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  2. Altimeter setting - Wikipedia

    en.wikipedia.org/wiki/Altimeter_setting

    The QNH altimeter setting is one of the data included in METAR messages. An alternative setting is QFE or SPS/STD: An alternative setting is QFE or SPS/STD: QNH - is the barometric altimeter setting that causes an altimeter to read aircraft elevation above mean sea level - altitude ( AMSL - above mean sea level) in ISA temperature conditions in ...

  3. Pressure altitude - Wikipedia

    en.wikipedia.org/wiki/Pressure_altitude

    Examples would be landing at a high altitude or near sea level under conditions of exceptionally high air pressure. Old altimeters were typically limited to displaying the altitude when set between 950 mb and 1030 mb.

  4. Density altitude - Wikipedia

    en.wikipedia.org/wiki/Density_altitude

    The density altitude can also be considered to be the pressure altitude adjusted for a non-standard temperature. Both an increase in the temperature and a decrease in the atmospheric pressure, and, to a much lesser degree, an increase in the humidity, will cause an increase in the density altitude. In hot and humid conditions, the density ...

  5. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    However, in some countries, such as Norway for example, [9] the transition level is determined by adding a buffer of minimum 1,000 ft (300 m) (depending on QNH) to the transition altitude. Therefore, aircraft may be flying at both transition level and transition altitude, and still be vertically separated by at least 1,000 ft (300 m).

  6. Prisoners of Profit - The Huffington Post

    projects.huffingtonpost.com/prisoners-of-profit

    In 2001, an 18-year-old committed to a Texas boot camp operated by one of Slattery’s previous companies, Correctional Services Corp., came down with pneumonia and pleaded to see a doctor as he struggled to breathe. Guards accused the teen of faking it and forced him to do pushups in his own vomit, according to Texas law enforcement reports ...

  7. Aeronautical Code signals - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_Code_signals

    QFE: The pressure set on the subscale of the altimeter so that the instrument indicates its height above the reference elevation being used [e.g. aerodrome elevation] [1] Runway in use 22 Left, QFE 990 hectopascals QFF: Atmospheric pressure at a place, reduced to MSL using the actual temperature at the time of observation as the mean ...

  8. Automatic terminal information service - Wikipedia

    en.wikipedia.org/wiki/Automatic_Terminal...

    QNH (pressure @ mean sea level) 1020 - hectoPascals is dictated below 1018 hPa QFE (pressure @ airfield elevation) 1017 - hectoPascals is dictated below 1080 hPa Other information Request to report altimeter setting in use on first contact. Noise abatement procedures in effect. Tower frequency: 122.900 MHz (departing aircraft)

  9. QFF - Wikipedia

    en.wikipedia.org/wiki/QFF

    QFF is the location value plotted on surface synoptic chart and is closer to reality than QNH, though it is only indirectly used in aviation. [ citation needed ] Another method [ which?