The pilot or engineer of any powercraft for hire to carry passengers shall not permit passengers to come aboard before the engine of such powercraft has been permitted to run for a minimum of two minutes.
Ohio Rev. Code Ann. § 1547.23
Warming-up engine
Effective: August 5, 1959; Latest Legislation: House Bill 708 - 103rd General Assembly
Official source: Ohio Laws & Administrative Rules (Legislative Service Commission). Reproduced from public-domain Ohio statutes; confirm against the official source for the current text. Not legal advice.