What are lakes/ponds etc classed as for coding purposes?

[Tim M]

What are lakes, ponds, reservoirs etc classed as for coding purposes? I ask because I was recently asked to provide two boats for a film shoot on a small private lake on a farm. I suggested that we use two coded RIBs, but lost the job because the client wanted to use 2 aluminium "tin fishes". This got me thinking about the coding implications. My understanding is that any boat used commercially on categorised waters, or at sea is required to comply with the relevant code of practise or local authority bylaws etc. But, do the inland bodies of water mentioned above class as categorised waters? If they don't, does that mean they're exempt from licensing – could you use something like a tin fish (obviously with safety kit, appropriate insurance, risk assessments etc in place?)

[Tim M]

Having just done a bit more reading I think I've half answered my question. MCA MSN1827 appears to be a definitive list of categorised waters in the UK (which includes reservoirs). I therefore believe ponds, lakes etc are not classes as categorised waters (perhaps someone can confirm). Based on that, the second part of my question still stands; what legislation (if any) do you have to comply with when operating in a commercial capacity in these areas?

[Poly]

Tim, as I understand it if not categorized and not at sea then it seems no licensing. Obviously have to satisfy normal hse regulation etc then, they are likely to look to the voluntary inland water code (see MCA website) as best practice.