VivaAerobus (VB, Monterrey Mariano Escobedo) has confirmed that it is considering an initial public offering at the stock exchange in Mexico City to finance its fleet renewal and expansion plans. It plans to evaluate potential replacement options in cooperation with sister carrier VivaColombia (Medellín José Maria Córdova) for its fleet of 18 B737-300 with a view of starting to take delivery of new aircraft within 12-18 months.