DME – Distance Measure Equipment
Function of DME? provide distance information (measure the slant distance between the DME station and aircraft) Component of DME? DME ground station (usually combined with VOR) Aircraft DME unit Principle of DME? DME unit onboard the aircraft, that send out interrogation signal to ground DME station Ground DEM station give reply – send
ILS-Z, Y, X?
What can be different? ILS frequency Waypoint Descend profile CAT type RNP requirement MAP (miss-approach) procedure
ILS – Instrument Landing System
ILS (Instrument Landing System) is used for precision approach, particular useful for low visibility condition and/or bad weather. Component of ILS Localizer Glide slope Distance Measuring Equipment (DME) or Marker Beacons Runway lights 留意飛機方向!!! Function of each components: Localizer Guide the aircraft to the centerline of the runway (lateral guidance) Glide slope Guide the
PUDSUC – 口訣 : pitot static blockages
Reference: Instrument failure: the test of trust | Flight Safety Australia PUDSUC A pitot blockage will cause airspeed to underread on descent (vice versa on climb). A static blockage will cause airspeed to underread on climb (vice versa on descent).
Six pack
Reference: https://www.airpowerinc.com/six-pack-aircraft-instruments Six pack: is a terms referring the six basic instruments that a pilot must know! From the top, on the most left is the Airspeed indicator (ASI), the Attitude indicator (AI) is in the middle, and the Altimeter (Alt) on the right At the bottom, on the most left is the Turn coordinator