51 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
Time: 16:08
Type:
Antonov An-24V
Operator: LOT Polskie Linie Lotnicze
Registration: SP-LTF
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 (   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
Flightnumber: 165

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