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Wed, Oct 14, 2026 / Ideas for a clearer worldINDEPENDENT INSIGHTS · PRACTICAL TOOLS · EXPLAINERS
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Basics

Basics

DC Selsyn Systems

On aircraft with direct current (DC) electrical systems, the DC selsyn system is widely used. As mentioned, the…

July 26, 2021 · Boomi Nathan
Basics

Remote Sensing and Indication

It is often impractical or impossible to utilize direct reading gauges for information needed to be conveyed in…

July 26, 2021 · Boomi Nathan
Basics

Airspeed Indicators

The airspeed indicator is another primary flight instrument that is also a differential pressure gauge. Ram air pressure…

July 26, 2021 · Boomi Nathan
Basics

Vertical Speed Indicator

An analog vertical speed indicator (VSI) may also be referred to as a vertical velocity indicator (VVI), or…

July 26, 2021 · Boomi Nathan
Basics

Altimeters and Altitude

An altimeter is an instrument that is used to indicate the height of the aircraft above a predetermined…

July 26, 2021 · Boomi Nathan
Basics

Pitot-Static Systems

Some of the most important flight instruments derive their indications from measuring air pressure. Gathering and distributing various…

July 26, 2021 · Boomi Nathan
Basics

Pressure Switches

In aviation, it is often sufficient to simply monitor whether the pressure developed by a certain operating system…

July 26, 2021 · Boomi Nathan
Basics

Vacuum Pressure

Gyro pressure gauge, vacuum gauge, or suction gauge are all terms for the same gauge used to monitor…

July 26, 2021 · Boomi Nathan