CPL » Air Tech (A) » Pressure Instruments

26.52 Pressure Instruments

26.52.2 Define:

(a) static air pressure;

(b) dynamic air pressure;

26.52.4 Explain the pressure requirements of the three basic pressure instruments.

26.52.6 Describe a typical pitot-static system.

26.52.8 Explain the difference between a single pitot (pressure) head and separate pitot tube and static vent system.

26.52.10 Explain the function of pitot heat.

26.52.12 Explain the following errors affecting an ASI:

(a) density error (IAS/TAS relationship);

(b) position (pressure) error;

26.52.14 Describe the pre-flight and in-flight serviceability checks for an ASI.

26.52.16 Explain the principle of operation of an altimeter.

26.52.18 Explain the meanings of the subscale settings QNH and QFE.

26.52.20 Explain the effect of pressure setting error on altimeter indication.

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