Introduction
The forms below can help you to set the correct altimeter settings in your aircraft.
The acronym QNH is one of the Q(uestion) code names developed for use in morse code (Q-code. To concisely ask for atmospheric pressure at mean sea level (MSL), the operator would transmit the letters QNH to be interpreted as "I have a question. What is the atmospheric pressure at Nil Height?"
If you set the QNH (that can be taken from the Metar or from ATC) you will fly Altitudes, and if you set the QFE you will fly Height.
Fetch METARs and Calculate Interpolated QNH
QNH will be interpolated for a given lon/lat based on a linear approximation for distance given the chosen airports. If lon or lat is omitted, then only the METARs are fetched for the list of airports.
No data found. Maybe you should check whether the ICAO codes actually exist.