- 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 type of aviation gasoline having an octane rating of 100, but containing a maximum of two milliliters of tetraethyl lead per gallon. Normal, or high-lead, 100-octane aviation gasoline is allowed to have as much as 4.6 milliliters of lead per gallon, and this additional lead fouls the spark plugs of engines designed to use fuel with a lower lead content. Low-lead 100-octane aviation gasoline is dyed blue to distinguish it from normal 100-octane aviation gasoline which is dyed green.
Industry:Aviation
A type of aviation maintenance personnel included in the proposed 14 CFR Part 66 Aviation Maintenance Personnel. An Aviation Maintenance Technician (AMT) certificate with an Aircraft rating is proposed to replace the Mechanic certificate with both Airframe and Powerplant ratings.
Another certificate, also proposed under this regulation, is Aviation Maintenance Technician (Transport) (AMT-T). This certification allows the holder to perform certain maintenance and inspection operations on the appropriate air transport aircraft certificated in the United States by the FAA.
Industry:Aviation
A type of balanced-to-unbalanced radio frequency transformer used in aircraft radio installation. A balun is used to connect a balanced two-conductor antenna to an unbalanced transmission line.
Industry:Aviation
A type of bearing used for oscillating loads where complete rotation is not needed. An elastomeric bearing is made of alternate layers of an elastomer, a rubber-like material, and metal, bonded together.
Elastomeric bearings can be designed to take radial loads, axial loads, or torsional loads.
Industry:Aviation
A type of bearing used on a control rod end that functions properly, even though the control rod does not move at right angles to the surface to which it is attached. One of the most commonly used self-aligning bearings is the spherical bearing. The bearing surface has the shape of a sphere with a hole drilled through it. The two sides of the sphere perpendicular to the hole are ground flat so it can be attached to the component to be moved by the control rod.
The control rod end has a socket into which the sphere fits, and the sphere rotates on a film of grease. The rod end can be out of alignment by a few degrees without affecting the operation of the bearing. Self-aligning bearings are used in control rods installed in helicopter rotor systems.
Industry:Aviation
A type of blind rivet with a hollow end, filled with an explosive charge, and sealed with a plastic cap. The rivet is slipped into the prepared hole, and a rivet set containing an electric heater is held against the head of the rivet. The heat ignites the explosive charge, and the end of the rivet swells out, clamping the sheets tightly together.
Industry:Aviation
A type of bolt or screw head that is either slotted or fitted with a recess. A driver head makes it possible to drive the fastener with some form of screwdriver, rather than with a wrench.
Industry:Aviation
A type of brake control used on some early airplanes. A Johnson bar is a long handle located between the pilot’s and copilot’s seats, easily accessible to both.
Pulling straight back on the Johnson bar applies both brakes equally. Pulling the bar back diagonally applies the brake on the side to which the bar is pulled.
Industry:Aviation
A type of brake installed on some aircraft that uses the momentum of the rotating wheel to wedge the brake shoe tightly against the brake drum when the aircraft is moving in a forward direction. A double-servo (duo-servo) brake produces a wedging action between the shoes and the drum, whether the aircraft is moving forward or backward. A nonservo brake does not produce a wedging action in either direction.
Industry:Aviation
A type of cabin heater used in some aircraft. Gasoline from the aircraft fuel tanks is burned in the heater.
Industry:Aviation
