Some characters from the Sao Paulo helicopter scene

Pictured at Helipark

Pictured at Helipark after flying the Bell 430 this is:
left Andreia Zwetsch from Helipark, Claudio Agostini from Rotor & Wing, a US helicopter trade magazine, and Ernesto Klotzel, an engineer who worked with Hiller in Paolo Alto back in the era of the flying platform and the rotor tip jets. After retiring as an engineer he became an aviation journalist.