div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentletter-20-april-2011-classnk-ia-cs-recommendation-no-53-2-imo-msccirc-1312htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Letter 20 April 2011 - ClassNK · IA CS Recommendation No 53-2 IMO MSCCirc 1312 MSCCirc670 and MSCCirc 798 Fixed foam extinguishing systems should be inspected every two years loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220425215f4c7b45468e72753e6f796chtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentletter-20-april-2011-classnk-ia-cs-recommendation-no-53-2-imo-msccirc-1312htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Letter 20 April 2011 - ClassNK · IA CS Recommendation No 53-2 IMO MSCCirc 1312 MSCCirc670 and MSCCirc 798 Fixed foam extinguishing systems should be inspected every two years loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220425215f4c7b45468e72753e6f796chtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentletter-20-april-2011-classnk-ia-cs-recommendation-no-53-2-imo-msccirc-1312htmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Letter 20 April 2011 - ClassNK · IA CS Recommendation No 53-2 IMO MSCCirc 1312 MSCCirc670 and MSCCirc 798 Fixed foam extinguishing systems should be inspected every two years loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...