Attending the size of our fleet, the technical complexity of our services and the specific needs of our clients, INAER operates an engineering office which is capable of handling the modification needs of its aircraft.

The Office of Engineering and Design at INAER was set up in March 2004. In 2005, INAER became the first air service operator with DOA certification, which guarantees INAER the autonomy to design and certify modifications for its own aircraft and those of third parties. Since 2008, INAER's DOA has been able to issue its own authorizations for validation tests of modifications, saving time and increasing productivity for its clients.