>>47
ちょと古い資料だか、この子供向けの本を参考にするといいですよ。
you can learn about ships and seamanship, boats and watermanship,
seas, tides, charts, pilotage, lookout work on the coast, saving life,
flag signalling and morse semaphore.
http://www.seascout.org/about/ssfb.html