Aerotime
APRIL 3, 2025
Sperrys autopilot system became particularly popular during the 1920s and 1930s as airline transport took off and people began to travel more and further afield. Generally speaking, a commercial airliner must be equipped with an autopilot if it has a capacity of 20 passengers or greater.
Pilot's Life Blog
APRIL 9, 2024
Moving air from outside feeds into the pitot tubes and fills a pressure diaphragm. The sensor detects the amount of force from the pitot impact pressure and gives it airspeed indications by converting those values into speed. Airline pilots also need to know airspeed so they can know when to engage the landing gear.
AeroSavvy
OCTOBER 26, 2020
Airlines are upgrading older cockpits with newer displays, so this old indicator will soon become a relic. Ram air from a pitot tube and static (undisturbed) outside air from a static port, usually a hole on the side of the fuselage. Procedures may differ on other aircraft and at other airlines.
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