I don''t live aboard but I am hearing impaired. I don''t think I have to do much to accomodate my problem. For sailing classes, I sought out instructors or schools who are familiar with the problem. The people at Ocean Sailing Academy in Charleston have really helped me out a lot, even though they have no instructors who know sign language. Luckily, the newest digital hearing aids work miracles. The small class size really helped as it afforded a lot more personal instruction. As for radio''s, we just make sure they are turned way up and that my hearing aid batteries are fresh.
It has been so rewarding that I think I''d like to continue with the US Sailing curriculum and try and become a certified instructor concentrating mainly on deaf and hard-of-hearing students. I should give OSA a call about that. Another good excuse to get out on the water and this time, it will all be tax deductable (with my job, it would be).