Montreal, March 28 -- Air Canada Chief Executive Michael Rousseau on Wednesday apologised for not speaking French amid criticism, while reiterating condolences to victims of a deadly crash involving an Air Canada Express flight at LaGuardia Airport.

"I want to reiterate my deepest condolences to the families of the Jazz captain and first officer who tragically lost their lives," Rousseau said in a statement, adding the airline is cooperating with U.S. and Canadian investigators.

The March 22 crash involved Air Canada Express Flight 8646, operated by Jazz Aviation, which collided with a ground vehicle while landing at LaGuardia Airport.

Air Canada Express plane collides with ground vehicle at LaGuardia Airport. Photo: Screen-grab/X vide...