Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 6137

d) The maximum validity of SNOWTAM is 24 hours. New SNOWTAM must be issued whenever there is a significant change in conditions. The following changes relating to runway conditions are considered as significant: 1) a change in the coefficient of friction of about 0.05; 2) changes in depth of deposit greater than the following: 20 mm for dry snow, 10 mm for wet snow, 3 mm for slush; 3) a change in the available length or width of a runway of 10 per cent or more; 4) any change in the type of deposit or extent of coverage which requires reclassification in Items F or T of the SNOWTAM; 5) when critical snow banks exist on one or both sides of the runway, any change in the height or distance from centre line; 6) any change in the conspicuity of runway lighting caused by obscuring of the lights; 7) any other conditions known to be significant according to experience or local circumstances.

Source: https://magyarkozlony.hu/hivatalos-lapok/4c6310a937d14bac566ee9c9d944896656c292dd/dokumentumok/5a6ac3c6db12e692ae41096677ad5f072d2cc9f3/letoltes