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America, Australia and Canada, which are surrounded either by oceans or rough wilderness are the most active proponents of satellite navigation for commercial aircraft.

Judge the following items about the ideas and the linguistic structures of the text above.
The automatic dependent surveillance broadcast would not have prevented the crash into the Atlantic, notwithstanding its technology which combines the precise position of the aircraft with data about its flight number, speed, direction as well as attitude.

Judge the following items about the ideas and the linguistic structures of the text above.
The word "ill-fated" (l.1) is synonymous with doomed.

Judge the following items about the ideas and the linguistic structures of the text above.
The word "wreckage" (l.5) refers to the remaining parts of something that has been wrecked.