10.1 General Principles
Training Objective
To establish the principles of standard phraseology in an en-route environment.
Key Knowledge
- ICAO phraseology standards
- Clarity and brevity
- Readback requirements
Operational Application
Controllers shall:
- Use standard ICAO phraseology at all times
- Speak clearly and concisely
- Avoid non-standard or informal language
1. Overview
Standard phraseology ensures consistent and unambiguous communication between controllers and pilots.
2. Core Content
2.1 Clarity
- Instructions shall be clear and easily understood
2.2 Brevity
- Communication shall be concise without loss of meaning
2.3 Standardisation
- Only approved phraseology shall be used
3. Procedures
3.1 Readback
- Controllers shall ensure correct readback of critical instructions:
- Levels
- Headings
- Speeds
- Clearances
4. Standards
- Non-standard phraseology shall be avoided
5. Notes
- Poor phraseology leads to misunderstanding and increased workload