Avianca Flight 4

Infobox Airliner accident|name=Avianca Flight 4
Date=January 15, 1966
Type=Crash into terrain
Cause=Maintenance error and inadequate inspections and possible engine failure
Site=Off Cartagena, Colombia
Fatalities=56
Aircraft Type=Douglas DC-6
Origin=Bogotá, Colombia
Destination=Crespo
Operator=Avianca
Tail Number=HK-730
Passengers=60
Crew=4 | Survivors=8

Avianca Flight 4 was a flight from Bogotá, Colombia to Crespo. After takeoff, as soon as the aircraft hit 100 ft, it stalled and crashed into shallow water. After an investigation that lasted 14 months, it was determined that possible engine failure was to blame as well as poor maintenance and inadequate inspections.