You are given a sentence in English. Your job is to translate the English sentence into Spanish.

Finally, in the early part of — or actually the middle of 2002, we flew the 400 — M400, which was the four-passenger vehicle.
Finalmente, a principios de, o mas bien, a mediados del 2002, volamos el 400, M400, que es el vehículo de cuatro pasajeros.