Slap,
Originally Posted by
Blade Slap
How can CG be fwd of nose?
That was some British understatement being used.
When you lose the Tail Rotor Blades, Gearbox, and associated items from the very rear of the helicopter....the CG shift is forward...and very significant....causing a strong pitching movement that might exceed the ability of the flight controls to compensate for and thus cause the loss of the aircraft.