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You set the QFE exactly the same way as you do the QNH, i.e. turn the altimeter knob to the right number. The difference is the resulting figure the altimeter needle points to. For QNH it's the number of feet above mean sea level (the altitude), for QFE it's the number of feet above the aerodrome level (the height).

 

So for example, if you were on the ground at Biggin Hill (EGKB) with the QNH set your altimeter would read 600ft, but if you'd set the QFE it would read 0ft

Ruth McTighe

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If you're using VATSIM weather and lazy like me, simply hit B and it will correct the altimeter setting for you.

 

A very wrong approach for any place other than USA, since pressing B in Europe anywhere between 6000ft and 18000ft would likely* result in an error in procedure, and possibly loss of separation with other traffic.

 

 

* N.B. Transition altitudes vary in different countries.

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A very wrong approach for any place other than USA, since pressing B in Europe anywhere between 6000ft and 18000ft would likely* result in an error in procedure, and possibly loss of separation with other traffic.

 

My reply was intended to answer the op's question in general, regardless of the country he is in, answering his question on how to set his QFE/QNH on his panel.

Romano Lara
vACC Philippines, Manager - Training & Standards
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Additionally Manuel,

 

When given the QNH/QFE in millibars (which you will in the UK), if your C172 Altimeter only shows inches (inHg) on the subscale, as a rough guide, divide the millibars by 33.85 to give you inches.

David James

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Additionally Manuel,

 

When given the QNH/QFE in millibars (which you will in the UK), if your C172 Altimeter only shows inches (inHg) on the subscale, as a rough guide, divide the millibars by 33.85 to give you inches.

Divide by 33.85 as a rough guide! Great stuff.

Alistair Thomson

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