DNV SILENT tiers by application: SILENT-A (seismic), SILENT-F (fishery research), SILENT-R (scientific research), SILENT-E (environmental).
Formula
$$ \text{URN}\text{measured} \leq \text{Limit}\text{tier} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $SILENT-A/F/R/E$ | DNV tier letters | - | DNV Rules Pt.6 Ch.24 |
Sources
- DNV Rules Pt.6 Ch.24 - SILENT.
- ICES CRR 209 (2005).