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Approach Light Secrets

As much as we drill instrument students on the 10 items from FAR 91.175 (c) you could see to go below DA/MDA, in the real world if we see anything that might be part of the runway, we land on it. Its nearly certain that youll first see the ALS, allowing you to descend to 100 feet AGL and search for something resembling a runway.

Gemini Sparkle

Key Takeaways:

  • Approach Lighting Systems (ALS) are critical for transitioning from instrument to visual flight, providing essential orientation, guidance, and a practical way to measure flight visibility.
  • Pilots must understand the specific components and configurations of various ALS types (e.g., ALSF-2, MALSR) to effectively use them for orientation, roll guidance, and assessing if minimum visibility requirements are met.
  • Briefing the expected ALS type and actively managing light intensity (via pilot-controlled lighting or ATC) are crucial practices for safe and confident visual transitions, especially in low visibility conditions.
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As much as we drill instrument students on the 10 items from FAR 91.175 (c) you could see to go below DA/MDA, in the real world if we see anything that might be part of the runway, we land on it. It’s nearly certain that you’ll first see the ALS, allowing you to descend to 100 feet AGL and search for something resembling a runway.

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