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Flotation
Modified Level Flotation
FEDERAL LAW
183.302 - Flotation requirements
Each boat to which this subpart applies
must be manufactured, constructed, or assembled to pass
the stability and flotation tests prescribed in Secs.
183.325 (a), 183.330
(a), and 183.335 (a) . |
Boats requiring Modified Level Flotation shall
be fitted with buoyant materials or acceptable flotation systems
in at least the minimum quantities determined below.
Void compartments within the hull shall not
be included as part of the flotation material. However, boats
with outboard engines of 2 HP or less, as well as manually
propelled boats, may use integral air chambers. For testing
purposes, these need not be punctured or disabled, nor do
the non-integral air chambers used in these same boats.
A special situation for Modified Level Flotation
exists when there is a need to determine the flotation materials
necessary for the boat shown in the following example, but
only if it is rated solely for manual propulsion.
Step 1 is the same; step 2 is omitted (no engine); and Step
3 is changed to reflect C = maximum weight capacity with no
deductions. Therefore, Step 4 adds two factors instead of
three. This Guideline presents the calculations for a boat
rated for 2 HP or less, while the example will be different
for a powered boat and for one manually propelled.
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