April 1982 - Jan 1983 eruption
The 1982-1983 eruption was a series of violent explosions with tall ash plumes and pyroclastic flows and mud flows. It killed at least 21 people, caused evacuation of 40,000 people and destroyed ca 94,000 ha of cultivated land. ...plus

Aircraft ash encounter at Galunggung - near fatal accident with Boing 474
On 24 June 1982, a Boeing 747 flew through Galunggung's undetected ash plume, which caused all four engines to fail. Fortunately, the engines could be restarted after the plane had lost 25,000 ft and came into denser air, and the crew managed a successful emergency landing, saving the lives of 263 people. This and a similar accident over Alaska raised awareness of the need to monitor volcanic ash plumes, which lead to the formation of the Volcanic Ash Advisory Centres (VAAC). ...plus