 After storm damage this airframe was modified again to take a 1.47 kN (331 lbf) Turbomeca Palas turbojet in place of the rear seat, with a ventral fuselage exhaust below the wing trailing edge.Dating from 1962, it was known as the Canguro Palas.In 1964 Mantelli set a new FAI record for C1b class aircraft of 9,700 m (31,824 ft).