Section 167.20-10 - Means of escape(a) On all nautical school ships where the arrangements will possibly permit, all enclosures where persons may be quartered, or where anyone may be employed, shall be provided with not less than two avenues of escape, so located that if one of such avenues is not available another may be.CGFR 51-11, 16 FR 3218, Apr. 12, 1951, as amended by USCG-2014-0688, 79 FR 58286, Sept. 29, 2014