Engineering:ACS-100 Sora

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ACS-100 Sora
PU-BUF ACS-100 SORA (8181552264).jpg
ACS-100 Sora in São José dos Campos, Brazil
Role Light sport aircraft
Manufacturer Advanced Composites Solutions
Designer Cláudio de Barros
First flight June 2008
Introduction 2008
Status In production (October 2021)
Number built 6 (January 2009)[1]
Developed from CEA-307 CB.10 Triathlon
Developed into ACS-Itaipu Sora-E

The ACS-100 Sora is a Brazilian two-seat Light Sport Aircraft, designed by Advanced Composites Solutions.


The Sora (originally designated the ACS-100 Triathlon) was developed from the CB-10 Triathlon project designed by the Brazilian aircraft designer Cláudio Barros of the Federal University of Minas Gerais. The Sora is a two-seat side-by-side all-composite low-wing cantilever monoplane with a conventional tail unit. It has a fixed tricycle landing gear with retractable gear as an option. It is designed to be fully aerobatic (+6g to −4g). The first flight was planned for May 2008 with delivery of the first aircraft planned for the first half of 2008.

Specifications (ACS-100)

Data from [2]

General characteristics

  • Crew: 2
  • Length: 6.5 m (21 ft 4 in)
  • Wingspan: 7.5 m (24 ft 8 in)
  • Wing area: 8.7 m2 (93.2 sq ft)
  • Empty weight: 350 kg (772 lb)
  • Gross weight: 600 kg (1,325 lb)
  • Powerplant: 1 × Rotax 912S , 74 kW (100 hp)


  • Maximum speed: 340 km/h (211 mph, 183 kn)