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Flotation
Summary of Level Flotation Performance
Requirements & Tests
Each boat subject to compliance with Level Flotation
must have sufficient flotation so that after pre-conditioning,
the boat will pass the following requirements (Read section
183.220):
1. Flotation Test
2. Stability Test
3. Level Flotation Test
The boat, if selected for testing by the USCG,
will be prepared and tested as this Guideline describes, and
pre-conditioning the boat is a very important part of the
test.
The manufacturer can:
- Perform the tests in-house;
- Hire an independent firm to perform tests
and report results; or
- Take advantage of the USCG program, as they
will perform these tests free of charge.
Test One: Flotation Test
Performance requirements:
Following the pre-conditioning and loading (see
Preconditioning), the boat
has to meet requirements a, b and c of CFR 183.225
FEDERAL LAW
183.225 - Flotation test for persons
capacity
Flotation standard. When the conditions
prescribed in Sec. 183.220 are met, the boat must float
in fresh, calm water as follows:
(a) The angle of heel does not exceed
10 degrees from the horizontal.
(b) Any point on either the forward or
aft reference area is above the surface of the water.
(c) The reference depth at the reference
area that is opposite the reference area that is above
the surface of the water is 6 inches or less. |
FIGURE
5.8 - Flotation Test
FIGURE
5.9 - Reference Area
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