M.The direction came after the counsel, appearing for the DGCA, told the tribunal that the regulator has gone through the report of a three-member committee and concluded that it is impossible to empty the waste tanks of the aircraft mid-air.He told the bench that there was a manual system by which the human waste tank is emptied after the flight lands and by no means can the cabin crew operate the tank during flight.New Delhi: The National Green Tribunal on Tuesday directed the aviation regulator DGCA to substantiate its claim that it is impossible to dump human waste from aircraft tanks mid-air. We would become a laughing stock by asking them something which is not possible," the counsel said. Satwant Singh Dahiya (Retd), who has filed plea seeking action against airlines for dumping human excreta, said the DGCA was deliberately trying to delay the implementation of the NGT order by referring to instances in foreign countries.During the proceedings, Lt.. The cabin crew does not have access to the human waste tank as it is operated manually."We cannot risk the lives of numerous passengers by opening the tanks mid-air."The DGCA and CPCB, after consultation with experts, would file an affidavit and state whether under any circumstances, intentionally or unintentionally, it is possible for an aircraft to release any waste during flights," the bench said.He alleged that CPCB scientist R.The tribunal had taken strong exception to the non-issuance of a circular by the DGCA to airlines and the ground handling services to stop release of waste from aircraft tanks while landing.A bench headed by NGT chairperson Justice Swatanter Kumar asked the Directorate General of Civil Aviation (DGCA) and the Central Pollution Control Board (CPCB) to file an affidavit in this regard before August 2, the next date of hearing. Gen. This is the reason China Plastic Pallet Suppliers we have yet not passed any direction to the airlines. Bhardwaj, who inspected his house and took samples of excreta, had clearly mentioned in his initial report that human waste was splashed on his terrace but later changed his report "under pressure"