7.3.1 A petrol engine may be accepted provided
that the engine is a suitable outboard type.
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7.3.1.1 A vessel of any type may be fitted with
a small engine (usually less than 5 horse power) manufactured with
an integral fuel tank, provided a safety warning sign is displayed
with details of appropriate precautions to be taken when filling the
fuel tank.
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7.3.1.2 Vessels other than inflatable boats should
supply fuel to the engine from either;
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.1 a permanently installed fuel tank constructed
to an appropriate standard (see Standards Annex
13) and in the case of vessels fitted with a watertight weather
deck shall have arrangements such that spillage during fuel handling
will drain directly overboard; or
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.2 a portable tank of 27 litres or less in capacity
complying to an appropriate standard (see Standards
Annex 13).
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7.3.1.3 Inflatable boats should supply fuel to
the engine from a portable tank of 27 litres or less in capacity complying
to an appropriate standard (see Standards Annex
13).
7.3.2 In locations where an accumulation of hydrocarbon
vapours is likely to occur, a suitable hydrocarbon gas detector should
be fitted under or adjacent to the tank (located in a safe place).
The detector components, and any other electrical equipment residing
in the vapour area should not be capable of causing ignition.
7.3.3 A vessel should be provided with sufficient
fuel tankage for its area of operation, spare portable petrol containers
must not be carried onboard unless it is judged to be essential to
assure the safe completion of a voyage or excursion (see Section 7.7).
7.3.4 Attention is drawn to the electrical arrangement
requirements (Section 8.6).