Intresting read on a feature that the Airbus has;
The Airbus Ditching Button
Source: FlightBloggerWhen pressed, it commands the aircraft operating system to close the outflow valve, emergency ram air inlet, avionics inlet, extract valve and flow control valve. In addition, it will immediately shutdown the cabin fans. The button itself has a guard over it to prevent accidental activation. The system is available on all A320 family, A340/A330 and A380 aircraft.
According to the A320 quick reference guide, the ditching procedure calls for Flaps 3 and a minimum approach speed of 150 kts. The system should be activated at 2000 feet AGL and Airbus recommends 11 degrees of pitch at the time of touchdown.
The ultimate purpose of the system is to seal the aircraft to prevent water from undermining the buoyancy of the aircraft to keep it afloat in the event that the airframe remains intact after impacting the water. Federal Aviation Regulation Part 25, Section 801 describes the safety requirements in the event of a ditching:








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ol: Can't believe people took this seriously.


