Canada Wants Tougher Helicopter Gearbox Rules
By Graham Warwick graham_warwick@aviationweek.com
WASHINGTON
Canada’s Transportation Safety Board is recommending changes to helicopter gearbox design and certification standards following the fatal March 2009 crash of a Sikorsky S-92A off the coast of Newfoundland.
The board wants certification rules changed to require all S-92As to be able to fly for 30 min. after the loss of main gearbox oil, and for the FAA to assess whether a 30-min. ...