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SOLAS II-2 - Safe Return to Port Time

Safe-Return-to-Port (SRtP) endurance check for passenger ships - minimum 3 hours on each of 13 essential systems after a design casualty.

SRtPSOLAS II-2Passenger
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Formula, assumptions, and limits

t=D/vSRtPt = D / v_{SRtP}
SymbolMeaningUnit
DDDistance to port of refugenm
vSRtPv_{SRtP}Post-casualty service speedkn

Source: SOLAS II-2 Reg. 21-22

In short

Safe-Return-to-Port (SRtP) endurance check for passenger ships - minimum 3 hours on each of 13 essential systems after a design casualty.

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