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Get COLREGs Sound & Signals old version APK for Android
ColRegs rules 34 to 37 and annex IV
Learn the ColRegs sound and light signals.
This app helps you learn ColRegs rules 34 to 37 and annex IV.
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What's New in the Latest Version 1.9
Last updated on Sep 4, 2023
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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COLREGs Sound & Signals
1.9 by madeof.blue
Sep 4, 2023