travel with certificate of travel

hi is anybody who is flying with ryanair on certificate of travel, because i am finding just this one
THE ONLY FORMS OF TRAVEL DOCUMENTS ACCEPTED ON RYANAIR FLIGHTS ARE:

A valid passport – (see below - */and ** below)
A valid National Identity Card issued by the government of a European Economic Area (EEA) country. (Only the following EEA countries currentlyissue National Identity Cards acceptable for carriage on Ryanair flights: Austria, Belgium, Bulgaria, Finland, France, Germany, Gibraltar, Greece, Cyprus, Czech Republic, Estonia, Hungary, Italy, Liechtenstein, Lithuania, Luxembourg, Netherlands, Malta, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland)
A valid German Government issued ‘Kinderausweis’ travel document
A valid Italian ‘Certificato Di Nascita’ with photo (for use by children under 16 years) which has been endorsed as ‘VALIDO PER L'ESPATRIO’ for travel on international flights, no endorsement is required when travelling on Italian domestic flights.. It is the passenger's personal responsibility to ensure that this document meets the requirements of immigration and other governmental authorities at the destination airport - see ** below.
A valid Italian AT/BT card (for Italian domestic flights only).
A valid UN Refugee Convention Travel Document – (issued in accordance with Article 28(1) of the 1951 UN Convention, by a Government in place of a valid passport.)
A valid Convention Travel Document – (issued in accordance with Article 27 of the 1954 UN Convention for Stateless Persons, by a contracting state in place of a valid passport)
A valid Collective Passport issued by an EU/EEA country
* It is acceptable for children under 16 to travel on the valid passport of the parent with whom they are travelling, if they are included on that passport.