Section 15 in The Merchant Shipping (Examination Of Engineers In The Merchant) Navy Rules, 1963
15. Sea Service.
- Candidates for a Second Class Certificate of Competency must, in addition to the above requirements, have completed the following period of sea service :(a)For a Steam Certificate, 21 months, of which is least nine months must have been spent on the boilers and main propelling machinery of a steamship.This period of at least nine months must have included at least six months service on the boilers and six months' service on the main propelling machinery, but the service on the boilers and on the main propelling machinery may have been simultaneous.The remaining twelve months (or balance of twelve months) may have been spent on the boilers of a steamship, or on the main propelling machinery of a steam or motor ship, or on suitable auxiliaries of a steam or motor ship (See rule 27) or on day work [See rule 17 (a)].(b)For a Motor Certificate, 21 months, of which at least six months must have been on the main propelling machinery of a motor ship.The remaining 15 months (or balance of 15 months) may have been spent on the main propelling machinery of a stem or motor ship, or on suitable auxiliaries of a steam or motor ship (See rule 27), or to the extent of not more than six months on the boilers of a steamship, or on day work [See rule 17 (a)].(c)For a Combined Steam and Motor Certificate, 24 months, of which at least :(i)Nine months must have been spent on the boilers and main propelling machinery of a steamship.This period must have included at least six months' service on the boilers and six months' service on the main propelling machinery, but the service on the boilers and main propelling machinery may have been simultaneous; and(ii)Six months must have been spent on the main propelling machinery of a motor ship.The remaining nine months (or balance of nine months) may have been spent on the boilers of a steamship or on the main propelling machinery of a steam or motor ship or on suitable auxiliaries of a steam or motor ship (See rule 27), or on day work [See rule 17 (a)].
