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The engine pressure ratio (EPR) is the total pressure ratio across a jet engine, measured as the ratio of the total pressure at the exit of the propelling nozzle divided by the total pressure at the entry to the compressor. [1] Jet engines use either EPR or compressor/fan RPM as an indicator of thrust. [2]
An aircraft's indicated airspeed in knots is typically abbreviated KIAS for "Knots-Indicated Air Speed" (vs. KCAS for calibrated airspeed and KTAS for true airspeed). Instrument landing system – In aviation , the instrument landing system (ILS) is a radio navigation system that provides short-range guidance to aircraft to allow them to ...
Other aircraft systems typically monitored by EICAS are for example hydraulic, pneumatic, electrical, deicing, environmental and control surface systems. EICAS has high connectivity & provides data acquisition and routing. [2] EICAS is a key function of a glass cockpit system, which replaces all analog gauges with software-driven electronic ...
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But EPR had to cut its dividend during the pandemic. The big culprit was its movie theater exposure, as movie chains weren't in a particularly strong state entering the global health crisis.
Authorization of Aircraft Network Security Program ANT Antenna (radio) ANSOG Airport Network Security Operator Guidance A/O Air oil In turbine engines AOA Angle of attack: AOC 1: Air operator's certificate: AOC 2: Aeronautical operational control: AOG Aircraft on ground: AOM 1: Aircraft operations manual AOM 2: Airport/aerodrome operating ...
Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but the spins excited are those of the electrons instead of the atomic nuclei. EPR spectroscopy is particularly ...
A full authority digital engine (or electronics) control (FADEC) is a system consisting of a digital computer, called an "electronic engine controller" (EEC) or "engine control unit" (ECU), and its related accessories that control all aspects of aircraft engine performance.