To help even more, Inertial Reference Systems (IRS) were developed to provide electronic references with global coverage. The next step in navigation saw beacons on land, which meant we could fly around without needing visual clues. When we first started flying, navigation was based on looking outside the window at landmarks. And if you still have any questions after reading this, do not hesitate to add them in the comments! Some history about navigation in aviation This article will give you an easy overview of all the aspects you have to consider. The challenge, especially for some small operators and/or flight schools is to understand what they have to do about PBN and its associated rules. It may be required in specific airspace and at certain airports depending on the situation. Performance based navigation (PBN), has already been implemented in some countries and in some it is about to be. Understand more about PBN and what it means for your operation?

At the bottom the article is also provided as a handy PDF guide.Ģ5 January 2022: Check out the new EASA FAQs on PBN Airspace Usage Requirements on the EASA Website. The article was written by our safety partner Stephen van Houwelingen from STAC as part of his own journey to implement PBN in a small operator. If you are trying to understand Performance Based Navigation (PBN) this article will provide you with all the information you need.

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