The NTSB said tests performed after the fatal crash found that steel in the CL-600 contained ‘elements commonly found in a sea salt environment.’
A spate of weather-related incidents at an airport above the Arctic Circle prompted Norwegian authorities to order an analysis of past weather and predictions for the future.
Secretary general says radio frequency jamming and sophisticated weapons are among military threats.
The effectiveness of voluntary safety reporting systems depends on the belief that reporting will produce a meaningful response.
Norwegian investigators cited failure of the S92’s pitch actuator in the North Sea accident, which killed the flight nurse.
