1978 Air Ceylon Avro HS 748 bombing
On 7 September 1978, a Hawker Siddeley HS 748 (registered 4R-ACJ) owned by Air Ceylon was destroyed in a fire following the explosion of a bomb in the aircraft while parked at Ratmalana Airport, Colombo, Sri Lanka. At the time, the pilot, first officer, and a ground crew worker were aboard; all three escaped unhurt.
Source: Wikipedia — 1978 Air Ceylon Avro HS 748 bombing (CC BY-SA 4.0)