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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. And herein lies the rub.

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How to Read METAR and TAF Reports

Pilot Institute

Altimeter Pressure (A2990) The next part of the report indicates the local atmospheric pressure, measured in inches of mercury (inHg). Pilots use this value to adjust their altimeters, ensuring they display altitude as close to mean sea level (MSL) as possible. Its also possible to report negative temperatures with an M prefix.

AGL
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There Is Definitely an Art to the Intro Flight

Flying Magazine

If you use an AATD for the first part of the experience, when you get into the actual aircraft, point out the airspeed indicator, attitude indicator, altimeter, etc. While you may be OK with marginal VFR, turbulence, and winds 10 gusting to 18, chances are pretty good the customer wont be if it is their first flight in a small airplane.

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Trial by Ice

Air Facts

The general prognosis indicated no icing in the clouds, no turbulence and a quartering headwind from the west resulting in a mere five knots of headwind component. Passing through 2,800, the altimeter almost stopped, but finally, at 2,900 we punched through the inversion layer! It got turbulent, and then very turbulent.

VOR
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Practicing Steep Turns: Techniques to Improve Pilot Control and Precision

Pilot's Life Blog

Monitor your instruments closely, especially the altimeter and airspeed indicator, and make small, continuous adjustments. Practicing this technique enhances your ability to handle the aircraft smoothly in various flight conditions, including turbulence or tight airspace. Maintaining the Turn: Use pitch control to maintain altitude.

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Who is the pilot in command of your aircraft?

Air Facts

“The instrument conditions, likely turbulence, and increased workload imposed by beginning the approach phase of the flight presented a situation that was conducive to the development of spatial disorientation and a loss of situational awareness. Then a strange thing happened.

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The Day I Learned to Trust My Instruments

Air Facts

I focused on the panel: attitude indicator, heading indicator, altimeter. As I re-entered the clouds, turbulence increased. The turbulence wasnt extremelight to moderatebut inside that gray cocoon, time slowed. I locked into a steady scan: attitude, altimeter, turn coordinator, back to heading. Trust the tools.