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Understanding pressure altitude and GPS altitude in aviation apps

iPad Pilot News

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). Most pilots think about pressure, since we’re constantly adjusting the altimeter setting, but even that isn’t enough to explain the difference.

Altimeter 111
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The Pitot-Static System: How It Works

Pilot Institute

” The answers come from a clever little setup on your airplane: a metal tube sticking into the airstream and a tiny hole on the fuselage. It helps measure how fast the airplane is going by measuring the air pressure. The other important part of the system is a tiny hole on the side of the airplane, called a static port.

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Quiz: Understanding the airplane Pitot-Static System

Flight Training Central

Airspeed and altimeter. Airspeed, altimeter, and vertical speed. If a flight is made from an area of low pressure into an area of high pressure without the altimeter setting being adjusted, the altimeter will indicate lower than the actual altitude above sea level. What altitude does the altimeter indicate?

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Most Frequently Missed Private Pilot Written Test Questions—January 2025

Flight Training Central

No airplane or helicopter traffic No helicopter traffic No airplane traffic Correct! Based upon the altitude indicated by altimeter #3, which course direction is appropriate for this VFR cruising altitude? Which condition would cause the altimeter to indicate a lower altitude than true altitude? Refer to Figure 82.)

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Quiz: Understanding Aircraft Performance

Flight Training Central

Airplane performance can be defined as the capability of an airplane to operate effectively while serving a specific purpose. The result of an alteration in airflow patterns increasing induced drag about the wings of an airplane. Determine the approximate landing ground roll distance. a higher-than-normal angle of attack.

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Bargain Buys on AircraftForSale: 1992 Stolp SA-300 Starduster Too

Plane and Pilot

A kit-built airplane derived from the 1950s-era Starduster, the Starduster Too incorporates a steel-tube fuselage and wooden wings, all covered in fabric. Interior and exterior are both rated as a 9+, corresponding to the relatively young age of the airplane. For more information, email info@flyingfinance.com.

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What Does A-TOMATO-FLAMES Mean?

Pilot Institute

Think about situations where equipment, like a fuel gauge or altimeter, stops working. A faulty fuel gauge could lead to running out of fuel, and a broken altimeter might leave you uncertain of your altitude. Pilot Confidence : When you know your aircraft meets the legal standards, you can fly and focus on navigating safely.