![[Pasted image 20240121112744.png]]
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## Gyroscopic Instruments
- Rely on two concepts: rigidity in space and gyroscopic procession
- The attitude indicator uses a gyroscope to maintain rigidity in space and display a correct attitude
- Typically, vacuum pumps are used to spin the gyroscopes
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## Vacuum Pumps
![[Pasted image 20240121113320.png]]
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## Attitude Indicator
![[Pasted image 20240121113523.png]]
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## Pendulous Vanes
- Allow the attitude indicator to correct for errors by utilizing gyroscopic procession
![[Pasted image 20240121114058.png]]
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## Digital Attitude Indicators
- Use solid state devices (accelerators and magnetometers) to determine the airplane's attitude
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## G1000 Display
![[Pasted image 20240121114636.png]]
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## GRS 77
- From the G1000 Pilot's Guide:
![[Pasted image 20240121114743.png]]
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![[Pasted image 20240121114956.png]]
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