TACK GUIDE

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COG

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TWA

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TWD

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TWS

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AWA

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waiting for data

OPTIMAL After TACK:

BEST VMC AFTER TACK/GYBE

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— TWA · — kt TWS

Adjust now (best VMC, this tack)

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— kt closing mark

Acceptable range (polar limits)

FASTER — ° —

VMG — ° —

MARK (TRIANGULATED)

—°

Bearing observations

Host

Port

Add bearing to mark

degrees

from current GPS position · need 2+ for triangulation