Taxiing out for the 2010 Independence Parade over Mexico City, PC-7 6521 is one of 88 PC-7s delivered to Mexico. It was delivered as EAP-521 and later reserialled to 6521, indicating use as a trainer with the Colegio del Aire. By January 2018, 6521 had been preserved in Tecamac with school CBT 2 Lic Carlos Pichardo, which is near Santa Lucia.