- 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 ...
A condition in which two vibrations or changing electrical signals pass through zero at the same time, going in the same direction. To be in phase, both signals or vibrations should reach their positive and negative peak values at the same time.
Industry:Aviation
A condition likely to cause internal damage to an aircraft engine. An engine is said to have a sudden stoppage if it comes to a complete stop within one revolution of the crankshaft.
Industry:Aviation
A condition noted in an ATIS broadcast when the tower has received a runway braking action report of “poor” or “nil.” When a braking action advisory is in effect, ATC will issue the latest braking action report for the runway in use to all arriving and departing pilots.
Industry:Aviation
A condition of a body in which its shape is not the same on both sides of its center line.
Industry:Aviation
A condition of a helicopter rotor in which the blade tips do not follow the same path in their rotation.
Industry:Aviation
A condition of a material that allows it to be broken down into simple products by the action of certain types of microorganisms.
Paper and wood are normally biodegradable. If they are buried, they will, in time, change into simpler chemical compounds. Some man-made materials are not biodegradable, and they will not change. Disposing of large volumes of nonbiodegradable materials can be an environmental problem.
Industry:Aviation
A condition of a mechanical or electrical device in which either of two conditions may exist as a steady state.
Industry:Aviation
A condition of air piracy or other hostile act by a person or persons aboard an aircraft which threatens the safety of the aircraft or its passengers.
Industry:Aviation
A condition of aircraft dope being brushed onto a surface that causes the dope to form a stringy, uneven surface, rather than flowing out smoothly. Dope roping is caused by the dope being too cold when it is brushed on.
Industry:Aviation
A condition of aircraft rigging that prevents hands-off flight. When an aircraft is properly rigged and flown in still air at the correct power setting, it will maintain its altitude and heading without the pilot touching the controls. But, if it is out-of-rig, it will not hold its altitude nor its heading.
Industry:Aviation
