Calibrated Airspeed Knot Lift 
AV Web
JULY 23, 2025
The old limit was 45 knots calibrated airspeed (CAS) without flaps (V S1 ). The final rule raises this limit to 59 knots CAS (V S1 ). Flying After Dark The prohibition on night flight for Sport Pilots has been lifted. This is a huge increase in utility, removing the pressure to “get home before dark.”
Plane and Pilot
JUNE 15, 2025
Witness statements and recorded video showed that during the takeoff roll from the 5,500-foot-long asphalt runway, the airplane accelerated slower than normal, used more runway than normal, and lifted off the runway in a nose-high attitude. It climbed about 300 feet above ground level while flying a left traffic pattern back to the runway.
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Plane and Pilot
JUNE 2, 2025
Witness statements and recorded video showed that during the takeoff roll from the 5,500-foot-long asphalt runway, the airplane accelerated slower than normal, used more runway than normal, and lifted off the runway in a nose-high attitude. It climbed about 300 feet above ground level while flying a left traffic pattern back to the runway.
Pilot's Life Blog
APRIL 9, 2024
The sensor detects the amount of force from the pitot impact pressure and gives it airspeed indications by converting those values into speed. When properly calibrated, airspeed indicators are a highly accurate means of measuring the actual speed of a modern aircraft. Why Are Airspeed Indicators Important?
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