Product of the 1974 Embraer-Piper license agreement
The Carajá was born within the license agreement signed between Embraer and Piper in 1974, which allowed Embraer to assemble (from kits) and later produce in São José dos Campos several Piper models for Brazil and Latin America: EMB-810 Seneca, EMB-711 Corisco, EMB-712 Tupi, EMB-720 Minuano and the EMB-820C Navajo, a version of the PA-31-350 Chieftain. In 1984 Neiva, an Embraer subsidiary, began converting EMB-820Cs with two 550 shp PT6A-27 turboprops, and the result was named Carajá. Between 1974 and 2000 Embraer and Neiva produced almost 2,500 Pipers under license.