List of defunct airlines of Portugal

References

1. 1.The World's leading Airline Intelligence Provider since 1998 ch-aviation.com, retrieved 2019-02-16^
2. 2.Since 1997, ATDB is the only service providing an accurate global and permanently updated details of all worldwide transport aircraft, airlines, private and government operators - and leasing companies. aerotransport.org, retrieved 2019-02-16^
3. 3.Aero Algarve