Altimeter Pitot Tube Weather 
Northstar VFR
JUNE 30, 2024
Pilots rely on the airspeed indicator and altimeter instruments to measure and display this vital information. The pitot tube is a peculiar looking probe on aircraft to our non-flying friends. Look closely on the underneath side of the tube and you’ll see a small drain hole where moisture drains out.
AeroSavvy
OCTOBER 26, 2020
Ram air from a pitot tube and static (undisturbed) outside air from a static port, usually a hole on the side of the fuselage. Airspeed indicators need air from a pitot tube and static air from a static port Small general aviation aircraft have airspeed indicators with air hoses connected directly to the pitot and static sources.
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