It was a subsidiary of Tropical Hotéis, a company part of the same holding that owned Varig.
This was later bought by Eloy Biesuz and the name changed to Helisul Táxi Aéreo Ltda.
[1] As part of its growing activities, Helisul Taxi Aéreo founded on May 16, 1994 Helisul Linhas Aéreas, as a charter airline operating regular flights and with operations concentrated at Curitiba-Bacacheri Airport linking Curitiba to other cities in Paraná state.
Later, in December of the same year, as Brasil Central Linhas Aéreas was rebranded as TAM-Meridional, Helisul was also rebranded as TAM Express and received the entire Caravan fleet of Brasil Central to operate its former network.
[3][4] Helisul Táxi Aéreo still operates helicopter flights in Rio de Janeiro and Foz do Iguaçu and has certified maintenance plants at Curitiba-Bacacheri Airport.