Deck : General Navigation - 63/2138
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| In both regions of the IALA buoyage system, which topmark shown in illustration D022NG below is used on a special mark? |
| A) A |
| B) B |
| C) C |
| D) D |
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Illustration D022NG
| Comments |
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| jkorkin - 2022-07-26 17:16:41 Member (19) |
| should be "X" |