Embraer`s site states ...
Takeoff Field Length, ISA, MTOW7,386ft2,251m Takeoff Field Length, ISA, SL, TOW for 500nm4,892ft1,491m
Landing Field Length, SL, MLW4,708ft1,435m
And someone please correct me if i am wrong but i think Southend has 1605m runway length?
Jamie