[QUOTE]although IIRC its deck height + 200, min 300' for Bristow./QUOTE
No, its Deck height +50', minimum 300'. MDA is deck ht + 200' if RADALT u/s
My point was, if the training departments' think that the only way to be safe on a night visual approach is to be hitting all the "gates", why do these visual gates not matter in the final stages of landing from a night ARA? I'm aware of the differences between landing onshore visually or from an Instrument approach. However, there will be at least 500m vis at the bottom of an ILS not just the deck lights of a small platform with inky blackness all around it.
Deck height +200' seems reasonable for a non-precision approach when that is what you have to work with from an onshore precision approach. It gives you the space/time to make a safe transition to the visual part of landing.