WASHINGTON, July 30 (Reuters) - The U.S. government said on Friday it will post foreign aviation Year 2000 assessments on the Internet starting in September.

Using a variety of information sources, the preparations of foreign governments, air carriers and airports would be examined in light of the end-of-year computer problem, the Department of Transportation (DOT) said in a statement.

DOT said it was heading a Year 2000 civil aviation evaluation process, working with the Federal Aviation Administration (FAA), Defense Department and the State Department.

The Year 2000 problem, or Y2K bug for short, arises because many older computers and their software allocated just two digits for the year in dates.

Without repairs or replacement, some computers will read 2000 as 1900 or just shut down. That raises the possibility that air traffic control and airline ground operations could be disrupted by the problem.

With the FAA, airlines and airports increasingly confident they have conquered the problem at home, U.S. authorities have begun to focus on Y2K hazards facing Americans traveling or working abroad.

``Preparations abroad may vary widely, so we are implementing a plan to provide U.S. travelers with the best possible information,'' Transportation Secretary Rodney Slater said in a statement.