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If an ATSU passes you aerodrome METAR information, which parts must be read back?

  • A

    Runway(s) in use, altimeter pressure settings, temperature / dew point

  • B

    Runway(s) in use, altimeter pressure settings

  • C

    The entire METAR

  • D

    Runway(s) in use, altimeter pressure settings, surface wind

The letters METAR stand for

  • METeorological
  • Aerodrome
  • Report.

METARs contain coded messages pertaining to the actual weather conditions at a given aerodrome, at a stated time. METARs are usually issued every half hour during aerodrome operating hours.

In terms of METAR readback, some information must be readback so that ATC can confirm clear understanding of a safety related item, such as runway in use or pressure settings.

Looking at the answer options:

Runway(s) in use, altimeter pressure settings, temperature / dew point --> INCORRECT. A readback of the temperature and dew point is not required.

Runway(s) in use, altimeter pressure settings --> CORRECT. A METAR includes some information that must be readback, so that ATC can confirm clear understanding of a safety related item, such as runway in use or pressure settings.

The entire METAR --> INCORRECT. Most of the METAR detail is for information and does not need to be confirmed.

Runway(s) in use, altimeter pressure settings, surface wind --> INCORRECT. A readback of the surface wind is not required.

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