WASHINGTON (AP) — Government and aviation industry officials from dozens of countries are meeting in Montreal this week to try to find consensus on how to keep from losing airliners like the one that vanished without a trace in Asia and another shot down in Eastern Europe. The Netherlands wants airlines to tell passengers before takeoff whether a plane's flight path will cross a conflict zone. There also are disagreements about whether database information should be screened before being made public, and how to handle conflicting or inaccurate information. Besides official intelligence, the database is expected to include media reports and other unofficial information. The U.S.