MCC 3053
Aviaco (Spain)
MCC 3053 is reserved for Aviaco (Spain). Card networks reserve codes 3000–3299 for individual airlines, so issuers can see exactly which company a payment went to.
Airlines without a reserved code use MCC 4511. This category carries elevated fraud or chargeback exposure, for example because of future delivery, high ticket sizes or recurring billing. Expect closer underwriting and possibly a rolling reserve.
Related categories include MCC 4511 for airlines. Nearby codes include MCC 3052 for LAN Chile and MCC 3054 for Ladeco (Chile).