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How is the uncleared part of a contaminated runway reported in a SNOWTAM?

  • A

    By a four figure group added to item D, which gives the length in meters.

  • B

    As a percentage of the total length of the runway available as the first item of a SNOWTAM.

  • C

    In plain language at item T (the final paragraph) of a SNOWTAM.

  • D

    It is not reported.

Refer to figure.
On a SNOWTAM:

  • Item D: shows the cleared runway length
  • Item T: shows the uncleared length with details on the extent of contamination.

A fine memory aid, as mentioned in the comments is:

Cleared -> Done (D)
Not cleared -> To do (T)

ICAO Annex 15
Appendix 2. Snowtam Format

Item D - Cleared runway length in metres, if less than published length (see Item T on reporting on part of runway not cleared).
Item T - Describe in plain language any operationally significant information but always report on length of uncleared runway (Item D) and extent of runway contamination (Item F) for each third of the runway (if appropriate) in accordance with the following scale:

RWY CONTAMINATION 10 PER CENT - if 10% or less of runway contaminated
RWY CONTAMINATION 25 PER CENT - if 11 - 25% of runway contaminated
RWY CONTAMINATION 50 PER CENT - if 26 - 50% of runway contaminated
RWY CONTAMINATION 100 PER CENT - if 51 - 100% of runway contaminated.

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