ARLINGTON, Va., June 10 (Reuters) - US Airways Group Inc. (U), battling to stay in the skies after taking a hit from the Sept. 11 attacks, said on Monday it reached a pact with the Air Line Pilots Association (ALPA) that will allow it to spread its regional jet aircraft business across the United States. The deal is a major milestone for US Airways as it put to rest concerns among pilots who perceived regional jet aircraft services as making them work more without any incentives. US Airways Express carrier PSA Airlines currently operates a fleet of 30 Dornier 328 turbo-prop aircraft, serving 30 destinations centered in the Ohio Valley and in the eastern United States. PSA Airlines' previous agreement with ALPA did not include provisions for the operation of regional jet aircraft. In April US Airways and ALPA had agreed to increase the number of regional jets within its US Airways Express network from 70 to 140. The latest agreement between PSA Airlines and ALPA is for regional jet flying to be undertaken by US Airways pilots. US Airways said it is currently evaluating aircraft types, and will be making a decision shortly on its selection of regional jet equipment, delivery schedules and the number of aircraft that will be deployed in PSA Airlines. US Airways President and Chief Executive Officer Dave Siegel said in a statement the airline is also "in active negotiations" with regional jet manufacturers and credit providers to secure the necessary capital required to obtain more regional jet aircraft. PSA Airlines, based in Dayton, Ohio, employs more than 1,500 staff and currently operates 200 daily departures. PSA Airlines is one of three wholly owned US Airways Express carriers, which, together with seven other affiliate carriers, currently operate more than 2,200 US Airways Express flights daily, serving 162 destinations in the United States, Canada and the Caribbean. Shares of US Airways -- which earlier on Monday asked the government to guarantee 90 percent of a $1 billion loan that it would use to help salvage its business -- ended off 4 cents, or 1.27 percent, at $3.10. ©2002 Reuters Limited.