Pilot Doctor On Board has visited (landed in) a total of 89 countries but have 151 countries yet to explore.
Afghanistan
American Samoa
Angola
Anguilla
Antarctica
Aruba
Azerbaijan
Bahamas, The
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Botswana
Brazil
British Indian Ocean Territory
British Virgin Islands
Brunei
Bulgaria
Burundi
Cambodia
Cayman Islands
Chile
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Cook Islands
Costa Rica
Cuba
Cyprus
Czech Republic
Djibouti
Dominica
Dominican Republic
Ecuador
El Salvador
Falkland Islands
Faroe Islands
French Guiana
French Polynesia
Gabon
Gambia
Georgia
Gibraltar
Greenland
Guadeloupe
Guatemala
Guernsey
Guinea-Bissau
Guyana
Haiti
Iran
Isle Of Man
Jamaica
Jersey
Johnston Atoll
Kazakhstan
Kenya
Kosovo
Kyrgyzstan
Liberia
Libya
Libyan Arab Jamahiriya
Lithuania
Luxembourg
Madagascar
Malawi
Maldives
Mali
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Micronesia
Midway Islands
Montserrat
Morocco
Morocco
Mozambique
Netherlands Antilles
New Caledonia
Nicaragua
Niue
Norfolk Island
North Korea
Northern Mariana Islands
Palestine
Panama
Papua New Guinea
Paraguay
Peru
Puerto Rico
Reunion
Saint Helena
Saint Kitts and Nevis
Saint Pierre and Miquelon
Saint Vincent and The Grenadines
Samoa
Sao Tome and Principe
Senegal
Seychelles
Sierra Leone
Solomon Islands
Somalia
South Sudan
Sudan
Suriname
Sweden
Switzerland
Syria
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Tunisia
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
Uruguay
Uzbekistan
Vanuatu
Venezuela
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zimbabwe