Borinquen Air, also doing business as Amber Service, Air Puerto Rico or Diaz Aviation, is a charter airline from Puerto Rico, which operates regional passenger and cargo flights. The company was founded in 1961 and is based at Luis Muñoz Marín International Airport. The airline, which since 1985 has also been in the business of selling aviation fuel, is led by founder Sixto Diaz Saldaña, who is the airline general manager, the sole shareholder and also a licensed attorney.