A good S.A.R. dog will be obedient, trainable, and have excellent smell senses. Most dogs have more than 200 Million scent receptors compared to 5 Million in a human.
Here is a list of of good breed choices for search and rescue:
Belgian Malinois, 225 M scent receptors
Labrador Retriever, 300 M scent receptors
Basset Hound, 220 M scent receptors
Coonhound, 300 M scent receptors
Bloodhound, have 300 Million scent sensors.
Beagle, 220 M scent receptors
German Shepherd, 225 M scent receptors
Dachshund. 125 M scent receptors
Best Dog Breed for Squirrel Hunting
Difference Between AKC and CKC Registered Dogs
Best dogs for off leash hiking.
Pictures of dogs rescuing: