9.4 ACC ↔ ACC (External) Coordination
Boundary Coordination
Aircraft crossing FIR boundaries must be: - At agreed levels - On correct routing - Properly spaced
Standard Agreements
- Transfer levels
- Entry/exit points
- Speed restrictions (if applicable)
Controller Responsibilities
- Comply with Letters of Agreement (LOAs)
- Ensure predictable traffic flow
Key Principle
Consistency is critical for cross-boundary operations.