Domestic airlines have denied dumping human excreta mid-air. Days after the National Green Tribunal (NGT) ordered a fine of Rs. 50,000 on airlines emptying toilet tanks in the air, they said modern aircraft are not designed to do so.
They said the lavatory waste is stored in a tank inside the aircraft. It is cleaned by the ground crew only after the plane lands.
Dumping of waste during the flight may happen rarely due to leakage. Some aviation experts said it was not possible for a pilot to dump a tank while in flight, as there were no controls inside the aircraft for doing this.
“After every flight, when the aircraft is parked at the parking bay, the lavatory waste is drained and the waste tank is pressure cleaned via documented process using equipment specific for this purpose,” Kamal Hingorani, senior vice-president and head, In-Flight Services and Customer Experience at SpiceJet, told The Hindu in an e-mailed response.
He said it took about eight minutes for the entire procedure, adding the water tank is pressure sealed in flight and “there is no possibility of any leak or inadvertent release of water in flight.”
23/12/16 Somesh Jha/The Hindu
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They said the lavatory waste is stored in a tank inside the aircraft. It is cleaned by the ground crew only after the plane lands.
Dumping of waste during the flight may happen rarely due to leakage. Some aviation experts said it was not possible for a pilot to dump a tank while in flight, as there were no controls inside the aircraft for doing this.
“After every flight, when the aircraft is parked at the parking bay, the lavatory waste is drained and the waste tank is pressure cleaned via documented process using equipment specific for this purpose,” Kamal Hingorani, senior vice-president and head, In-Flight Services and Customer Experience at SpiceJet, told The Hindu in an e-mailed response.
He said it took about eight minutes for the entire procedure, adding the water tank is pressure sealed in flight and “there is no possibility of any leak or inadvertent release of water in flight.”
23/12/16 Somesh Jha/The Hindu
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