BNWAS - Dormancy-Alert Timing

Bridge Navigational Watch Alarm System - dormancy period then stage 1 → 2 → 3 alarm per SOLAS V Reg. 19.2.2.3.

BNWASSOLAS VWatch

Dormancy periodmin

Stage 1 (reset only): 12.0min

Stage 2 (bridge audible + visual): 12.5min

Stage 3 (master/ship-wide): 13.5min

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{Stages} = t_{dorm}, t_{dorm}+0.5, t_{dorm}+1.5

Symbol	Meaning	Unit
$Dormancy$	Period before first reset prompt	min

Source: SOLAS V Reg. 19.2.2.3

In short

Bridge Navigational Watch Alarm System - dormancy period then stage 1 \u2192 2 \u2192 3 alarm per SOLAS V Reg.

Learn the theory SOLAS Convention