A 30-month program is expected with flight testing beginning within one year.

Early on the department's focus was flight testing and training.

Flight testing began in 1937, and a small number were produced.

Its not a common practice outside of flight testing, she explained.

Flight testing of those aircraft is to begin in 1995.

Equally telling is the number of hours spent on flight testing.

After much modification, flight testing began at the end of 1951.

Flight testing of both companies' aircraft continued until July 2001.

Flight testing began in 1933 with acceptable results, leading to a production order for 79.

In June, the 777 is expected to take off for the first time, beginning a rigorous year of flight testing.