stefan be aware that bill bzuk has made a retirement cottage industry out of ' coffee table aircraft buff conspiracy books' to quote melvin conant his seriously flawed article on the avro arrow can't be improved as as he rolls back any documented research that disagrees with his buff books avro arrow is the only aircraft article on wiki with political black friday airplane models other assorted 'junk ' ignore him if you can reasoning with him is pointless don't let him drive crazy thx