OGMA – Indústria Aeronáutica de Portugal S.A. is a Portuguese aerospace company focused on aircraft maintenance and manufacturing.

This was followed by the manufacture, under English licence, of the Vickers Valparaiso in 1933, the Avro 626 and de Havilland Tiger Moth aircraft in 1938, and the construction of 66 DHC-1 Chipmunks in 1952.

[8] Since 1994 OGMA has manufactured most of the Pilatus PC-12's major structural components, including fuselage, wings, cargo and passenger doors, flaps, ailerons, rudder and wiring harnesses.

[12] Since 2013, OGMA has been involved in the Embraer KC-390's development program, including central fuselage manufacturing, fairing, metallic alloys, composite materials and elevons.

[15] In 2017, aircraft maintenance, repair and overhaul services accounted for about 70% of OGMA's total business volume.

The investigation found that insufficient quality assurance, oversight and management at OGMA contributed to the severe technical problems suffered by the aircraft in flight.