Author: Wg Cdr Rajagopal

Earth’s Magnetism Magnetism Magnetism is the property of certain materials to create a magnetic force Magnetic force attracts or repels similar materials Ferrous metals like steel, nickel or cobalt can be magnetised Non-ferrous metals like aluminium cannot be magnetised Magnetic Field Magnetic field is the space around magnet where magnetic influence is felt Magnetic lines of force is pattern in a magnetic field Varies with shape and strength of magnet Red end is the north seeking end which points to magnetic north Blue end is south seeking end which points…

Angle of Attack Indicator Angle of Attack Angle of attack is the angle between the wing chord line and the direction of air flow Increase in angle of attack provides increased lift until a certain point Beyond a point drag increases abruptly Can cause aircraft to stall Angle of Attack Indicator Angle of Attack indicator, provides visual indication of angle of attack Used in stall warning system Sensors mounted on the side of front fuselage Types of Angle of Attack Sensors Angle of Attack sensors are of two types Slotted…

Air Data Computer Requirement of Air Data Computer Avoid multiple Pitot and Static lines Provide centralized source of static and pitot pressure Convert pressure data in an electric or electronic format Advantage of Air Data Computer Provide pressure data to other equipments Flight data recorder Navigation computer Auto Pilot Equipments dependent on Air Data Computer ADC provides pressure data to Flight Data Recorder Electronic Flight Information System Warning Systems ATC Transponder Inertial Reference System Flight Control Computer Flight Management System Analogue ADC Analogue ADC E-I bar to convert pressure data…