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When ATC says unable

Judgment is the cornerstone of the air traffic control profession. This basic trait, common among thousands of successful air traffic controllers worldwide, allows controllers to face a variety of situations-including unusual pilot requests-and act appropriately.

Gemini Sparkle

Key Takeaways:

  • Air Traffic Control (ATC) may deny pilot requests due to safety concerns, high workload, regulatory compliance, potential airspace conflicts, or to prioritize the efficiency and safety of overall traffic flow.
  • Pilots also have the critical responsibility to say "unable" if an ATC instruction cannot be safely executed, is beyond their capability, or would put them in an unsafe situation, as they are ultimately responsible for the flight.
  • Effective communication and negotiation between pilots and controllers are encouraged, with both parties explaining reasons for "unable" and seeking alternative solutions to ensure safety and efficiency, including a pilot's right to declare an emergency.
See a mistake? Contact us.

When ATC says “unable”
Most controllers want to grant pilot requests. When they decline, it’s not just for amusement or out of lassitude. There can be a lot going on backstage the pilot can’t see.

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