The EC-121K crashed at Da Nang Airport, killing 23 of 28 on board on October 8, 1970.
On 30 September 1970, Douglas DC-3DST B-305 of Air Vietnam crashed into a hill near Da Nang while attempting to divert to Da Nang Airport due to weather conditions at its intended destination of Phu Bai Airport, Hue. Three of the 38 people on board were killed. 
