The bilateral WTO Agreement on Trade in Large Civil Aircraft (TLCA) of 1992 regulated the permitted levels of support for the European and American aviation industries. In October 2004, the US unilaterally withdrew from the TLCA, right as Boeing was about to lose its market leader status....

The bilateral WTO Agreement on Trade in Large Civil Aircraft (TLCA) of 1992 regulated the permitted levels of support for the European and American aviation industries. In October 2004, the U.S. unilaterally withdraw from the TLCA, right at the time of Boeing's then-impending loss of market...