The program does not solely take into account the response by Canadian Coast Guard vessels. The closest ships will respond to the call, whether they belong to the coast guard, National Defence, fishermen, or an industrial ship, could also respond.
If it is a large-scale emergency, the search and rescue coordination centres will identify it as such. This is an interdepartmental group. Which ship is closest and can respond the fastest? It becomes a question of fastest response time. If it takes about half an hour for a given vessel to reach the site, that ship will obviously be asked to respond. We will not ask a Canadian Coast Guard vessel to respond, even if it is available, if it takes that ship an hour to reach the site. Furthermore, we also use National Defence helicopters. As I have already mentioned, this is a rescue network. The calculation is based on the efficiency of the entire network, and not on each of the parts.