Pressure & Gyroscopic Instruments

Label this diagram

a

b

c

d

Pitot Tube

Pressure Chamber

Static Port

Pitot Switch Heater

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a

b

c

d

Diaphragm

Static Air Line

Pitot Tube

Ram Air

Label this diagram

a

b

c

Aneroid Wafers

Adjustment Knob

Static Port

Label this diagram

a

b

Calibrated Leak

Direct Static Pressure

Diaphragm

Label the diagram

a

b

c

Vacuum Air Filter

Vacuum Relief Valve

Vacuum Pump

Which instrument(s) will become inoperative if the static vents become clogged?

• Airspeed

• Altimeter

• Vertical Speed

• Attitude

If a flight is made from an area of low pressure into an area of high pressure without the altimeter setting being adjusted, the altimeter will indicate

• Lower than the actual altitude above sea level

• The actual altitude above sea level

• Higher than the actual altitude above sea level

What does the red line on an airspeed indicator represent?

• Rough Air Speed

• Turbulent Air

• Never Exceed Speed

• Manoeuvring Speed

What altitude does the altimeter indicate?

• 15,940 Feet

• 10,950 Feet

• 9,500 Feet

Which instrument will become inoperative if the pitot tube becomes clogged?

• Altimeter

• Airspeed

• Vertical Speed