CHAPTER 3—FLIGHT INSTRUMENTS

 

   

 
CHAPTER 3—FLIGHT INSTRUMENTS

INTRODUCTION 3-1

THE PITOT - STATIC SYSTEM AND ASSOCIATED INSTRUMENTS 3-1
Impact Pressure Chamber and Lines 3-1
Static Pressure Chamber and Lines 3-1
Altimeter 3-2
Principle of Operation 3-2
Effect of Nonstandard Pressure and Temperature 3-2
Setting the Altimeter 3-2
Types of Altitude 3-2
Vertical Speed Indicator 3-4
Principle of Operation 3-4
Airspeed Indicator 3-4
Kinds of Airspeed 3-4
Indicated Airspeed 3-4
Calibrated Airspeed 3-4
True Airspeed 3-4
Airspeed Indicator Markings 3-4
Other Airspeed Limitations 3-4

GYROSCOPIC FLIGHT INSTRUMENTS 3-6
Sources of Power for Gyroscopic Operation 3-6
Vacuum or Pressure System 3-6
Engine-Driven Vacuum Pump 3-6
Gyroscopic Principles 3-6
Turn Coordinator 3-6
The Heading Indicator 3-6
The Attitude Indicator 3-6

MAGNETIC COMPASS 3-10
Compass Errors 3-10
Variation 3-10
Deviation 3-10
Using the Magnetic Compass 3-10
 
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