First Issue 022-FI-1 Oct 1999 AIRLINE TRANSPORT PILOTS LICENCE (020 00 00 00 - AIRCRAFT GENERAL KNOWLEDGE) JAR-FCL REF NO LEARNING OBJECTIVES REMARKS 022 00 00 00 INSTRUMENTATION 022 01 00 00 FLIGHT INSTRUMENTS 022 01 01 00 Air Data Instruments 022 01 01 01 Pilot and Static Systems  State the purpose of the pitot and static system.  Indicate the information provided by the pitot and static system.  Name the components of the pitot and static pressure system.  Pitot tube, construction and principles of operation  Name and state the purpose of each element of the pitot tube.  Explain the principles of operation of the pitot tube.  Illustrate the distribution of the pitot pressure to instruments and systems.  Indicate various locations of the pitot tube in relation to the direction of air flow.  Name the existing pitot tube designs.  Static source  Explain the principle of operation of the static port.  Illustrate the distribution of the static pressure to instruments and systems.  Indicate various locations of the static port.  Define the static pressure error  Describe the purpose of static balancing  Malfunction  State, in qualitative terms, the effects on the indications of altimeter, airspeed indicator and variometer (vertical speed indicator) in the event of a blockage or a break of:  Total pressure line  Static pressure line  Total and static pressure line  Heating  Explain the purpose of heating.  Interpret the effect of heating on sensed pressure.  Alternate static source  Explain why an alternate static source is required.  Compare alternate static pressure with normal static pressure  State that when the alternate pressure system is used, correction values can be taken from the Flight Manual.  State the operating principle of the existing versions of alternate pressure systems 022 01 01 02 Altimeter  Construction and principles of operation  State the task of the altimeter.  Describe the fundamental principle of hydrostatic pressure.  Describe the measuring element of a pressure altimeter.  Explain how the altimeter is calibrated.  State in qualitative and quantitative terms the variation of atmospheric static pressure with altitude.  Name the components of the altimeter.  Explain how these components work together.  Identify the different types of altimeters.  Explain the connection between the altimeter indication and the reference pressure.  Compare the existing altimeter designs and identify their advantages and defects.  State how the non-linear distribution of atmospheric pressure is converted to linear indication.  Indicate methods of temperature compensation and matching to the barometric pressure gradient.  Display and setting  Define the different subscale settings.  Define QNH, QFE, flight level  Define height, indicated altitude, true altitude, pressure altitude and density altitude.  State that subscale-setting units are given in hPa or inches of mercury (inch Hg). Convert pressures from inches Hg to hPa.  Interpret the indications of the existing types of altimeters.  Errors  State the purpose of vibration (knocking or vibrator) in some altimeters.  Describe the effect of blockage of the static intake on altimeter reading.  Interpret the errors for the altimeter and describe their effects on practice.  Describe how the use of an alternate static source affects the altimeter indications.  State how instrument and static source errors can be corrected.  Apply corrections from the Aircraft Operating Manual (AOM) to altimeter readings.