Silsoe
Firebird Commander 2 Electric RTF [HBZ2600] - Mikes Models
It only weighs 0.5Kg - It'd take a week to get to 90' never mind 900
and
++Anti-Crash Technology (ACT)++
(Two sensors on the fuselage, one on the top and one on the bottom, monitor the position of the plane in relation to the ground.)
Only works in sunlight I'm afraid...
Back to the drawing board...
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