- Industry: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
An interval of audible vibrations spanning eight full tones above or below another. A tone, in this regard, is a sound with a distinct pitch.
Industry:Aviation
An ionized layer of the atmosphere existing at an altitude of between 60 and 75 miles (100 to 120 kilometers) above the earth. Radio waves bounce off the E-layer. The effect of the E layer is most noticeable in the daytime, and to a lesser degree at night.
Industry:Aviation
An iron-core inductor installed in series with the output of a DC power supply. The filter choke impedes, or opposes, any ripples or portions of alternating current that are superimposed on the DC output.
Industry:Aviation
An irregular imaginary line across the surface of the earth along which the magnetic and geographic poles are in alignment and along which there is no variation error.
The term agonic comes from the two Greek words “a,” meaning no, and “gonic,” meaning angle.
Industry:Aviation
An isolation valve at the discharge side of the air turbine that prevents the loss of cabin pressurization through a disengaged cabin air compressor.
Industry:Aviation
An isotope of an element that does not undergo radioactive disintegration. An unstable isotope, or radioisotope, emits radioactive energy as it decays.
Industry:Aviation
An isotope of hydrogen which has one proton and one neutron in the nucleus. A normal atom of hydrogen has one proton, but no neutrons in its nucleus.
Industry:Aviation
An isotope of hydrogen with an atomic weight of three. The nucleus of an isotope of tritium has two neutrons as well as the proton. A normal atom of hydrogen has only one proton and no neutrons in its nucleus.
Industry:Aviation
An item installed on an aircraft that must be replaced when it has been in service for a specified number of hours.
Industry:Aviation
An L/MF or UHF radio beacon transmitting nondirectional signals with which the pilot of an aircraft equipped with direction finding equipment can determine his bearing to or from the radio beacon and home on or track to or from the station. When a radio beacon is installed in conjunction with an instrument landing system marker, it is normally called a compass locator.
Industry:Aviation
