21.   In-flight cell phone calls are illegal because of concerns the signals could interfere with navigational equipment.

22.   Marine pilots are demanding higher wages and better navigational equipment.

23.   Police said the men had navigational equipment and cellular phones, and they suspect they came on a cocaine smuggling mission in two boats found drifting off the coast.

24.   SATA Air Azores, which owned the British Aerospace-built plane, should improve its navigational procedures for crews and install additional navigational equipment, the report recommended.

25.   The air is so highly charged with electricity that radios and navigational equipment are useless.

26.   The cramped capsule is full of sophisticated communications and navigational equipment, including satellite phones and global positioning system equipment.

27.   Villaruel said new radar and other air navigational equipment are being installed and that former pilots are being hired as check pilots as part of the changes.

28.   While authorities refused to speculate on the cause of the tragedy, several aviation experts hinted at pilot or navigational equipment error.

29.   Indian pilots and air traffic controllers have complained to the government that airport authorities should install long-range radar and other navigational equipment immediately.

30.   Indian air traffic controllers say aviation safety could be guaranteed but only after domestic airports install long-range radar and other navigational equipment.

a. + equipment >>共 649
military 6.95%
new 6.11%
medical 5.38%
heavy 4.32%
electronic 3.15%
electrical 2.46%
standard 1.95%
sophisticated 1.68%
special 1.22%
modern 1.19%
navigational 0.30%
navigational + n. >>共 89
aid 10.87%
equipment 9.63%
system 9.01%
error 5.59%
tool 5.59%
device 4.97%
skill 3.73%
beacon 2.48%
datum 2.48%
marker 2.48%
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