It shall be unlawful to use a recreational vessel unless each PFD required by 4VAC15-430-30 or allowed by 4VAC15-430-40 is:

1. In serviceable condition as provided in 4VAC15-430-70;

2. Of an appropriate size and fit for the intended wearer, as marked on the approval label; and

3. Legibly marked with its U.S. Coast Guard approval number; and

4. Used in accordance with any requirements or restrictions on the approval label.

A. All motorboats or motor vessels, except open boats and as provided in subsections D and E of this section, the construction or decking over of which is commenced after April 25, 1940, and which use fuel having a flashpoint of 110°F, or less, shall have at least two ventilator ducts, fitted with cowls or their equivalent, for the efficient removal of explosive or flammable gases from the bilges of every engine and fuel tank compartment. There shall be at least one exhaust duct installed so as to extend from the open atmosphere to the lower portion of the bilge and at least one intake duct installed so as to extend to a point at least midway to the bilge or at least below the level of the carburetor air intake. The cowls shall be located and trimmed for maximum effectiveness and in such a manner so as to prevent displaced fumes from being recirculated.

B. As used in this section, the term open boats means those motorboats or motor vessels with all engine and fuel tank compartments, and other spaces to which explosive or flammable gases and vapors from these compartments may flow, open to the atmosphere and so arranged as to prevent the entrapment of such gases and vapors within the vessel.

C. Vessels built after No person shall operate a boat built after July 31, 1980, which are manufactured or used primarily for noncommercial use; which are leased, rented, or chartered to another for the latter's noncommercial use; which are engaged in the carriage of six or fewer passengers for consideration; or which are in compliance with the requirements of that has a gasoline engine for electrical generation, mechanical power, or propulsion, unless the boat is equipped with an operable ventilation system that meets the requirements of 33 CFR 183.610(a) through (f) and 33 CFR 183.620(a) as established by the U.S. Coast Guard are exempted from these requirements.

D. Vessels built after July 31, 1978, which are manufactured or used primarily for noncommercial use; which are rented, leased, or chartered to another for the latter's noncommercial use; or which engage in conveying six or fewer passengers for consideration are exempted from the requirements of subsection A of this section for fuel tank compartments that:

1. Contain a permanently installed fuel tank if each electrical component is ignition protected; and

2. Contain fuel tanks that vent to the outside of the boat.

A. Bình chữa cháy xách tay và hệ thống chữa cháy bán xách tay được phân loại theo ký hiệu kết hợp chữ cái và số, chữ cái chỉ loại đám cháy mà bình có thể dập tắt và số chỉ kích thước tương đối của bình.

B. For the purpose of this section, all required hand-portable fire extinguishers and semiportable fire extinguishing systems are of the "B" type; that is, suitable for extinguishing fires involving flammable liquids, and greases, etc.

C. All fire extinguishers must be on board and readily accessible, in good and serviceable working condition, and comply with the following:

1. Nếu bình chữa cháy có đồng hồ đo áp suất hoặc chỉ báo áp suất, thì bình phải nằm trong phạm vi hoặc vị trí có thể vận hành được.

2. Bình chữa cháy không được hết hạn sử dụng hoặc có vẻ như đã được sử dụng trước đó.

3. Chốt khóa đã được cố định chắc chắn.

4. Vòi xả sạch sẽ và không bị tắc nghẽn.

5. The extinguisher does not show shows no visible signs of significant corrosion or damage.

D. Tất cả các bình chữa cháy xách tay và hệ thống chữa cháy bán xách tay phải được gắn cố định một tấm biển kim loại ghi tên sản phẩm, dung tích định mức tính bằng gallon, quart hoặc pound, tên và địa chỉ của cá nhân hoặc công ty được phê duyệt và nhãn hiệu nhận dạng của nhà sản xuất thực tế.

E. D. Vaporizing-liquid type fire extinguishers containing carbon tetrachloride or, chlorobromomethane, or other toxic vaporizing liquids are not acceptable as equipment required by this section.

F. E. Hand-portable or semiportable extinguishers that are required on their by the name plates to be protected from freezing shall not be located where freezing temperatures may be expected.

G. F. The use of dry chemical, stored pressure, fire extinguishers not fitted with pressure gauges or indicating devices, manufactured prior to January 1, 1965, may be permitted on motorboats and other vessels so long as such extinguishers are maintained in good and serviceable condition. The following maintenance and inspections are required for such extinguishers:

1. Khi ngày ghi trên nhãn biên bản kiểm tra bình chữa cháy cho thấy đã sáu tháng trôi qua kể từ lần kiểm tra trọng lượng cuối cùng trên bờ, thì bình chữa cháy đó không còn được chấp nhận là đáp ứng các điều kiện bảo dưỡng bắt buộc cho đến khi cân lại trên bờ và thấy bình vẫn trong tình trạng có thể sử dụng được và nằm trong các điều kiện về trọng lượng yêu cầu.

2. Nếu trọng lượng của thùng chứa ít hơn một phần tư ounce so với trọng lượng được đóng dấu trên thùng chứa thì thùng chứa đó phải được bảo dưỡng.

3. If the outer seals (that indicate tampering or use when broken) are not intact, the boarding officer or marine inspector will inspect such extinguisher to see that the frangible disc in the neck of the container is intact;, and if such disc is not intact, the container shall be serviced.

4. Nếu có bằng chứng về hư hỏng, sử dụng hoặc rò rỉ, chẳng hạn như thấy bột hóa chất khô trong vòi phun hoặc ở nơi khác trên bình chữa cháy, thì phải thay bình chứa bằng bình mới và bảo dưỡng bình chữa cháy đúng cách hoặc thay bình chữa cháy bằng bình chữa cháy được phê duyệt khác.

H. Các G. No dry chemical, stored pressure, fire extinguishers without pressure gauges or indicating devices manufactured after January 1, 1965, shall not be carried on board motorboats or other vessels as required equipment.

A. Every gasoline engine installed in a motorboat or motor, except outboard motors, using gasoline as fuel and installed in a vessel after April 25, 1940, except outboard motors, shall be equipped with an acceptable means of backfire flame control that meets the requirements of 46 CFR 25.35.

B. Installations made before November 19, 1952, may be continued in use as long as they are serviceable and in good condition. Replacements shall comply with any applicable standards established by the U.S. Coast Guard and be marked accordingly. The flame arrester must be suitably secured to the air intake with a flametight connection.

C. Installations consisting of backfire flame arresters bearing basic approval nos. 162.015 or 162.041 or engine air and fuel induction systems bearing basic approval nos. 162.015 or 162.042 may be continued in use as long as they are serviceable and in good condition. New installations or replacements must comply with any applicable standards established by the U.S. Coast Guard and be marked accordingly. The flame arrester must be suitably secured to the air intake with a flametight connection.