GCA Approach:
“NXXXX, turn right one degree.”
NXXXX:
“No can do.”
CGA Approach:
“Well, then — turn left two degrees, then right three degrees.”
Jack Dennehey
Short Final
Key Takeaways:
- Ground-Controlled Approach (GCA) issues precise, small navigational adjustments to an aircraft.
- The aircraft (NXXXX) has the ability to refuse a GCA instruction.
- Upon refusal, GCA provides an alternative, potentially more complex, sequence of maneuvers to guide the aircraft.
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