The first Series A prototype was the result of a Morane-Moisant monoplane being converted to a biplane by engineer Francisco Santarini.
Mexican President Venustiano Carranza presented two examples to El Salvador, one of which was used as a source of spare parts.
[1][3] On 6 July 1917, the first airmail flight was inaugurated in Mexico, flown by a TNCA Series A.
The aircraft was dispatched two days before by train to the city of Pachuca, where it was loaded with a suitcase containing 534 letters and 67 postcards.
The aircraft took off from Pachuca, piloted by Lieutenant Colonel Horacio Ruiz Gaviño, who flew to Mexico City following the railroad tracks, landing at Balbuena Field.