Instruments

Inertial Reference System(IRS)

Definition

A self-contained navigation system using accelerometers and gyroscopes to calculate position, velocity, and attitude without external references. IRS provides attitude and heading data even when GPS is unavailable.

Related Terms

Global Positioning System(GPS)

A satellite-based navigation system providing precise three-dimensional position...

Attitude Indicator(AI)

A gyroscopic flight instrument displaying the aircraft pitch and bank attitude r...

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