Dirigible
A dirigible (or airship) was a ed balloon aircraft which was kept buoyant by a lighter than air body of gas. These were used on Earth up to and during the 20th century.

As a child, Jean-Luc Picard built model airships. ()

In the holosuite program Julian Bashir, Secret Agent, set in the 1960s, Doctor Bashir fell out of a dirigible over Iceland, which made the character Anastasia Komananov believe he was dead. However, he had a parachute with him and found a submarine waiting for him when he landed. ()

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de:Zeppelin
Earth vehicles