Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Aeronautics

resin

Aviation; Aeronautics

A natural, translucent, solid or semisolid material, produced from the sap of certain trees or plants. Resins are soluble in organic solvents, such as ether, but are not soluble ...

polonium

Aviation; Aeronautics

A naturally radioactive, metallic chemical element produced by bombarding bismuth or lead with neutrons. Polonium’s symbol is Po, its atomic number is 84, and the mass number of ...

plutonium

Aviation; Aeronautics

A naturally radioactive, silvery, metallic chemical element used as a nuclear fuel. Plutonium’s symbol is Pu, its atomic number is 94, and the mass number of its most stable ...

localizer-type directional aid

Aviation; Aeronautics

A navaid used for nonprecision instrument approaches, with utility and accuracy comparable to a localizer but not a part of a complete ILS and not aligned with the runway.

localizer-type directional aid (LDA)

Aviation; Aeronautics

A navaid used for nonprecision instrument approaches, with utility and accuracy comparable to a localizer. An LDA is not a part of a complete ILS and is not aligned with the ...

coastal fix

Aviation; Aeronautics

A navigation aid or intersection where an aircraft transitions between the domestic route structure and the ocean route structure.

aural radio range

Aviation; Aeronautics

A navigation system that directs the pilot with an audible signal. The four-course, low-frequency radio range is an aural radio range. The pilot flies down the center of the ...