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Dafydd created the topic: QNH/Minima Adjustment
With regards to adjustment of minima, depending on QNH source any approach with a shaded minima box is either adjusted up/down or left as is (AIP ENR 1.5 - 5.3). I'm trying to find a reference stating for any approach at an airport that does not have a regular TAF service, then the 50ft addition required is already included in the published minima.