Section 31 in The Merchant Shipping (Examination Of Engineers In The Merchant) Navy Rules, 1963
31. Lake or river service.
- Service as watch-keeping engineer in lake or river vessels will be accepted under the following conditions fora Steam or Motor Certificate, or a combined Steam and Motor Certificate, and will be counted at half rate (i.e., two months of lake or river service will be regarded as equivalent to one month foreign-going sea service) provided that :(a)in the case of a candidate for a Second Class Certificate, the service has been performed in lake or river steam vessels of not less than 66 nominal horse-power and/or motor vessels of not less than 373 brake horse-power, and the candidate has had, in addition to his lake or river service, at least three months' qualifying service at sea in a foreign-going ship of the equivalent service in the home-trade; or(b)in the case of a candidate for a First Class Certificate, the service has been performed in lake or river steam vessels of not less than 99 nominal horse-power and/or motor vessels of not less than 560 brake horse-power, and the candidate has had, in addition to his lake or river service [*] [The conditions under which sea service must be performed in order to count towards the qualifying periods for Second and First Class Certificate are set out in rule 15 et. seq.], at least six months' qualifying service' at sea in a foreign-going ship or the equivalent service in the home trade.
