QNE Is Not A Pressure Reference -[What exactly it is and why do we use it during flight Operations].
Today's video is about the QNE.
By the end of this episode, you will know what exactly it is and why we use it during Flight Operations.
The QNE is not a pressure reference, I have been flying for more than 15 years and I always referred to it as a pressure reference, however, if you look at its definition the QNE is the difference in feet between the standard pressure reference of 1013.25Hpa (29.92in hg) and your aircraft.
The QNH is the pressure at the mean sea level and the difference in feet between the QNH and your aircraft its called Altitude.
So as you can see the QNH is a pressure reference while the QNE is a heigh difference expressed in feet.
If you use the 1013.25hpa (29.92 in hg) you will be flying FLIGHT LEVEL (FL).
You need to fly using the standard pressure reference in order to maintain the separation with other traffics once the terrain is no longer a factor and you are flying above the transition altitude.
This procedure makes sure that you use the same altimeter reference of the planes around you.
Imagine if each aircraft uses the qnh from the departure airport, it won't be possible to obtain a vertical separation since each one would have a different pressure reference on the altimeter.
To learn more about QNH, QNE and QFE watch the following video:
• QNH, QFE and QNE - [Altitude, Height and ...
Watch the transition altitude Video here:
• Altimeter Setting - [Transition Altitude, ...
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Disclaimer:
THIS VIDEO IS FOR ENTERTAINMENT PURPOSES ONLY.
NOT FOR REAL-LIFE OPERATIONS.
PLEASE REFER TO THE OFFICIAL MANUAL AND DOCUMENTATION.
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