Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.183.590 Fire test

(a) A piece of equipment is tested under the following conditions and procedures:

(b) Each fire test is conducted with free burning heptane and the component must be subjected to a flame for 2 1/2 minutes.

(c) If the component is tested in a fire chamber:

(d) If the component is being tested as installed on an engine, heptane sufficient to burn 2 1/2 minutes must be poured over the component and allowed to run into a flat bottomed pan under the engine. The pan must be large enough to permit the perimeter of the top surface of the heptane to extend beyond the vertical projection of the perimeter of the engine.

(e) If a fuel tank is being tested in an actual or simulated hull section, the actual or simulated hull section must be of sufficient size to contain enough heptane to burn for 2 1/2 minutes in a place adjacent to the tank.