16.1.1 Methane (LNG) is the
only cargo whose vapour or boil-off gas may be utilized in machinery
spaces of category A and in such spaces may be utilized only in boilers,
inert gas generators, combustion engines and gas turbines.
16.1.2 These provisions do
not preclude the use of gas fuel for auxiliary services in other locations,
provided that such other services and locations should be subject
to special consideration by the Administration.