- Mark tires of parked vehicles with chalk and record time of marking, and return at regular intervals to ensure that parking time limits are not exceeded.
Occupations with related tasks Save Table: XLSX CSV
- Observe position and progress of vessels to ensure best use of lock spaces or bridge opening spaces.
- Observe approaching vessels to determine size and speed, and listen for whistle signals indicating desire to pass.
- Raise drawbridges and observe passage of water traffic or lower drawbridges and raise automobile gates.
- Maintain and guard stations in bridges to check waterways for boat traffic.
- Control machinery to open and close canal locks and dams, railroad or highway drawbridges, or horizontally or vertically adjustable bridges.
- Direct movements of vessels in locks or bridge areas, using signals, telecommunication equipment, or loudspeakers.
- Record names, types, and destinations of vessels passing through bridge openings or locks, and numbers of trains or vehicles crossing bridges.
- Move levers to activate traffic signals, navigation lights, and alarms.
- Write and submit maintenance work requisitions.
- Log data, such as water levels and weather conditions.
- Prepare accident reports.
- Perform maintenance duties, such as sweeping, painting, and yard work to keep facilities clean and in order.
- Turn valves to increase or decrease water levels in locks.
- Check that bridges are clear of vehicles and pedestrians prior to opening.
- Stop automobile and pedestrian traffic on bridges, and lower automobile gates prior to moving bridges.
- Clean and lubricate equipment, and make minor repairs and adjustments.
- Inspect canal and bridge equipment, and areas, such as roadbeds, for damage or defects, reporting problems to supervisors as necessary.
- Attach ropes or cable lines to bitts on lock decks or wharfs to secure vessels.
- Observe position and progress of vessels to ensure best use of lock spaces or bridge opening spaces.
- Observe approaching vessels to determine size and speed, and listen for whistle signals indicating desire to pass.
- Raise drawbridges and observe passage of water traffic or lower drawbridges and raise automobile gates.
- Maintain and guard stations in bridges to check waterways for boat traffic.
- Monitor or direct the movement of aircraft within an assigned air space or on the ground at airports to minimize delays and maximize safety.
- Monitor aircraft within a specific airspace, using radar, computer equipment, or visual references.
- Check conditions and traffic at different altitudes in response to pilots' requests for altitude changes.
- Inform pilots about nearby planes or potentially hazardous conditions, such as weather, speed and direction of wind, or visibility problems.
- Issue landing and take-off authorizations or instructions.
- Transfer control of departing flights to traffic control centers and accept control of arriving flights.
- Provide flight path changes or directions to emergency landing fields for pilots traveling in bad weather or in emergency situations.
- Alert airport emergency services in cases of emergency or when aircraft are experiencing difficulties.
- Direct pilots to runways when space is available or direct them to maintain a traffic pattern until there is space for them to land.
- Direct ground traffic, including taxiing aircraft, maintenance or baggage vehicles, or airport workers.
- Contact pilots by radio to provide meteorological, navigational, or other information.
- Maintain radio or telephone contact with adjacent control towers, terminal control units, or other area control centers to coordinate aircraft movement.
- Determine the timing or procedures for flight vector changes.
- Initiate or coordinate searches for missing aircraft.
- Provide on-the-job training to new air traffic controllers.
- Relay air traffic information, such as courses, altitudes, or expected arrival times, to control centers.
- Inspect, adjust, or control radio equipment or airport lights.
- Compile information about flights from flight plans, pilot reports, radar, or observations.
- Organize flight plans or traffic management plans to prepare for planes about to enter assigned airspace.
- Review records or reports for clarity and completeness and maintain records or reports, as required under federal law.
- Complete daily activity reports and keep records of messages from aircraft.
- Conduct pre-flight briefings on weather conditions, suggested routes, altitudes, indications of turbulence, or other flight safety information.
- Analyze factors such as weather reports, fuel requirements, or maps to determine air routes.
- Monitor or direct the movement of aircraft within an assigned air space or on the ground at airports to minimize delays and maximize safety.
- Monitor aircraft within a specific airspace, using radar, computer equipment, or visual references.
- Check conditions and traffic at different altitudes in response to pilots' requests for altitude changes.
- Observe positions of cars passing loading spouts, and swing spouts into the correct positions at the appropriate times.
- Monitor product movement to and from storage tanks, coordinating activities with other workers to ensure constant product flow.
- Seal outlet valves on tank cars, barges, and trucks.
- Verify tank car, barge, or truck load numbers to ensure car placement accuracy based on written or verbal instructions.
- Start pumps and adjust valves or cables to regulate the flow of products to vessels, using knowledge of loading procedures.
- Check conditions and weights of vessels to ensure cleanliness and compliance with loading procedures.
- Operate ship loading and unloading equipment, conveyors, hoists, and other specialized material handling equipment such as railroad tank car unloading equipment.
- Record operating data such as products and quantities pumped, gauge readings, and operating times, manually or using computers.
- Operate industrial trucks, tractors, loaders, and other equipment to transport materials to and from transportation vehicles and loading docks, and to store and retrieve materials in warehouses.
- Connect ground cables to carry off static electricity when unloading tanker cars.
- Copy and attach load specifications to loaded tanks.
- Remove and replace tank car dome caps, or direct other workers in their removal and replacement.
- Test samples for specific gravity, using hydrometers, or send samples to laboratories for testing.
- Test vessels for leaks, damage, and defects, and repair or replace defective parts as necessary.
- Unload cars containing liquids by connecting hoses to outlet plugs and pumping compressed air into cars to force liquids into storage tanks.
- Clean interiors of tank cars or tank trucks, using mechanical spray nozzles.
- Lower gauge rods into tanks or read meters to verify contents, temperatures, and volumes of liquid loads.
- Operate conveyors and equipment to transfer grain or other materials from transportation vehicles.
- Perform general warehouse activities, such as opening containers and crates, filling warehouse orders, assisting in taking inventory, and weighing and checking materials.
- Observe positions of cars passing loading spouts, and swing spouts into the correct positions at the appropriate times.
- Monitor product movement to and from storage tanks, coordinating activities with other workers to ensure constant product flow.
- Monitor lights indicating obstructions or other trains ahead and watch for car and truck traffic at crossings to stay alert to potential hazards.
- Operate controls to open and close transit vehicle doors.
- Drive and control rail-guided public transportation, such as subways, elevated trains, and electric-powered streetcars, trams, or trolleys, to transport passengers.
- Report delays, mechanical problems, and emergencies to supervisors or dispatchers, using radios.
- Regulate vehicle speed and the time spent at each stop to maintain schedules.
- Make announcements to passengers, such as notifications of upcoming stops or schedule delays.
- Direct emergency evacuation procedures.
- Complete reports, including shift summaries and incident or accident reports.
- Greet passengers, provide information, and answer questions concerning fares, schedules, transfers, and routings.
- Attend meetings on driver and passenger safety to learn ways in which job performance might be affected.
- Collect fares from passengers, and issue change and transfers.
- Record transactions and coin receptor readings to verify the amount of money collected.
- Monitor lights indicating obstructions or other trains ahead and watch for car and truck traffic at crossings to stay alert to potential hazards.
- Observe yard traffic to determine tracks available to accommodate inbound and outbound traffic.
- Signal engineers to begin train runs, stop trains, or change speed, using telecommunications equipment or hand signals.
- Confer with engineers regarding train routes, timetables, and cargoes, and to discuss alternative routes when there are rail defects or obstructions.
- Receive information regarding train or rail problems from dispatchers or from electronic monitoring devices.
- Receive instructions from dispatchers regarding trains' routes, timetables, and cargoes.
- Direct and instruct workers engaged in yard activities, such as switching tracks, coupling and uncoupling cars, and routing inbound and outbound traffic.
- Operate controls to activate track switches and traffic signals.
- Keep records of the contents and destination of each train car, and make sure that cars are added or removed at proper points on routes.
- Arrange for the removal of defective cars from trains at stations or stops.
- Direct engineers to move cars to fit planned train configurations, combining or separating cars to make up or break up trains.
- Inspect each car periodically during runs.
- Review schedules, switching orders, way bills, and shipping records to obtain cargo loading and unloading information and to plan work.
- Confirm routes and destination information for freight cars.
- Verify accuracy of timekeeping instruments with engineers to ensure trains depart on time.
- Document and prepare reports of accidents, unscheduled stops, or delays.
- Instruct workers to set warning signals in front and at rear of trains during emergency stops.
- Supervise workers in the inspection and maintenance of mechanical equipment to ensure efficient and safe train operation.
- Supervise and coordinate crew activities to transport freight and passengers and to provide boarding, porter, maid, and meal services to passengers.
- Record departure and arrival times, messages, tickets and revenue collected, and passenger accommodations and destinations.
- Inspect freight cars for compliance with sealing procedures, and record car numbers and seal numbers.
- Collect tickets, fares, or passes from passengers.
- Instruct workers to regulate air conditioning, lighting, and heating in passenger cars to ensure passengers' comfort.
- Observe yard traffic to determine tracks available to accommodate inbound and outbound traffic.
- Spot cars for loading and unloading at customer locations.
- Observe and respond to wayside and cab signals, including color light signals, position signals, torpedoes, flags, and hot box detectors.
- Inspect engines before and after use to ensure proper operation.
- Apply and release hand brakes.
- Signal crew members for movement of engines or trains, using lanterns, hand signals, radios, or telephones.
- Confer with conductors and other workers via radiotelephones or computers to exchange switching information.
- Inspect track for defects such as broken rails and switch malfunctions.
- Observe water levels and oil, air, and steam pressure gauges to ensure proper operation of equipment.
- Couple and uncouple air hoses and electrical connections between cars.
- Drive engines within railroad yards or other establishments to couple, uncouple, or switch railroad cars.
- Inspect the condition of stationary trains, rolling stock, and equipment.
- Read switching instructions and daily car schedules to determine work to be performed, or receive orders from yard conductors.
- Receive, relay, and act upon instructions and inquiries from train operations and customer service center personnel.
- Operate track switches, derails, automatic switches, and retarders to change routing of train or cars.
- Report arrival and departure times, train delays, work order completion, and time on duty.
- Perform routine repair and maintenance duties.
- Drive locomotives to and from various stations in roundhouses to have locomotives cleaned, serviced, repaired, or supplied.
- Pull knuckles to open them for coupling.
- Provide assistance in aligning drawbars, using available equipment to lift, pull, or push on the drawbars.
- Ride on moving cars by holding onto grab irons and standing on ladder steps.
- Operate switching diesel engines to switch railroad cars, using remote controls.
- Record numbers of cars available, numbers of cars sent to repair stations, and types of service needed.
- Operate and control dinkey engines to transport and shunt cars at industrial or mine sites.
- Operate flatcars equipped with derricks or railcars to transport personnel or equipment.
- Provide assistance in the installation or repair of rails and ties.
- Spot cars for loading and unloading at customer locations.
- Monitor the arrival, parking, refueling, loading, and departure of all aircraft.
- Inspect airfield conditions to ensure compliance with federal regulatory requirements.
- Implement airfield safety procedures to ensure a safe operating environment for personnel and aircraft operation.
- Conduct inspections of the airport property and perimeter to maintain controlled access to airfields.
- Assist in responding to aircraft and medical emergencies.
- Initiate or conduct airport-wide coordination of snow removal on runways and taxiways.
- Manage wildlife on and around airport grounds.
- Coordinate communications between air traffic control and maintenance personnel.
- Perform and supervise airfield management activities, including mobile airfield management functions.
- Plan and coordinate airfield construction.
- Train operations staff.
- Coordinate with agencies, such as air traffic control, civil engineers, or command posts, to ensure support of airfield management activities.
- Relay departure, arrival, delay, aircraft and airfield status, and other pertinent information to upline controlling agencies.
- Provide aircrews with information and services needed for airfield management and flight planning.
- Coordinate with agencies to meet aircrew requirements for billeting, messing, refueling, ground transportation, and transient aircraft maintenance.
- Use airfield landing and navigational aids and digital data terminal communications equipment to perform duties.
- Receive, transmit, and control message traffic.
- Maintain air-to-ground and point-to-point radio contact with aircraft commanders.
- Procure, produce, and provide information on the safe operation of aircraft, such as flight planning publications, operations publications, charts and maps, or weather information.
- Anticipate aircraft equipment needs for air evacuation and cargo flights.
- Post visual display boards and status boards.
- Receive and post weather information and flight plan data, such as air routes or arrival and departure times.
- Conduct departure and arrival briefings.
- Collaborate with others to plan flight schedules and air crew assignments.
- Maintain flight and event logs, air crew flying records, and flight operations records of incoming and outgoing flights.
- Coordinate changes to flight itineraries with appropriate Air Traffic Control (ATC) agencies.
- Check military flight plans with civilian agencies.
- Monitor the arrival, parking, refueling, loading, and departure of all aircraft.
