Category: Flight Instruments

Warning Systems Visual Warning Systems Warning systems gets inputs from GPWS, TCAS, Engine and Aircraft systems Alerts the crew to danger levels in the order of their priority Level A are red lights and require immediate attention Level B are amber lights requiring crew alertness and possible action Level C are in other colours requiring crew alertness without any action Types of Visual Warning Systems Warnings are displayed as warning flags or danger lights Electronic Flight Information System may display warnings as symbols Master warning lights are attention getters which…

Future Air Navigation System Global Navigation Satellite Systems FANS A1 provides communication, navigation and surveillance system Provides positive control over oceans & polar regions GNSS and Data link are used to provide efficient air-ground communications Automatic Dependent Surveillance Automatic dependent surveillance automatically sends data ATS unit receives the communication using VHF and UHF frequencies FANS-B2 FANS B2 is an improved system of FANS Provides unique digital link address for all aircrafts CPDLC CPDLC Data link messages have a fixed format Messages are activated by pilot or controllers CPDLC messages are…

Head Up Display Components of Head Up Display HUD presents flight information and guidance in a pilot’s visual line of sight In critical phases of flight, like take off or landing the system is very useful Head Up Display system consists of four components Display controller to control various modes Display guidance computer to generate symbology Overhead unit which is a projector Combiner which is a glass screen to reflect displays to pilot Ambient light sensor controls brightness and adjusts display brightness Display brightness is adjusted as per lighting in…