ČSA Flight 511 crashes at Casablanca–Anfa Airport in Morocco, killing 72.

ČSA Flight 511 was a flight operated by an Ilyushin Il-18 that crashed near Casablanca-Anfa Airport in Morocco on July 12, 1961. All 72 people on board were killed. The cause of the crash remains undetermined.

Casablanca–Anfa Airport was an airport in Morocco (IATA: CAS, ICAO: GMMC), located about 6 kilometres (4 mi) southwest of Casablanca. Anfa Airport was one of three airports serving the Casablanca area, the others being the newer and larger Mohammed V International Airport and the Casablanca Tit Mellil Airport.

Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to the east, and the disputed territory of Western Sahara to the south, occupied by Morocco since 1975. Morocco also claims the Spanish exclaves of Ceuta, Melilla and Peñón de Vélez de la Gomera, and several small Spanish-controlled islands off its coast. It has a population of approximately 37 million. Islam is both the official and predominant religion, while Arabic and Berber are the official languages. Additionally, French and the Moroccan dialect of Arabic are widely spoken. The culture of Morocco is a mix of Arab, Berber, African and European cultures. Its capital is Rabat, while its largest city is Casablanca.

July 12 is the 193rd day of the year in the Gregorian calendar; 172 days remain until the end of the year.