lift off
US /ˈlɪft ɔf/
UK /ˈlɪft ɔf/

1.
despegue, lanzamiento
the action of a spacecraft, rocket, or helicopter leaving the ground
:
•
The space shuttle's lift-off was delayed due to bad weather.
El despegue del transbordador espacial se retrasó debido al mal tiempo.
•
We watched the helicopter's smooth lift-off from the helipad.
Observamos el suave despegue del helicóptero desde el helipuerto.
1.