Air Canada Flight 621

Air Canada Flight 621
An Air Canada DC-8, similar to the aircraft involved in the accident
Accident
DateJuly 5, 1970
SummaryFuel tank rupture due to hard landing, explosion after go-around
SiteNear Toronto International Airport, Brampton, Ontario
43°46′47″N 79°41′28″W / 43.7798°N 79.6912°W / 43.7798; -79.6912
Aircraft
Aircraft typeDouglas DC-8-63
OperatorAir Canada
IATA flight No.AC621
ICAO flight No.ACA621
Call signAIR CANADA 621
RegistrationCF-TIW
Flight originMontreal-Dorval International Airport
StopoverToronto International Airport
DestinationLos Angeles Int'l Airport
Occupants109
Passengers100
Crew9
Fatalities109
Survivors0

On July 5, 1970, Air Canada Flight 621, a Douglas DC-8-63 registered as CF-TIW, was flying from Montreal-Dorval International Airport, Quebec, Canada to Los Angeles International Airport, California, United States via Toronto International Airport, Toronto, Canada. During landing at Toronto, the aircraft touched-down hard which ruptured the right fuel tanks. After go-around, the right wing's fuel tanks exploded thrice and the aircraft crashed in Toronto Gore Township, now part of Brampton.

All 100 passengers and 9 crew on board were killed, and at the time it was Canada's second deadliest aviation accident after Trans-Canada Air Lines Flight 831.

It is the deadliest aviation disaster in Air Canada's history since its renaming from Trans-Canada Air Lines in 1965.