The Nigerian Civil Aviation Authority (NCAA) has warned airline operators and flights crew who allow unauthorised personnel into the cockpit during flight operations.

The Director-General, NCAA, Capt. Musa Nuhu who threatened that any violation of non-compliance with the directive would result in the imposition of applicable sanctions on both operators and flight crew.

He issued the warning in a letter: NCAA/ DG/ AIR/1/11/324 dated Oct. 25 and addressed to accountable managers in Lagos on Wednesday.

“It has been brought to the notice of the authority of a worrisome development in which passengers are admitted into the flight deck (cockpit) especially on commercial air transport flights.

“Aircraft flight decks are designated sterile working environment and the presence of unauthorised persons is both a distraction to safe flight operations and a potential security.

“In addition, it is a violation of Nigeria Civil Aviation Regulations ( NCARs) 8.5.1.12 and 8.5.1.13.

“All operators and flight crews are hereby warned to desist from admitting unauthorised persons into the cockpit during all phases of flight operations with immediate effect,” he said.