Aviation inspectors

2025-09-12T14:18:23-06:00

Inspect aircraft, maintenance procedures, air navigational aids, air traffic controls, and communications equipment to ensure conformance with federal safety regulations.

Ship engineers

2025-09-12T13:55:32-06:00

Supervise and coordinate activities of crew engaged in operating and maintaining engines, boilers, deck machinery, and electrical, sanitary, and refrigeration equipment aboard ship.

Pilots, ship

2025-09-12T13:53:10-06:00

Steer ships into and out of harbors, estuaries, straits, or sounds, or on rivers, lakes, or bays. They must be licensed by the coast guard with limitations indicating class and tonnage of vessels for which license is valid and route and waters that may be piloted.

Sailors and marine oilers

2025-09-12T13:49:34-06:00

Stand watch to look for obstructions in path of vessel, measure water depth, turn wheel on bridge, or use emergency equipment as directed. They break out, rig, overhaul, and store cargo handling gear, stationary rigging, and running gear. They perform maintenance tasks to preserve the painted surface of the ship and to maintain line and ship equipment.

Locomotive firers

2025-09-12T13:39:27-06:00

Monitor locomotive instruments and watch for dragging equipment, obstacles on rights of way, and train signals during run. They watch for and relay traffic signals from yard workers to yard engineer in railroad yard.