1.   In late afternoon the return flight begins.

2.   The flight began in July but was delayed for two weeks until early August following initial problems with take-off at high altitudes.

3.   And as planned, the FAA will begin enforcement of a curfew on Grand Canyon tour flights beginning in May.

4.   Before manned test flights could begin, the Soviet Union crashed.

5.   Boeing argues that its extensive laboratory and flight-testing programs are establishing a viable track record before commercial flights begin.

6.   According to the Marine Corps, the doomed flight began uneventfully.

7.   After the ascent, the ride veers to the right and your flight begins.

8.   But the new flights began to swamp the airport.

9.   Critics disputed his data, saying that white flight had begun long before busing, and attacked his motives, saying he had abandoned his commitment to desegregation.