MT2019 – Decompression Tables (MT92)

Regulatory referenceAir / O₂ / Nitrox

Regulatory context

The French regulation (MT2019) references the annexed tables of the 14 May 2019 Order (mention A). The mention B text points to these annexes and forbids extrapolation.

Ref: Official Journal no.120 (24 May 2019) – article 8; your uploaded JO PDF. Pedagogical MT92 excerpts: Plongée Plaisir.

Table 1 – No-decompression limits (NDL)

Depth12h pre-dive interval6h4h
9 m360 min330 min300 min
21 m35 min25 min20 min
30 m15 min10 min5 min

Faithful MT92 excerpt. Use full tables for real planning.

Table 3 – Air / Standard (excerpt)

Bottom timeAscent to first stop18 m15 m12 m9 m6 m3 mTotal decoSuccessive dive
15 min2:30------2:30Allowed
30 min2:15-----1012:15Allowed

Table 4 – Air / O₂ / 6 m (excerpt)

Bottom timeAscent to first stop18 m15 m12 m9 mO₂ 6 mTotal decoSuccessive dive
20 min2:00----35:00Allowed
30 min2:00----57:00Allowed

Sources