10.3 Level & Speed Instructions
Training Objective
To issue clear and correct level and speed instructions.
Key Knowledge
- Level assignment
- Speed control phraseology
Operational Application
Controllers shall:
- Issue level instructions clearly
- Apply speed control effectively
1. Overview
Level and speed instructions are critical for maintaining separation and managing flow.
2. Core Content
2.1 Level Instructions
- "Climb FLXXX"
- "Descend FLXXX"
- "Maintain FLXXX"
2.2 Speed Instructions
- "Reduce speed XXX knots"
- "Maintain XXX knots"
- "Minimum clean speed"
3. Procedures
3.1 Application
- Instructions shall be unambiguous
- Controllers shall confirm correct readback
4. Standards
- Phraseology shall comply with ICAO standards
5. Notes
- Incorrect level or speed instructions can lead to loss of separation