GLOSSARY - Knowledge Center

Incandescent : Emitting visible light as a result of being heated.

ICAO : International Civil Aviation Organization

FAA : Federal Aviation Administration

Hz : A unit of frequency equal to one cycle per second.

LED : Light-Emitting Diode: Diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used

Obstruction Lights : Lights fixed to any structures near airports that could constitute a danger to aircraft in flight.

Volts : A measure of the pressure under which electricity flows.

IMT : Industrial Model Township

Amp : Quantitative unit of measurement of electrical current

CSIPR 11 : International Special Committee on Radio Interference (CISPR). The CISPR 11 standard provides a suitable test procedure for testing drives to verify conformance with these limits.

Airway marking sphere :

Candela : The unit of measure for the intensity of light at the source roughly equal to the amount of light in any direction from the flame of a candle.

FPM : Flashes Per Minute

AGL : Above Ground Level

Units of Lights Specification – Refer to Figure 1-1; (unites photometriques)
  1. Lumen – Unit of the luminous flux output from a light fixture.
  2. Candela – Unit of the luminous intensity of light emitted from a light fixture in a specific direction within a solid angle (steradian)
  3. Lux – Unit of illuminance of light falling upon a surface area. May be expressed as lumens per square metre or photons per second per square metre.
Dual Lighting System :

TASS : Technovators Avaids Signaling System

INTG : (Integral) - SMPS included

OM&L : Obstruction Marking & Lighting

Cold Cathode : A cold cathode gas filled tube or vacuum tube is one in which there is no cathode heater. It contrasts with a cathode that is heated to induce thermionic emission of electrons. Cold cathodes sometimes have rare earth coating on them for enhancing electron emission. Some types contain a source of beta radiation to start ionization of the gas that fills the tube.

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