21. Though chartered and controlled by an American school, the ships flew a Panamanian flag of convenience . 22. The increasing use of flags of convenience cut deeply into the number of American merchant seamen. 23. This is known as flag of convenience . 24. The flag of convenience game had brought the shipping industry to a state of chaos, Cockcroft said. 25. The ship was flying the flag of Tuvalu at the time, known as flying a flag of convenience . 26. The use of flags of convenience lowers registration and maintenance costs, which in turn reduces overall transportation costs. 27. Thus the sinking of the " Prestige " has exposed the difficulties in regulations posed by flags of convenience . 28. The Japanese government is preparing legal action that would prevent Japanese fishermen from serving on Flag of Convenience vessels. 29. From 1998 to 2005 the vessel was Panama-flagged and currently flies the flag of convenience of the Marshall Islands. 30. Using so-called " flags of convenience , " such as Liberia or Panama, is a common practice in international shipping.
