52 Years ago today: On 2 April 1969 a LOT Antonov 24 struck a mountain near Krakow, Poland; killing all 53 occupants.

Date:Wednesday 2 April 1969
Type:Silhouette image of generic AN24 model; specific model in this crash may look slightly different
Antonov An-24V
Operator:LOT Polskie Linie Lotnicze
C/n / msn:67302406
First flight:1966
Crew:Fatalities: 5 / Occupants: 5
Passengers:Fatalities: 48 / Occupants: 48
Total:Fatalities: 53 / Occupants: 53
Aircraft damage:Destroyed
Aircraft fate:Written off (damaged beyond repair)
Location:near Zawoja (https://cdn.aviation-safety.net/database/country/flags_15/SP.gif   Poland)
Crash site elevation:1200 m (3937 feet) amsl
Phase:En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Warszawa-Okecie Airport (WAW/EPWA), Poland
Destination airport:Kraków Airport (KRK/EPKK), Poland

The Antonov struck Polica Mountain at an altitude of 1200 m (150 m below the summit) during a snowstorm.