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An airship, dirigible balloon or dirigible is a type of aerostat (lighter-than-air) aircraft that can navigate through the air flying under its own power. [1] Aerostats use buoyancy from a lifting gas that is less dense than the surrounding air to achieve the lift needed to stay airborne.
Construction of USS Shenandoah, 1923, showing the framework of a rigid airship. A rigid airship is a type of airship (or dirigible) in which the envelope is supported by an internal framework rather than by being kept in shape by the pressure of the lifting gas within the envelope, as in blimps (also called pressure airships) and semi-rigid airships.
A non-rigid airship, commonly called a blimp , is an airship (dirigible) [1] without an internal structural framework or a keel. Unlike semi-rigid and rigid airships (e.g. Zeppelins ), blimps rely on the pressure of their lifting gas (usually helium , rather than flammable hydrogen ) and the strength of the envelope to maintain their shape.
List of airships of the United States Navy identifies the airships of the United States Navy by type, identification, and class. Rigid airships (ZR)
The Hindenburg disaster was an airship accident that occurred on May 6, 1937, in Lakehurst, New Jersey, United States.The LZ 129 Hindenburg (Luftschiff Zeppelin #129; Registration: D-LZ 129) was a German commercial passenger-carrying rigid airship, the lead ship of the Hindenburg class, the longest class of flying machine and the largest airship by envelope volume. [1]
The USS Los Angeles, a United States Navy airship built in Germany by the Luftschiffbau Zeppelin (Zeppelin Airship Company) . A Zeppelin is a type of rigid airship named after the German inventor Ferdinand von Zeppelin (German pronunciation: [ˈt͡sɛpəliːn] ⓘ) who pioneered rigid airship development at the beginning of the 20th century.
The airship’s onboard cameras and other sensors offer a low altitude form of aerial surveillance (or deterrence) – useful in anti-poaching operations. It can also be used for search and ...
Nowadays a "balloon" is an unpowered aerostat and an "airship" is a powered one. A powered, steerable aerostat is called a dirigible. Sometimes this term is applied only to non-rigid balloons, and sometimes dirigible balloon is regarded as the definition of an airship