Basics 2 min read
AC Synchro Systems
Aircraft with alternating current (AC) electrical power systems make use of autosyn or magnasysn synchro remote indicating systems. Both operate…
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Basics 4 min read
DC Selsyn Systems
On aircraft with direct current (DC) electrical systems, the DC selsyn system is widely used. As mentioned, the selsyn system…
Basics 1 min read
Synchro-Type Remote-Indicating Instruments
A synchro system is an electric system used for transmitting information from one point to another. The word “synchro” is…
Basics 2 min read
Remote Sensing and Indication
It is often impractical or impossible to utilize direct reading gauges for information needed to be conveyed in the cockpit.…
Basics 5 min read
Airspeed Indicators
The airspeed indicator is another primary flight instrument that is also a differential pressure gauge. Ram air pressure from the…
Basics 4 min read
Vertical Speed Indicator
An analog vertical speed indicator (VSI) may also be referred to as a vertical velocity indicator (VVI), or rate-of-climb indicator.…
Basics 11 min read
Altimeters and Altitude
An altimeter is an instrument that is used to indicate the height of the aircraft above a predetermined level, such…
Basics 3 min read
Air Data Computers (ADC) and Digital Air Data Computers (DADC)
High performance and jet transport category aircraft pitot-static systems may be more complicated. These aircraft frequently operate at high altitude…
Basics 4 min read
Pitot-Static Systems
Some of the most important flight instruments derive their indications from measuring air pressure. Gathering and distributing various air pressures…
Basics 2 min read
Pressure Switches
In aviation, it is often sufficient to simply monitor whether the pressure developed by a certain operating system is too…
Basics 1 min read
Vacuum Pressure
Gyro pressure gauge, vacuum gauge, or suction gauge are all terms for the same gauge used to monitor the vacuum…
Basics 2 min read
Fuel & Hydraulic Pressure
Fuel Pressure Fuel pressure gauges also provide critical information to the pilot. Typically, fuel is pumped out of various fuel…
