Podcast
Questions and Answers
What does the airspeed indicator display?
What does the airspeed indicator display?
What must be corrected to obtain the speed over the ground from the indicated airspeed?
What must be corrected to obtain the speed over the ground from the indicated airspeed?
What is used for accurate navigation to correct the direction indicated by the magnetic compass?
What is used for accurate navigation to correct the direction indicated by the magnetic compass?
Why can the magnetic compass be unreliable when the aircraft is turning, climbing, descending, or accelerating?
Why can the magnetic compass be unreliable when the aircraft is turning, climbing, descending, or accelerating?
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What is necessary to obtain the direction of true north or south for accurate navigation?
What is necessary to obtain the direction of true north or south for accurate navigation?
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Study Notes
Airspeed Indicator
- Displays the aircraft's indicated airspeed (IAS), which is critical for determining performance.
- Indicates the speed of the aircraft relative to the surrounding air.
Indicated Airspeed vs. Ground Speed
- To calculate ground speed, correction for wind effects is necessary.
- Ground speed is the aircraft's true speed over the ground, incorporating headwinds or tailwinds.
Navigation Corrections
- A compass deviation chart is used to correct the magnetic compass direction.
- Errors can be caused by electrical equipment, magnetic fields, and other onboard instruments.
Magnetic Compass Limitations
- Unreliable during aircraft maneuvers such as turns, climbs, descents, or accelerations.
- Causes include acceleration error, turning error, and dip error affecting readings.
True North Navigation
- A gyroscopic heading indicator or GPS is required to determine true north or south accurately.
- These instruments account for magnetic variation, ensuring reliability in navigation.
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Description
Test your knowledge of aviation instruments with this quiz on the airspeed indicator. Learn about how the instrument measures aircraft speed and factors that affect its accuracy. Perfect for aviation enthusiasts and pilots.