A short flight training without permission in the company of Justin Marino aircraft mechanic from the School to the town of Ambalema in December of that year, it causes serious problems with the Directorate, and is transferred accordingly Cavalry Regiment Neiva.

In order to improve aeronautical knowledge, the War Department selected a group of officers among whom was awarded the Sub-Lieutenant Heriberto Gil Martinez for an extensive Specialization course in various disciplines in Paris.

Following the sequence laid out within the specialization program, passing the famous school of "Le Bourget", where it also highlights their bravery and ability, why the French government authorized to enter Sub-Lieutenant Gil Regiment 34 º.

September 1932 in the early morning hours, Peruvian soldiers took the Colombian town of Leticia, located within the Amazon called Trapeze, which was established by the Treaty of Limits and Navigation "Salomon-Lozano" signed between the two States on March 24, 1922 = and then invaded Tarapacá.

The military aviation then going through a very critical situation, but nevertheless this, the Directorate General of Military Aviation formed what was called The Unified Air Fleet under South under Colonel Luis Acevedo Ruiz originally based in Caucayá and then in Puerto Boy, which was divided into three squadrons, small air units under the command of Major Herbert Boy, German pilot and veteran of World War, manager of the airline Scadta.

The work of the officers was intense aviators, as well as the different missions that must constantly make to their fighters, as were those of observation, reconnaissance, transport troops and military supplies and provisions, had to establish airlift aircraft between several sites because of the difficult conditions of the thick jungle.

Lieutenant Gil, always beside his plane, an Osprey, average machine between the planes of observation and hunting, gave proof of great patriotism in each of the interventions that played an active part, which were many, but where it was really important and their participation was important in making Puerto Güeppi on Sunday 26 March 1933, where after nine months of the detachment Colombian armed conflict began its attack on Peru's position of Güeppi in the courageous and overwhelmingly supported by artillery fire mountain artillery and gunboats ARC ARC Cartagena and Santa Marta bombing squadron air force, which was decisive, consisting of eleven aircraft attacking for eight continuous hours.

Barely two months after taking Puerto Güeppi, the Fleet Air South, which had already submitted the disappearance of Captain Ernesto Guevara, the 21 May 1933 experiencing a new event with extremely painful and irreparable consequences.

Account Colonel Jose Ignacio Forero that below Caucayá had begun to form a strong storm, and although the Junkers took off smoothly, to make a shift to La Tagua, a powerful blast he invested, thus falling to the Putumayo River drowned where the pilot of the ship, Lt. Gil and mechanics Combariza and Fernandez.