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QNH is included...
  • A
    Only in METARs.
  • B
    Neither in METARs nor in VOLMETs.
  • C
    Only in VOLMETs.
  • D
    In both METARs and VOLMETs.

ICAO Annex 3
Chapter 4. Meteorological observations and reports
4.5 Contents of reports

4.5.1 Local routine reports, local special reports, METAR and SPECI shall contain the following elements in the order indicated:

a) identification of the type of report;
b) location indicator;
c) time of observation;
d) identification of an automated or missing report, when applicable;
e) surface wind direction and speed;
f) visibility;
g) runway visual range, when applicable;
h) present weather;
i) cloud amount, cloud type (only for cumulonimbus and towering cumulus clouds) and height of cloud base or, where measured, vertical visibility;
j) air temperature and dew-point temperature; and

k) QNH and, when applicable, QFE (QFE included only in local routine and special reports).

Chapter 11. Requirements for and use of communications
11.6 Use of aeronautical broadcasting service - contents of VOLMET broadcasts

11.6.1 Continuous VOLMET broadcasts, normally on very high frequencies (VHF), shall contain current METAR and SPECI, together with trend forecasts where available.
11.6.2 Scheduled VOLMET broadcasts, normally on high frequencies (HF), shall contain current METAR and SPECI, together with trend forecasts where available and, where so determined by regional air navigation agreement, TAF and SIGMET.

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