Narrative:

Aircraft temporary registration expired. Date on registration was slightly unreadable and was flown with the expired registration. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was a champion citabria and was a rental aircraft. The reporter said that the registration was not checked until the aircraft was in-flight. The reporter stated the FAA has made no contact with the reporter.

Google
 

Original NASA ASRS Text

Title: A CHAMPION CITABRIA WAS OPERATED WITH THE ACFT REGISTRATION EXPIRED.

Narrative: ACFT TEMPORARY REGISTRATION EXPIRED. DATE ON REGISTRATION WAS SLIGHTLY UNREADABLE AND WAS FLOWN WITH THE EXPIRED REGISTRATION. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS A CHAMPION CITABRIA AND WAS A RENTAL ACFT. THE RPTR SAID THAT THE REGISTRATION WAS NOT CHKED UNTIL THE ACFT WAS INFLT. THE RPTR STATED THE FAA HAS MADE NO CONTACT WITH THE RPTR.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.