1.  FAA officials say they found no instances where unsafe planes were flown.

2.  FAA officials said they did not discover that any unsafe planes had been released for passenger service, but they were still concerned by their findings.

3.  The airline has denied that any unsafe planes were put into service.

4.  Some aviation officials say the aircraft, the workhorse of airlines of the former Soviet Union, is an unsafe plane.

5.  Some aviation officials have contended that the aircraft, the workhorse of airlines of the former Soviet Union, is an unsafe plane.

6.  Unreliable air support from unsafe planes.