Pilot GH77 has visited (landed in) a total of 57 countries but have 183 countries yet to explore.
Albania
Algeria
American Samoa
Angola
Anguilla
Antarctica
Armenia
Aruba
Azerbaijan
Bahrain
Barbados
Belarus
Bolivia
Bosnia and Herzegovina
Botswana
Brazil
British Indian Ocean Territory
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Cote D'Ivoire
Croatia
Cyprus
Dominica
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Eswatini
Ethiopia
Falkland Islands
Faroe Islands
Fiji
French Guiana
French Polynesia
Gabon
Gambia
Georgia
Gibraltar
Greenland
Guinea
Guinea-Bissau
Guyana
Honduras
Hong Kong
Iceland
Isle Of Man
Israel
Jersey
Johnston Atoll
Jordan
Kazakhstan
Kenya
Kiribati
Korea
Kosovo
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Libyan Arab Jamahiriya
Lithuania
Luxembourg
Macau
Madagascar
Marshall Islands
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Midway Islands
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Mozambique
New Caledonia
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Oman
Palau
Palestine
Panama
Papua New Guinea
Paraguay
Russia
Rwanda
Saint Helena
Saint Lucia
Saint Pierre and Miquelon
Samoa
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
South Korea
South Sudan
Sri Lanka
Syria
Tajikistan
Tanzania
Timor Leste
Timor-Leste
Togo
Tonga
Tunisia
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
Uruguay
Uzbekistan
Vanuatu
Venezuela
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe