1.  The first crash involving the D model came less than three years after the Boeing memo.

2.  The latest model of the Apache, the Longbow or D model, has a maintenance data recorder that should solve that problem, Armour said.

3.  Then, less than three years after the Boeing memo, came the first crash involving a D model.

4.  When the program to build the huge transport helicopter was canceled, the Army moved to upgrade its existing transport helicopter, the Chinook, creating a D model.

5.  It is the first international sale of D models.

6.  The conversions and construction of new D models will take place simultaneously.

7.  Thailand is purchasing four single-seat C models and four two-seat D models.