencies occur. Core task · Task 14458 · Rated by 70 people who do the job, July 2016 12. Sweep, mop, and wash down decks to remove oil, dirt, and debris, using brooms, mops, brushes, and hoses. Core task · Task 14472 · Rated by 73 people who do the job, July 2016 13. Splice and repair ropes, wire cables, or cordage, using marlinespikes, wire cutters, twine, and hand tools. Core task · Task 14469 · Rated by 72 people who do the job, July 2016 14. Load or unload materials, vehicles, or passengers from vessels. Core task · Task 20934 · Rated by 69 people who do the job, July 2016 15. Chip and clean rust spots on decks, superstructures, or sides of ships, using wire brushes and hand or air chipping machines. Core task · Task 14473 · Rated by 72 people who do the job, July 2016 16. Provide engineers with assistance in repairing or adjusting machinery. Core task · Task 14470 · Rated by 70 people who do the job, July 2016 17. Operate, maintain, or repair ship equipment, such as winches, cranes, derricks, or weapons system. Core task · Task 14465 · Rated by 70 people who do the job, July 2016 18. Paint or varnish decks, superstructures, lifeboats, or sides of ships. Core task · Task 14471 · Rated by 71 people who do the job, July 2016 19. Give directions to crew members engaged in cleaning wheelhouses or quarterdecks. Core task · Task 14474 · Rated by 70 people who do the job, July 2016 20. Stand by wheels when ships are on automatic pilot, and verify accuracy of courses, using magnetic compasses. Supplemental task · Task 14459 · Rated by 70 people who do the job, July 2016 21. Steer ships under the direction of commanders or navigating officers or direct helmsmen to steer, following designated courses. Supplemental task · Task 14460 · Rated by 72 people who do the job, July 2016 22. Relay specified signals to other ships, using visual signaling devices, such as blinker lights or semaphores. Supplemental task · Task 14481 · Rated by 71 people who do the job, July 2016 23. Overhaul lifeboats or lifeboat gear and lower or raise lifeboats with winches or falls. Supplemental task · Task 14464 · Rated by 69 people who do the job, July 2016 24. Stand gangway watches to prevent unauthorized persons from boarding ships while in port. Supplemental task · Task 14463 · Rated by 69 people who do the job, July 2016 25. Record data in ships' logs, such as weather conditions or distances traveled. Supplemental task · Task 20935 · Rated by 70 people who do the job, July 2016 26. Measure depth of water in shallow or unfamiliar waters, using leadlines, and telephone or shout depth information to vessel bridges. Supplemental task · Task 14477 · Rated by 70 people who do the job, July 2016 27. Clean and polish wood trim, brass, or other metal parts. Supplemental task · Task 14484 · Rated by 72 people who do the job, July 2016 28. Participate in shore patrols. Supplemental task · Task 14483 · Rated by 70 people who do the job, July 2016 ## More in Transportation & Material Moving - [Air Traffic Controllers](https://foundation.org.ai/occupations/53-2021.00): 23 tasks - [Aircraft Cargo Handling Supervisors](https://foundation.org.ai/occupations/53-1041.00): 6 tasks - [Aircraft Service Attendants](https://foundation.org.ai/occupations/53-6032.00): 18 tasks - [Airfield Operations Specialists](https://foundation.org.ai/occupations/53-2022.00): 27 tasks - [Airline Pilots, Copilots, and Flight Engineers](https://foundation.org.ai/occupations/53-2011.00): 24 tasks - [Ambulance Drivers and Attendants, Except Emergency Medical Technicians](https://foundation.org.ai/occupations/53-3011.00): 11 tasks - [Automotive and Watercraft Service Attendants](https://foundation.org.ai/occupations/53-6031.00): 14 tasks - [Aviation Inspectors](https://foundation.org.ai/occupations/53-6051.01): 13 tasks - [Bridge and Lock Tenders](https://foundation.org.ai/occupations/53-6011.00): 18 tasks - [Bus Drivers, School](https://foundation.org.ai/occupations/53-3051.00): 17 tasks - [Bus Drivers, Transit and Intercity](https://foundation.org.ai/occupations/53-3052.00): 14 tasks - [Captains, Mates, and Pilots of Water Vessels](https://foundation.org.ai/occupations/53-5021.00): 30 tasks - [Cleaners of Vehicles and Equipment](https://foundation.org.ai/occupations/53-7061.00): 20 tasks - [Commercial Pilots](https://foundation.org.ai/occupations/53-2012.00): 24 tasks - [Conveyor Operators and Tenders](https://foundation.org.ai/occupations/53-7011.00): 20 tasks - [Crane and Tower Operators](https://foundation.org.ai/occupations/53-7021.00): 11 tasks - [Dredge Operators](https://foundation.org.ai/occupations/53-7031.00): 6 tasks - [Driver/Sales Workers](https://foundation.org.ai/occupations/53-3031.00): 11 tasks - [First-Line Supervisors of Helpers, Laborers, and Material Movers, Hand](https://foundation.org.ai/occupations/53-1042.00): 24 tasks - [First-Line Supervisors of Material-Moving Machine and Vehicle Operators](https://foundation.org.ai/occupations/53-1043.00): 22 tasks - [First-Line Supervisors of Passenger Attendants](https://foundation.org.ai/occupations/53-1044.00): 19 tasks - [First-Line Supervisors of Transportation Workers, All Other](https://foundation.org.ai/occupations/53-1049.00): no tasks listed - [Flight Attendants](https://foundation.org.ai/occupations/53-2031.00): 25 tasks - [Gas Compressor and Gas Pumping Station Operators](https://foundation.org.ai/occupations/53-7071.00): 13 tasks - [Heavy and Tractor-Trailer Truck Drivers](https://foundation.org.ai/occupations/53-3032.00): 29 tasks - [Hoist and Winch Operators](https://foundation.org.ai/occupations/53-7041.00): 13 tasks - [Industrial Truck and Tractor Operators](https://foundation.org.ai/occupations/53-7051.00): 9 tasks - [Laborers and Freight, Stock, and Material Movers, Hand](https://foundation.org.ai/occupations/53-7062.00): 13 tasks - [Light Truck Drivers](https://foundation.org.ai/occupations/53-3033.00): 13 tasks - [Locomotive Engineers](https://foundation.org.ai/occupations/53-4011.00): 14 tasks - [Machine Feeders and Offbearers](https://foundation.org.ai/occupations/53-7063.00): 13 tasks - [Material Moving Workers, All Other](https://foundation.org.ai/occupations/53-7199.00): no tasks listed - [Motor Vehicle Operators, All Other](https://foundation.org.ai/occupations/53-3099.00): no tasks listed - [Motorboat Operators](https://foundation.org.ai/occupations/53-5022.00): 16 tasks - [Packers and Packagers, Hand](https://foundation.org.ai/occupations/53-7064.00): 12 tasks - [Parking Attendants](https://foundation.org.ai/occupations/53-6021.00): 15 tasks - [Passenger Attendants](https://foundation.org.ai/occupations/53-6061.00): 12 tasks - [Pump Operators, Except Wellhead Pumpers](https://foundation.org.ai/occupations/53-7072.00): 14 tasks - [Rail Transportation Workers, All Other](https://foundation.org.ai/occupations/53-4099.00): no tasks listed - [Rail Yard Engineers, Dinkey Operators, and Hostlers](https://foundation.org.ai/occupations/53-4013.00): 23 tasks - [Railroad Brake, Signal, and Switch Operators and Locomotive Firers](https://foundation.org.ai/occupations/53-4022.00): 26 tasks - [Railroad Conductors and Yardmasters](https://foundation.org.ai/occupations/53-4031.00): 20 tasks - [Recycling and Reclamation Workers](https://foundation.org.ai/occupations/53-7062.04): 14 tasks - [Recycling Coordinators](https://foundation.org.ai/occupations/53-1042.01): 23 tasks - [Refuse and Recyclable Material Collectors](https://foundation.org.ai/occupations/53-7081.00): 14 tasks - [Ship Engineers](https://foundation.org.ai/occupations/53-5031.00): 17 tasks - [Shuttle Drivers and Chauffeurs](https://foundation.org.ai/occupations/53-3053.00): 26 tasks - [Stockers and Order Fillers](https://foundation.org.ai/occupations/53-7065.00): 30 tasks - [Subway and Streetcar Operators](https://foundation.org.ai/occupations/53-4041.00): 10 tasks - [Tank Car, Truck, and Ship Loaders](https://foundation.org.ai/occupations/53-7121.00): 19 tasks - [Taxi Drivers](https://foundation.org.ai/occupations/53-3054.00): 16 tasks - [Traffic Technicians](https://foundation.org.ai/occupations/53-6041.00): 23 tasks - [Transportation Inspectors](https://foundation.org.ai/occupations/53-6051.00): 17 tasks - [Transportation Vehicle, Equipment and Systems Inspectors, Except Aviation](https://foundation.org.ai/occupations/53-6051.07): 14 tasks - [Transportation Workers, All Other](https://foundation.org.ai/occupations/53-6099.00): no tasks listed - [Wellhead Pumpers](https://foundation.org.ai/occupations/53-7073.00): 14 tasks ## Where this comes from Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. Nothing on this page is written by the Org.AI Foundation.