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"Larry Dighera" wrote in message Why doesn't the Airbus A-320 have the
ability to dump fuel? Fuel dumping is for the purpose of lowering the landing weight to a level acceptable to the airframe's strength. It's also used in newer planes for meeting climb gradient requirements. The A-320's airframe will withstand a normal landing at max take-off weight. The manual states that vertical descent rate should be 300fpm or less at touchdown. Maintenance then performs a quick check of the airframe and returns it to service. Fuel-dumping isn't needed. The same thing goes for the DC-9 & MD-80 series. An exemption for fuel-dumping certification is printed on the front of the airworthiness certificate. Circling to burn fuel for 3 hours will lower the landing speed only about 9 knots. However, in that time, the crew can talk with maintenance to perform some alternate landing gear procedures. They can talk to dispatch as to a suitable diversion airport. They can talk to ATC about the best runway to use for least risk and least inconvenience to other users. They can brief with the cabin crew and then brief with the passengers about what to expect. They can talk to Crash/Fire Rescue for good coordination. I'm thinking that a ground evacuation wasn't ordered because CFR notified the crew that there was no fire. That has to happen quickly through good communication before some yahoo passenger yanks the overwing exit and breaks his ankle going down the slide. Notice that the time spent circling allowed LAX authorities to have stairs and busses in place as soon as the plane stopped. D. |
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