International Surveys: Archived Survey Forms Air 2016-2021 BE-37 (U.S. operator) 2016-2021 BE-9 (foreign operator) 2012-2015 BE-37 (U.S. operator) 2012-2015 BE-9 (foreign operator) 2004-2007 BE-37 (U.S. operator) 2004-2007 BE-36 (foreign operator) 2004-2006 BE-9 (foreign operator) 1996-2000 BE-37 (U.S. operator) 1996-2000 BE-36 (foreign operator)