Ok this may not be a SAR mission. From info given during their last check in it appears as if they are tracking something.They stated they are still tracking at this time and are requesting if there is any further traffic from Greenwood.
CFB Greenwood
Canadian Forces Base Greenwood, Nova Scotia, Canada. Primarily operated as an air force base by Canadian Forces Air Command and is one of two bases in the country using the CP-140 Aurora anti-submarine/maritime patrol and surveillance aircraft.