Cockpit Indicated Airspeed Knot 
Pilot Institute
JULY 11, 2025
Why don’t they use Indicated Airspeed just like the pilots who fly slower aircraft? Key Takeaways Mach number is a dimensionless ratio of true airspeed to local speed of sound. In terms of a formula, you can write it as: Mach number (M)= True Airspeed (TAS) / Speed of Sound (a) This means Mach 1 is the speed of sound, Mach 0.5
Pilot Institute
NOVEMBER 16, 2024
If you’re aiming to get comfortable with managing both airspeed and altitude in flight, you’ll need to understand the difference between indicated airspeed (IAS) and true airspeed (TAS). Key Takeaways Airspeed and altitude are directly linked to each other throughout different phases of your flight. miles per hour.
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Pilot Institute
FEBRUARY 1, 2025
Step-by-Step: How to Use the E6B for Time and Speed Calculations Calculating Time en Route Lets say were flying at a constant airspeed of 100 knots. That means itll take 24 minutes to fly 40 miles at 100 knots. That means our groundspeed was 90 knots. Calibrated airspeed is not the same as indicated airspeed.
Flying Magazine
JUNE 2, 2025
Almost eight times as much fuel is needed to propel an airplane at 400 knots as at 200. Boom aims to alleviate it (assuming the blanket supersonic ban will be rescinded or revised) by flying overland legs boomless at 700 knots and accelerating to 980 knots over oceans.
Flying Magazine
JULY 7, 2025
The cockpit includes a dedicated trim panel, rather than a simple wheel or switches on the yoke. But with a top speed of 70 knots indicated airspeed (IAS), its velocity is more comparable to a shipping vessel. For commercial operations, the recommended cruise is 50 knots IAS.
Fear of Landing
JULY 18, 2025
The aircraft accelerated along the runway and reached V1, the take-off decision speed, of 155 knots normally. In the air, the aircraft reached 180 knots indicated airspeed at 08:08:42, at which point the fuel cutoff switches transitioned from the RUN position to the CUTOFF position.
Aerotime
MARCH 21, 2025
TSB Approach sequence Due to reported wind gusts as the CRJ900 approached Toronto Pearson following a flight from MinneapolisSaint Paul International Airport (MSP) the aircraft was flown at 149 knots. One second later (2.6seconds before touchdown), the EGPWS alert sink rate sounded, indicating a high rate of descent.
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