take control of the cockpit

Translations
взять под контроль кабину пилота
The co-pilot had to take control of the cockpit when the captain fell ill.
Второму пилоту пришлось взять под контроль кабину пилота, когда капитан заболел.
Definitions
To assume command or authority over the area of an aircraft where the pilot and co-pilot operate the controls and instruments.