Spantax required an aircraft with intercontinental range .
Spantax purchased two stretched Douglas DC - 8 - 61CFs from Trans Caribbean Airways in February 1973 , and would go on to operate an additional four of the type .
Requiring an aircraft with intercontinental range , Spantax purchased two stretched Douglas DC - 8 - 61CFs from Trans Caribbean Airways in February 1973 , and would go on to operate an additional four of the type .