1.  Airlines reacted to the slowing economy and decreasing air travel by grounding aging planes.

2.  It is replacing aging planes from McDonnell Douglas, which was acquired last year by Boeing.

3.  Suns officials have been negotiating with airline officials for months, trying to upgrade equip ment on the aging plane.

4.  The FAA said the order falls under a program to ensure the structural safety of aging planes.

5.  Air safety on Russian airlines has declined dramatically since the Soviet breakup due to lack of money, poor maintenance and aging planes.

6.  Airlines are strapped for money and stuck with aging planes.

7.  Cash-strapped airlines often fly aging planes and skimp on maintenance to cut costs.

8.  Laos, too, has been forced to look abroad as it discards its aging Soviet planes.

9.  Like other air carriers across the former Soviet Union, Kazakstan Airlines has been hamstrung by debt, safety concerns and aging planes.

10.  The aging planes come relatively cheap.