Table:
text: List of aircraft of Canada's air forces
Aircraft listing
Aircraft listing
Name_ _1968_CF_designator Place_of_manufacture Primary_roles Service_period _used_
AgustaWestland CH-149 Cormorant CH-149 UK/Italy Search and Rescue helicopter 2000–current 15
Airbus Polaris CC-150 France transport/tanker 1992–current 5
Airco DH.4 n/a UK bomber 1920–1928 12
Airco DH.9A n/a UK bomber 1920–1929 12
Airspeed Horsa n/a UK glider troop transport 1948–1950 3
Airspeed Oxford n/a UK trainer (navigation, bombing & radio) 1939–1947 819
Armstrong Whitworth Atlas n/a UK army co-operation 1927–1942 16
Armstrong Whitworth Siskin n/a UK fighter 1926–1940 12
Auster AOP6 & T7 n/a UK air observation post 1948–1958 42
Avro 504 n/a UK trainer 1920–1934 97
Avro 552 Viper n/a Canada forestry patrol 1924–1928 14

text: List of aircraft of Canada's air forces
Aircraft listing
Aircraft listing
Name_ _1968_CF_designator Place_of_manufacture Primary_roles Service_period _used_
de Havilland Vampire n/a UK fighter 1946–1958 86
de Havilland Canada Buffalo CC-115 Canada transport 1967–current 15
de Havilland Canada Caribou CC-108 Canada transport 1960–1971 9
de Havilland Canada Chipmunk CT-120 Canada elementary trainer 1948–1972 100
de Havilland Canada Dash 7 CC-132 Canada transport 1979–1987 2
De Havilland Canada Dash-8 CT-142 Canada transport/trainer 1989–current 6
de Havilland Canada Otter CSR-123 Canada transport 1953–1984 69
de Havilland Canada Twin Otter CC-138 Canada transport 1971–current 9
Douglas Boston n/a US bomber 1941–1945 3
Douglas Dakota CC-129 US transport 1943–1990 169
Douglas Digby n/a US bomber 1939–1946 20
Douglas MO-2B n/a US utility/patrol 1927–1930 1

Question: Where are more avro 504s or douglas digbys among the list of canadian air force aircraft?