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Master-Nav: COLREGS IALA Tests — App Store rankings
Peterjohn Chisholm · Education · View on the App Store
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Master-Nav: COLREGS IALA Tests is a free practice app developed by a Master Mariner with 30 years of seagoing experience. Test your knowledge of the USCG Navigation Rules and IALA Maritime Buoyage System — the regulations every mariner needs to know. A straightforward way to find out where you… Read the full description on the App Store
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