[entropy12]

And if the batteries peter out during flight, then what?

[Red Badger]

Each passenger will have one of these under the seat:

http://www.automotivepartsfactory.com/p/K-tor-Power-Box-20-Watt-Pedal-Generator-Emergency-Charger-any-Portable-Devices-Can-Charge-a-12-Volt-Battery-Lightweight-Strong-Polycarbonate-Plastic-52030679.html?gclid=EAIaIQobChMI25mE_ZDI1gIVg2d-Ch0cIQOsEAQYASABEgIi9_D_BwE