1.   Every landing should be made fully held off to ensure a low touch down speed.

2.   Seven times the aircraft made unscheduled landings.

3.   Landings could be made in dimmer evening lights.

4.   But oil leaks, air pressure unit malfunctions and short circuits have produced smoke on flights forced to make unscheduled landings, according to the FAA data.

5.   Donaldson made the landing although he had been shot in both legs and was in great pain.

6.   Federal safety officials refused to speculate about whether the pilot erred in making the landing, although they admitted they may eventually conclude that pilot error was a factor.

7.   For an airliner making a landing, merely close is not good enough.

8.   Four of the six helicopters eventually made emergency landings.

9.   Instead, they said, the pilot should have been allowed to make a landing from his off-course position.

10.   International aviation rules allow pilots in distress to make such landings, he added.