What is "martinair"

Martinair, legally Martinair Holland N.V., is a Dutch cargo airline headquartered and based at Amsterdam Airport Schiphol and a subsidiary of Air France-KLM. The airline was founded in 1958 by Martin Schröder. Since 2011, Martinair operates entirely as a cargo airline with scheduled services to 20 destinations worldwide and additional charter flights. Prior to that date, passenger flights were also operated.