You have got it right. The biggest aircraft in the world took off for its first flight and, most importantly, successfully completed it on 13 April, 2019.
A Summit Air Let L-410 was taking off from Lukla when the aircraft veered off the runway, collided with a helicopter destroying the helicopter and came to a stop after colliding with a second helicopter.
American Airlines, one of the largest Boeing 737 MAX operators in the world, announced extending cancellations of flights for the Boeing 737 MAX aircraft through 19 August.