Some Hurricane Hunters have lost their jobs to computer systems in the new airplane, which has a computer that takes the place of the flight engineer and does much of the navigator's work.
Two critical equipment shortfalls have kept the Hurricane Hunters from using the J-model routinely in storms. The radar was designed to help the aircraft avoid bad weather, while the Hurricane Hunters need a radar that can see through storms. And the lighter, six-bladed composite propellers receive damage when flown through hail, which is sometimes necessary for Hurricane Hunters.
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http://www.sunherald.com/mld/sunherald/9815752.htm