takeoffpermission

noun
UK /ˈteɪkɒfpəˌmɪʃən/
US /ˈteɪkɔːfpərˌmɪʃən/

A special okay that lets a plane leave the ground and fly.

The pilot waited for takeoffpermission from the control tower before speeding down the runway.


OTHER MEANINGS

2. Official approval for a rocket to launch into space.

The mission team received takeoffpermission minutes before the rocket ignited.

3. A signal that a project or activity may begin.

The new factory got takeoffpermission from the city council.

4. Permission for a drone to lift off in a restricted area.

The operator requested takeoffpermission before flying the drone over the park.