Radio Navigation for Pilots
For most of us ATPL testing was one of the first milestones we have achieved throughout our pilot career. We have acquired an immense amount of knowledge, but to keep proficient we either have to read through long manuals or dig deep into the 15000+ question database on a regular basis, which can be very time consuming as we all know.
Practice Radio Navigation Theory
If you wish to regain your currency in theoretical knowledge, while not having the time or nerves to sum up everything by yourself, then this Radio Navigation Theory Manual might be for you. The Manual covers every single topic of the Radio Navigation theoretical examination, scaled down to a small amount of pages including lots of straightforward illustrations plus a practical part with formulas and techniques for basic IFR flying.