OPERATIONS
Vessel-Detection Recall (VDR)
Share of vessels running dark that NEREID actually caught, measured against later-confirmed truth. The honest grade of the dark-running model — a miss is a net in the water no hull was sent to.
Threshold Bands
| Band | Range | State |
|---|---|---|
| Sharp | ≥ 85% | OK |
| Leaky | 70–85% | WARN |
| Missing | < 70% | CRIT |
Formula
Dark-running vessels later confirmed that NEREID flagged ÷ total confirmed.