Pilot Stirling M0ss has visited (landed in) a total of 142 countries but have 98 countries yet to explore.
American Samoa
Antarctica
Barbados
Bolivia
Botswana
British Indian Ocean Territory
British Virgin Islands
Burkina Faso
Cameroon
Cape Verde
Cayman Islands
Christmas Island
Cocos (Keeling) Islands
Congo
Cook Islands
Costa Rica
Cote D'Ivoire
Cuba
Dominican Republic
Egypt
El Salvador
Eswatini
Falkland Islands
Faroe Islands
French Guiana
French Polynesia
Gabon
Gambia
Guinea
Guinea-Bissau
Guyana
Honduras
Isle Of Man
Jamaica
Johnston Atoll
Kiribati
Liberia
Libya
Libyan Arab Jamahiriya
Luxembourg
Macau
Maldives
Mali
Marshall Islands
Mauritania
Mauritius
Mayotte
Midway Islands
Monaco
Mongolia
Montserrat
Morocco
Mozambique
Namibia
Nauru
New Caledonia
Nigeria
Niue
Norfolk Island
North Korea
Northern Mariana Islands
Palau
Palestine
Panama
Papua New Guinea
Paraguay
Reunion
Romania
Rwanda
Saint Helena
Saint Pierre and Miquelon
Samoa
Sao Tome and Principe
Senegal
Seychelles
Sierra Leone
Solomon Islands
Somalia
Sri Lanka
Suriname
Togo
Tonga
Trinidad and Tobago
Tunisia
Tuvalu
Ukraine
Uruguay
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Zimbabwe