An integral tank must not be designed for a temperature colder than -10 °C (14 °F), unless the tank is specially approved by the Commandant (CG-ENG).
46 C.F.R. §154.418
An integral tank must not be designed for a temperature colder than -10 °C (14 °F), unless the tank is specially approved by the Commandant (CG-ENG).
46 C.F.R. §154.418