Aircraft
An aircraft was a type of air vehicle designed for flight within an atmosphere. They were in common usage on the planet Earth during the 20th century. 

After being flung back to 1969, the  registered as some sort of aircraft on an Omaha United States Air Force base's RADAR, and was pursued as an unidentified flying object by one of their own aircraft (an F-104 Starfighter). ()

Military aircraft commonly patrolled the skies on a number of planets in the 22nd century, including the Coridan aircraft, Gosis' species aircraft and the Vulcan patrol craft. ()

Types of aircraft 
Lighter than air
 Balloon
 Dirigible

Heavier than air
 Airplane
 Helicopter
 Jet

See also 
 Aircraft carrier
 Air tram
 Hovercar (hovercraft)
 Military aircraft
 Orbital glider
 Spacecraft
 V-2 rocket

External link
 

Lists
Vehicles