Safran Transmission Systems acheives billion hours of flight record MRO Business Today 01:31 Safran Transmission Systems acheives billion hours of flight record Safran Transmission Systems achieves a milestone of billion hours of flight on its power transmission systems since the entry into service of the first aircraft powered by the CFM56-2 engine – a McDonnell Douglas DC-8 – in April 1982 Share this Share on FacebookTweet on TwitterPlus on Google+