A Private Pilot License (PPL) or, in the Unite States, a Private Pilot Certificate, is a qualification that permits the holder to act as the pilot of an aircraft privately, i.e. not for remuneration. The basic requirements to obtain the license and the privileges it confers are agreed internationally by ICAO, however the actual implementation varies quite widely from country to country. According to ICAO, it is obtained by successfully completing a course of flight training of at least 40 hours duration (45 in the UK), passing a number of theory exams, and successfully demonstrating flying skills to an examiner during a flight test or checkride. The typical minimum age for a Private Pilot Certificate is 17 (though other types of certifications differ in age minimum)