| 03.05.1986 | – | Explosion of Air Lanka TriStar L-1011 aircraft at BIA by the LTTE terrorists killing14 passengers onboard |
| 22.11.1986 | – | Concord, the world’s first supersonic aircraft operated by British Airways landed at Bandaranaike International Airport during its round-the world flight |
| October 1986 | – | Opening of the new runway for commercial operations |
