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Zig-Zag Overshoot - IMO Check

First overshoot in a 10°/10° zig-zag manoeuvre compared to IMO A.751 / MSC.137(76) pass limits.

Zig-zagIMO A.751Manoeuvring
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Formula, assumptions, and limits

α1f(L/V)\alpha_1 \leq f(L/V)
SymbolMeaningUnit
L/VL/VLength-speed ratio (ship-lengths per second)s
α1\alpha_1First overshoot angledeg

Source: IMO MSC.137(76) / Res. A.751(18)

In short

First overshoot in a 10\u00b0/10\u00b0 zig-zag manoeuvre compared to IMO A.

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