Twin tanks with manifold and isolator valve
3+ Independent regulators with first and second stages
1 With long hose (2m/7ft.) and LPI
1 With short hose (~55cm/22 in.) and SPG
1 O2 clean with a meter hose and oxygen pressure gauge
1 Regulator per stage tank with meter hose and SPG
1 Decompression tank for 80%, or 100% oxygen, clearly marked and labeled
1+ Nitrox Stage Tanks with at least 1,400 free litres / 50 cf.
2 Wing units, or 1 wing and 1 drysuit
A lift bag with at least 22.5 kg / (50 lb) buoyancy
Wetsuit
Mask and fins
2 Line cutters, or pruning shears
1 Primary Reel or Explorer Reel to enter the wreck
1 Safety reel with a minimum of 40m of line
Dive computer, or stopwatch and depth gauge
Writing board, or wet notes
Waterproof diving table, or second dive computer
2 Directional arrows
Compass