The wing was made using new production techniques and was subjected to progressive loads that exceeded the expected load limit by more than 200%, Embraer says.
GOL plans to exit Chapter 11 bankruptcy in May and pledges an improving financial performance as more aircraft return to service after engine maintenance.
The first stage of the type certification process, the certification basis spells out the environmental and airworthiness requirements for new aircraft.
Brazil's tourism sector is experiencing robust growth, with a focus on attracting visitors from key international markets such as the U.S., China and Germany.
Brazilian startup Moya Aero has made its first transition with a subscale version of its tiltbody uncrewed electric vertical-takeoff-and-landing (eVTOL) vehicle.