enstrompilot
Looks like an interesting place to be. May I offer the following advice based on a few yrs of landing on and shutting down on offshore platforms.
Plan your sortie thoroughly bearing in mind the following:-
1. Brief yourself on the weather at the platform - wind direction being the most critical - is it going to stay in the same direction and speed while you are out there.
2. The approach is relatively easy if you use the constant angle style of approach. Give yourself a decision point where you are committed to land - if you don't like the approach go round before this point. This may also be the point, should you have an engine failure you can still make the deck, before this an auto into the sea may be safer as landing short is not an option as you will wipe yourself out on the deck edge or leg.
3. Take off should be with the edge of the disc at the deck edge with a positive application of power giving you a vertical ascent - at a suitable height (in my case 20ft in a twin) positively lower the nose and transition away. This should keep the tail away from the deck edge should the engine fail after rotation - but you will still be in a dicey position as you try to auto onto the sea.
4. While on the deck and shut down do you have tie downs and blade ties as the wind offshore can be quite strong and we have had at least one helicopter blown over while left on deck, not tied down, due to a squall going through changing the wind by 90deg and doubling its' speed.
5. Do you have a plan to get off the platform if the helicopter is u/s on start? My company does not allow us to shutdown if the installation doesn't have a crane capable of lifting the helicopter off the deck onto a supply boat and this does happen!!
6. Stock up with food and water - just in case you are stranded. Only last week while starting up offshore the fog came in and 3ml viz became 20yds in about 5 mins
but we have a fully stocked galley (and sat TV)
Good luck anyway
HF