(sea) voyage;  navigation;  sailing;  passage;  cruise
 cruise;  navigation;  sailing
 (air or sea) route;  course;  line;  run
 departure (of a boat, plane);  setting sail;  leaving port;  putting out to sea;  takeoff
 difficult voyage;  hard flight;  rough going;  rough passage;  running into trouble
 voyage;  passage;  travelling
 submarine voyage;  underwater navigation
 smuggling (people);  stowing away
 operating (e.g. ships, aircraft)
 Japan Air Self-Defense Force;  JASDF
 arrival of ships (from abroad);  arrival by ship
 submarine;  midget submarine
 Age of Discovery;  Age of Exploration
 cruising range;  flying range
 airline ticket;  plane ticket;  air ticket
 going upstream;  sailing against the current
 chief navigator;  navigating officer;  navigator;  sailing master
 air flotilla;  air fleet;  combat aviation unit of the Imperial Japanese Navy
 first mate;  first officer
 cancellation (of a flight or sea voyage)
 entering service (on a route; of a plane or ship);  going into commission;  being in service
 seamanship;  (the art of) navigation
 passenger;  visitor;  traveler;  traveller
 airmail;  air mail;  air service;  air transport (of goods)
 homeward voyage or flight
 flight dynamics;  aerodynamics;  aeromechanics
 unmanned aerial vehicle (UAV);  drone
 circumnavigation;  circle tour by ship
 foreign voyage;  travelling overseas;  travelling abroad
 interplanetary cruise;  planetary travel
 aerial show;  air show;  airshow
 air flotilla;  air fleet;  combat aviation unit of the Imperial Japanese Navy
 run (of a ship);  sail;  flight
 second mate;  second officer
 air route;  airway;  air lane;  air corridor
 inertial navigation system
 direct voyage;  direct service
 air transportation;  air transport;  transport by air
 third mate;  third officer
 Civil Aeronautics Law;  Aviation Law
 aircraft warning lights;  airplane warning lights;  obstacle light;  obstruction light
 aeronautical radio;  aircraft radio
 foreign route;  ocean route
 duration of a cruise (flight);  endurance
 nautical table;  sailing chart
 travel history;  record of travel;  experience of travel
 Navigation Acts (regulations of colonial trade in 17th century England)
 celestial navigation;  astronavigation;  celonavigation
 crossing an ocean by boat;  sea voyage
 low-cost carrier;  LCC;  low-cost airline
 treaty of commerce and navigation
 round trip (airplane) ticket
 foreign voyage;  outward voyage
 special purpose submarine (esp. Japanese midget submarines used in WWII)
 sailing south;  southbound
 zigzag course (esp. warship)
 sea mark;  seamark;  beacon
 Northwest Passage (sea route along the north coast of Canada)
 the right of innocent passage
 air traffic control tower
 National Aerospace Laboratory;  NAL
 treaty of friendship, commerce and navigation
 holding one's course;  continuing the voyage
 domestic vessel;  coastal vessel
 seagoing vessel;  oceangoing ship
 great circle sailing route
 AATC;  Automatic Air Traffic Control
 tactical air control center (centre)
 battlefield air interdiction
 regulated navigation area;  navigation area;  navigation zone
 Sino-Japanese Treaty of Commerce and Navigation (1896)
 code-sharing (e.g. airlines);  joint operation
 (treaty of) friendship, commerce and navigation
 airplane mode;  aeroplane mode
 Federal Aviation Administration;  FAA
 tactical air control party
 one-way airline ticket;  one-way plane ticket
 aviation insurance;  aerial insurance
 military police brigade (air force)
 Federal Aviation Administration;  FAA
 National Aeronautics and Space Administration;  NASA
 Northeast Passage (sea route along the north coast of Russia)
 right of way (e.g. in sailing)