AROC
Aeronautical Radio Operator Certificate
Radio responsibilities, frequencies, VHF line of sight, phraseology, readability, emergency calls and radio discipline.
Supplementary AROC and radio operations study material linked to RePL operations.
Lessons
Radio Calls, Readability and Emergencies
Build the radio habits remote pilots need when operating around aviation traffic and controlled procedures.
Source: RePL Study Guide pp. 278-316; CASA AC 101-01 v6.1.
Radio Fundamentals, Responsibilities and Phraseology
Understand when an AROC is needed, how aviation radio is used, and how phraseology, readability, numbers and time keep calls clear.
Source: RePL Study Guide pp. 278-306; CASA radio operators guidance checked 2026-05-19; CASA AC 101-01 v6.1.
Sample Calls, Emergencies and Lost Communications
Practise public, non-exam-bank call flows for CTAF-style operations, position reports, urgency, distress and lost communications.
Source: RePL Study Guide pp. 292-316; CASA radio operators guidance checked 2026-05-19; CASA AC 101-01 v6.1.
Next step after study
Complete your Remote Pilot Licence training
The free study guide is a strong theory foundation. To actually be issued with a RePL, students still complete approved training, practical flying and assessment with a certified provider.
Unit MOS coverage
AROC item Guidance: Aeronautical radio operation and communications discipline
Priority Guidance - CASA RePL and AROC guidance; RePL Study Guide AROC chapter
RACP item 1(c): Airspace circumstances where an aeronautical radio qualification is required
Priority A - Part 101 MOS C10 Schedule 4 Unit 2 Item 1(c)
AROC item Guidance: Aeronautical radio responsibilities, phraseology and radio discipline
Priority Guidance - CASA radio operators guidance; RePL Study Guide AROC chapter
RACP item 1(c): Airspace circumstances where an aeronautical radio qualification is required
Priority A - Part 101 MOS C10 Schedule 4 Unit 2 Item 1(c)
AROC item Guidance: Sample radio calls, urgency, distress and lost communications
Priority Guidance - CASA radio operators guidance; RePL Study Guide AROC chapter
RHPF item 5-6: Communication discipline and emergency workload management
Priority B - Part 101 MOS C10 Schedule 4 Unit 5 Items 5-6