 Australia
Airlines of Western Australia
Bay of Plenty Airlines
MacRobertson Miller Airlines
Mandated Airlines
Northern Territory Medical Service
Royal Flying Doctor Service
Southern Airlines
 Bahrain
Gulf Aviation
 Belgium
BIAS
SABENA
 Burma
Union of Burma Airways
 Chile
LAN-Chile
 Gambia
West African Airways Corporation
 Germany
LTU
 Ghana
West African Airways Corporation
 India
Airways (India) Limited
Indian National Airways
Government of Madras
 Iraq
Iraq Petroleum Company
 Japan
Nippon Helicopter and Aeroplane
Far East Airlines
 Kenya,  Uganda,  Tanganyika and  Zanzibar
East African Airways
 Netherlands
Martinair (then called Martin's Air Charter)
 Nigeria
West African Airways Corporation
 Southern Rhodesia
Central African Airways
 Portugal
SATA - Sociedade Açoreana de Transportes Aéreos
Portuguese Angola
AERANGOL - Aeronaves de Angola
ETASA - Empresa de Transportes Aéreos do Sul de Angola
SATAL - Sociedade Anónima de Transportes Aéreos
Portuguese Cape Verde
ACCV - Aero Clube de Cabo Verde
TACV - Transportes Aéreos de Cabo Verde
Portuguese Mozambique
DETA - Divisão e Exploração de Transportes Aéreos
Portuguese Timor
TAT - Transportes Aéreos de Timor
 Sierra Leone
West African Airways Corporation
 South Africa
Comair (South Africa) operated 2 aircraft.

South African Airways
 Sudan
Sudan Airways
 United Kingdom
Airviews Ltd
BOAC (for training and communications)
Bristow Helicopters
British Midland
British Westpoint Airlines
Channel Airways (scheduled services)
Dan-Air (scheduled services)
Hunting-Clan Air Transport
Macedonian Aviation
Melba Airways
Morton Air Services
Olley Air Services
Silver City Airways
CAA Flying Unit
 United States
Air Wisconsin
Apache Airlines
Catalina Airlines
Golden Isles Airlines
Gulf Coast Airways
Illini Airlines
Midwest Air Charter
National Test Pilot School
Statewide Airlines
Superior Airlines
TAG Airlines
 Australia
Airlines of Western Australia
Bay of Plenty Airlines
MacRobertson Miller Airlines
Mandated Airlines
Northern Territory Medical Service
Royal Flying Doctor Service
Southern Airlines
 Bahrain
Gulf Aviation
 Belgium
BIAS
SABENA
 Burma
Union of Burma Airways
 Chile
LAN-Chile
 Gambia
West African Airways Corporation
 Germany
LTU
 Ghana
West African Airways Corporation
 India
Airways (India) Limited
Indian National Airways
Government of Madras
 Iraq
Iraq Petroleum Company
 Japan
Nippon Helicopter and Aeroplane
Far East Airlines
 Kenya,  Uganda,  Tanganyika and  Zanzibar
East African Airways
 Netherlands
Martinair (then called Martin's Air Charter)
 Nigeria
West African Airways Corporation
 Southern Rhodesia
Central African Airways
 Portugal
SATA - Sociedade Açoreana de Transportes Aéreos
Portuguese Angola
AERANGOL - Aeronaves de Angola
ETASA - Empresa de Transportes Aéreos do Sul de Angola
SATAL - Sociedade Anónima de Transportes Aéreos
Portuguese Cape Verde
ACCV - Aero Clube de Cabo Verde
TACV - Transportes Aéreos de Cabo Verde
Portuguese Mozambique
DETA - Divisão e Exploração de Transportes Aéreos
Portuguese Timor
TAT - Transportes Aéreos de Timor
 Sierra Leone
West African Airways Corporation
 South Africa
Comair (South Africa) operated 2 aircraft.
South African Airways
 Sudan
Sudan Airways
 United Kingdom
Airviews Ltd
BOAC (for training and communications)
Bristow Helicopters
British Midland
British Westpoint Airlines
Channel Airways (scheduled services)
Dan-Air (scheduled services)
Hunting-Clan Air Transport
Macedonian Aviation
Melba Airways
Morton Air Services
Olley Air Services
Silver City Airways
CAA Flying Unit
 United States
Air Wisconsin
Apache Airlines
Catalina Airlines
Golden Isles Airlines
Gulf Coast Airways
Illini Airlines
Midwest Air Charter
National Test Pilot School
Statewide Airlines
Superior Airlines
TAG Airlines
De Havilland Dove