He maikaʻi ka lana ʻana o ka ʻaʻahu ola i ka wai, ʻaʻole e komo i loko o ka wai, maʻalahi ke kau a wehe, ʻaʻole ia e hoʻopilikia i nā hana kino o kānaka, a hiki ke hōʻoia i ka palekana o ka poʻe ma luna o ka wai. Loaʻa i ko mākou pūʻali koa kahi ʻaʻahu ola ʻano pālule. ʻO ka papa pale wai ma luna o ka ʻili he lipine ʻaoʻao pālua i hana ʻia me ka laholio kūikawā. Aia he 4 mau ʻeke lana i piha i ka kapok ma ke alo a ma hope. ʻO ke kaumaha holoʻokoʻa he 1.5 kg wale nō, akā hiki iā ia ke hana ma mua o 16 kg o ka lana ʻana, e ʻaʻahu ana kekahi koa i lako pono ʻia a lana ma ke kai, ʻaʻole e ʻoi aku ka ʻili o ka wai ma mua o nā poʻohiwi. ʻOiai inā ua haehae ʻia ka ʻaʻahu ola, nui nō ka lana ʻana.

Ma waho aʻe o ka hoʻoulu ʻana i ka lana nui ʻana, loaʻa i ka ʻaʻahu hoʻopakele pailota o ka Naval Air Force nā waiwai o ka ʻike maʻalahi a me ke kūʻē ʻana i nā manō. ʻO kēia ʻano ʻaʻahu hoʻopakele he ʻano ʻaʻahu komo pū kekahi. Ma waho aʻe o nā ʻeke lana ʻehā i piha i ka kapok ma kona umauma, aia kekahi paipu puhi ma ka ʻaoʻao e puka ana o ka ʻeke lana. i waho i ke kai.
ʻO ke kapa ola, i ʻike ʻia hoʻi he ʻaʻahu ola, he ʻano lole hoʻōla ola, i hoʻolālā ʻia e like me ka ʻaʻahu, i hana ʻia me ka lole nylon a i ʻole neoprene (NEOPRENE), mea buoyancy a i ʻole mea inflatable, mea reflective, a pēlā aku. ʻO ke ola lawelawe maʻamau he 5-7 mau makahiki, a ʻo ia kekahi o nā lako hoʻōla ola ma nā moku a me nā mokulele. ʻO ke ʻano maʻamau o ka ʻaʻahu, i hana ʻia me ka plastic foam a i ʻole cork. Loaʻa iā ia ka lawa o ka buoyancy e komo ai ma ke kino, i hiki i ke poʻo o ke kanaka e piholo ana ke kū i waho o ka wai.