Basics 1 min read
Stall Warning System
Many aircraft have stall warning indicators to warn the pilot of an impending aerodynamic stall. In the past, stall warning…
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Basics 4 min read
Angle-Of-Attack (AOA) Indicating System
The Angle-of-Attack (AOA) indicating system detects aircraft angle of attack from a point on the side of the fuselage. It…
Basics 1 min read
Angle-Of-Attack Transmitter
Forces vary with the angle of attack. The angle of attack is the angle between the relative wind and the…
Basics 2 min read
Vertical Speed Indicator (VSI)
A VSI shows the rate at which an aircraft is climbing or descending. It is very important for night flying,…
Basics 1 min read
Counter Pointer Pressure Altimeter
The purpose of the counter pointer pressure altimeter (Figure 6-8) is to show aircraft height. By studying the dial of…
Basics 3 min read
Some important terms……
Mean Sea Level – Since about 80 percent of the earth’s surface is water, it is natural to use sea level…
Basics 4 min read
Airspeed Indicators
Readings from an airspeed indicator are used to estimate ground speed and to determine throttle settings for the most efficient…
Basics 2 min read
Aircraft Instruments
Pitot-Static System The aircraft pitot-static system includes instruments that operate on the principle of the barometer. The system consists of…
Basics 2 min read
Hydraulics
Most helicopters, other than smaller piston-powered helicopters, incorporate the use of hydraulic actuators to overcome high control forces. A typical…
Basics 3 min read
Electrical Systems
The electrical systems, in most helicopters, reflect the increased use of sophisticated avionics and other electrical accessories. More and more…
Basics 2 min read
Turbine & Accessory Gearbox
Turbine The two-stage turbine section consists of a series of turbine wheels that are used to drive the compressor section…
Basics 3 min read
Compressor
The compressor may consist of an axial compressor, a centrifugal compressor, or combination of the two. An axial compressor consists…
