49 CFR Part 238
§ 238.423 — Fuel tanks
FRA Part 238 · Subpart E — Specific Requirements for Tier II Passenger Equipment. Full current text with cross-references on BuildSpec.
§ 238.423 Fuel tanks. (a) External fuel tanks. Each type of external fuel tank must be approved by FRA's Associate Administrator for Safety upon a showing that the fuel tank provides a level of safety at least equivalent to a fuel tank that complies with the external fuel tank requirements in § 238.223(a). (b) Internal fuel tanks. Internal fuel tanks shall comply with the requirements specified in § 238.223(b).
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