A Canadian Forces CH-146 Griffon utility helicopter is seen in flight from Kandahar Air Field (KAF) to Arghandab district in Kandahar province on Oct. 18, 2010. (Massoud Hossaini/AFP via Getty ...

Multiple types of new rotary aircraft will be needed to replace the Royal Canadian Air Force’s existing Griffon helicopter fleet, the conference was told. The officer added the helicopters will ...