Alaska Statutes Title 12. Code of Criminal Procedure § 12.25.033. Arrest without warrant for operating vehicle while under the influence of an alcoholic beverage, inhalant, or controlled substance

A peace officer may arrest a person without a warrant, whether or not the offense is committed in the presence of the officer, when the officer has probable cause to believe that the person to be arrested has committed the crime of operating a motor vehicle, an aircraft, or a watercraft in violation of AS 28.35.030 or a similar city or borough ordinance, if the violation is alleged to have occurred less than eight hours before the time of arrest.