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Indicated Airspeed (IAS)

WayMan

When stepping into the cockpit, one of the most important instruments that a pilot relies on is the airspeed indicator. Among the metrics displayed, Indicated Airspeed (IAS) stands out as a critical measure for safe and efficient flight operations. Mastering indicated airspeed is a cornerstone of becoming a skilled pilot.

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Indicated Airspeed Versus True Airspeed | 5 Types of Airspeed

Thrust Flight

In this article, we’re going to compare indicated airspeed with true airspeed and help you get a deeper understanding of the difference between the two. Like its partner in crime, the altimeter, your airspeed indicator gives you vital information about the plane you’re flying.

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Understanding pressure altitude and GPS altitude in aviation apps

iPad Pilot News

Airspeed and altitude differences Consider speed first. The panel in your airplane shows indicated airspeed (IAS, derived from the pitot tube on the wing), while the iPad shows groundspeed (derived from the GPS in your ADS-B receiver or iPad). Here’s a somewhat geeky dive into the details.

Altimeter 111
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Airspeed and Altitude Control Simplified: Tips for Stable Flying

Pilot Institute

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. Why is that?

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Unbolted in Fairfield (Update on the 2022 Bell 407 GXP Crash)

Fear of Landing

As the helicopter continued towards the airport, the airspeed began to decrease. The indicated airspeed had fallen below 65 knots and was still decreasing. As the airspeed decayed, the right yaw increased. The helicopter was at treetop height with an indicated airspeed of zero knots when the right yaw ceased.

Torque 89
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Exploring the Intricacies of the Airspeed Indicator

Pilot's Life Blog

True Airspeed vs Indicated Airspeed VS Equivalent Airspeed Since airspeed indicators use air pressure to measure speed, the indicated airspeed can be less than the actual airspeed at higher altitudes. True airspeed (TAS) is the difference between the indicated airspeed and actual speed.

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Quiz: BasicMed

Flight Training Central

What is the maximum indicated airspeed you may fly when operating under BasicMed? When must the pilot complete the next comprehensive medical examination to continue operating under BasicMed? June 31, 2026 June 15, 2028 June 30, 2028 Correct! 250 knots 200 knots 180 knots Correct!