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Altimeter vs. GPS Altitude in Aviation

Pilot Institute

There is also a difference between Altimeter vs. GPS altitude, and there are some important differences to cover. Altimeters measure pressure altitude above a given datum and have to be calibrated to be accurate. Key Takeaways Altimeters use air pressure and need calibration to show accurate altitude.

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Black Hawk crew may have missed key ATC instruction before Washington DC crash 

Aerotime

The National Transportation Safety Bureau (NTSB) Chair Jennifer Homendy has suggested at her latest briefing that the Black Hawk helicopter crew may have missed a key instruction from air traffic controllers (ATC) before the crash with an American Eagle flight.

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Terrifying: Southwest 737 Descends To 150 Feet Above Tampa Bay

One Mile at a Time

Instead, they only increased altitude again after an air traffic controller warned them about a low altitude alert. Tampa’s altimeter is 30.14.” First and foremost, the air traffic controller here deserves massive kudos. Worst of all, the pilots didn’t even seem to realize what was going on.

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AVIATES Acronym Explained

Pilot Institute

T – Transponder Check Your transponder, which helps air traffic control see your airplane on radar, needs to be inspected every 24 months. Without this, you can’t fly in most controlled airspace. S – Static System and Altimeter Check Pilots flying under IFR need their static system and altimeter inspected every 24 months.

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Who is the pilot in command of your aircraft?

Air Facts

Thats especially true for instrument pilots, where Air Traffic Control sounds like they are running the show, the avionics seem to direct the flight along predefined routes, and the autopilot actually flies the airplane. I concentrated as never before, and the airplane tracked true as the altimeter hand crawled upward.

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The anatomy of a commercial flight – all you ever wanted to know:   Part two   

Aerotime

Depending on other traffic ahead, not least at the destination, air traffic controllers (ATC) will clear the flight to descend in stages, to be level at certain waypoints on the arrival route. This may be accompanied by the deployment of spoilers on top of the wing.

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“Totally a visibility issue.”

Fear of Landing

During the final stages of the flight, air traffic control told the pilot to expect the RNAV A approach to Montgomery County. Air Traffic Control cleared him to fly directly to BEGKA, a waypoint southwest of him. The controller confirmed a descent to 3,000 feet, the minimum safe altitude for BEGKA.