I-Oberstar: Izinkampani zezindiza zigebenga abagibeli, akufanele yini uhulumeni anqamule? August 11, 2009
Isikhungo Sokuvakasha saseCapitol: indawo yokungena enkulu noma itshe lesikhumbuzo ngokweqile? December 15, 2008
I-ATA ithi isinqumo sendali ye-DOT sishiya izindiza zingenakho ukukhetha ngaphandle kokuphishekela inselelo yenkantolo October 10, 2008
I-Air Transport Association iwushayela ihlombe umbono wezomthetho we-GAO wokuthi indali ayikho emthethweni October 1, 2008