Altitudes
Learn how altitudes are written and spoken in aviation: QNH vs QFE, MSL vs AGL, flight levels (FL), and the units pilots and controllers use (feet, hPa, inHg) with clear ATC-style examples.
Aviation wiki and ATC knowledge
This wiki serves as your comprehensive reference for aviational topics and radiotelephony. It covers a wide range of subjects, including ICAO phraseology, ATC procedures, and more.
Use this wiki to...
- Prepare for radio exams
- Review phraseology and procedures
- Support your LearnATC simulator sessions
- Build confidence in both German and English radiotelephony
Wiki articles
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Popular
VOR
VHF Omnidirectional Range (VOR) explained for student pilots: definition, purpose, use in aviation, operational considerations, and practical examples.
trainingsafetyphysiology
Minimums/Minima
A clear, student‑pilot friendly explanation of minimums (minima) in aviation, including definitions, purpose, IFR applications, operational considerations, and practical examples for approach and landing decision-making.
Low-Visibility Procedures (LVP)
Clear, student‑pilot friendly explanation of Low‑Visibility Procedures (LVP): definition, purpose, use in aviation, step‑by‑step airport and cockpit actions, and typical examples.
Air traffic control (ATC)
Air traffic control (ATC) is a service provided by ground-based controllers to manage aircraft on the ground and in flight, preventing collisions and organizing traffic flow. This article explains what ATC does, major ATC service types, job opportunities in the field, and why ATC procedures matter to pilots flying under visual flight rules (VFR) and instrument flight rules (IFR).
Reading about it is step one.
Put this phraseology into practice in live ATC scenarios, with instant feedback on every transmission.
