The generic full order state space equations were discussed here. As an example, this section shows the numerical values for the B747 from Etkin, 3d.ed. This is a full order, dimensional model.
dimensional system matrix in lbf , ft .
Table 1 : Etkin symmetrical data B747-100 in cruise.
Note how A (2,3) ≅ V.
Use the method in state space.