The PAC has also directed the corporation officials to be present in a responsible way at the parliamentary committee after the NAC did not furnish convincing answers on some questions raised by the committee, said PAC secretary Som Bahadur Thapa.
"The committee has directed the officials to immediately submit the documents regarding the purchase of planes," he said.
PAC summoned NAC chairman, general manager and the company secretary on Friday.
PAC summons meeting to discuss Sajha irregularities