Originally Posted by
Ancient-Mariner
As a retired MN Officer, I subscribe to Chirp Maritime. In Issue 50 June 2020, on page 5
https://www.chirpmaritime.org/wp-con...-June-2020.pdf there is an article about an inbound aircraft observing a very large cruise vessel which would cross the short final of Runway 35. I have not seen any comments on here, so far. As stated, some ships have an air draft of up to 72 metres/236 feet.
Clive
Singapore is a place where it can be an an issue for departures, especially for the heavies loaded up to near max weight.
Departing off 02left or 02 centre your performance calculation/considerations have to take into account whether or not there are any "big" ships crossing the shipping channel to the north of the runway.
ATC/ATIS give details of any maritime traffic "in play" and it is possible you may have to delay your departure until the ship gets out of the way if your performance is such that you won't clear a "big ship" by the required margin.
Some airports (e.g. Boston-Logan) also have published restrictions on some approaches/changes to approach minima if there are "tall vessels" reported in the approach area.