Gol Linhas Aéreas announced on Thursday that it had closed an agreement with Boeing to have 12 more 737 MAX 10s, during the presentation of the financial results for the third quarter.
The aircraft will be delivered between 2027 and 2030, but the airline did not detail changes to its order for the 737 MAX family, which as of September included 144 jets.
Boeing has also committed to delivering six 737 MAX 8s in Q1 2023, as well as taking back an undisclosed number of 737NGs.
Until last month, Gol had 37 737 MAX 8 jets in its fleet, but the 38th aircraft of the type was delivered last week, leaving another six aircraft for the 2022 target to be reached.
With capacity for up to 230 passengers, the 737 MAX 10 is the largest version of the family ever launched, but it has not yet been certified by the FAA, the US civil aviation authority.
The aircraft could have deliveries delayed if Boeing fails to get an exception under a new US Congressional law that requires a new warning system for crew members. The change will take effect in 2023 and will also affect the 737 MAX 7 version.