Just looked at the notes I still have. ISA VNE 195 Kts CAS. Full throttle, 2500 RPM 75% 214 BHP FL 240 is 230 MPH./ 199.64 Kts. Descent as previously stated, at book figures. Strong as a "bone". Max speed below 10,000 in those days was, from memory, 200 Kts.