Profits for Republic Airways Holdings dropped six percent to $19 million for the second quarter, although operating revenues jumped 12.7 percent to $320.3 million. Passenger revenues increased 20.8 percent for the second quarter of 2007 resulting from a 24.1 percent increase in available seat miles (ASMs) to 2.8 billion ASMs, up from 2.3 billion ASMs and a 21.4 percent increase in block hours. These increases reflect the addition of 16 E170/175 regional jet aircraft placed into service since June 30, 2006 and 22 CRJ-200 regional jet aircraft placed into service during the first half of 2007.