1.  Much of this business involves retrofitting existing planes.

2.  All existing planes have been modified and new planes include the new de-icing systems.

3.  Daimler has said it will ensure FAS thrives to keep servicing existing planes.

4.  The board of directors had just bought a new fleet of De Havilland aircraft to complement its existing planes and it expected results.

5.  The savings will help Liat purchase new aircraft and refurbish existing planes, Hadeed said.

6.  They have complained Boeing is more interested in building new versions of existing planes than tackling completely new aircraft designs.

7.  While the industry rejected the major changes for existing planes, the group may issue strict design rules for new aircraft.

8.  The military has bought just a few new planes over the last decade, and has been unable to properly maintain existing planes or train pilots.