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Logging Actual IMC Requires More Than Clouds

From a moonless night to flying into a blinding sun, are you correctly logging 'actual' conditions?

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Gemini Sparkle

Key Takeaways:

  • The "Moonless Night Letter" allows pilots to log "actual instrument flight conditions" when outside circumstances necessitate the use of instruments for adequate aircraft control, even if visual meteorological conditions (VMC) prevail.
  • This definition distinguishes "actual instrument conditions" from "instrument meteorological conditions" (IMC), which are weather-defined, and "simulated" conditions, where vision is intentionally restricted.
  • Determining if instruments are required for "adequate control" (aviating, not just navigating) is subjective and relies on pilot judgment, requiring pilots to be prepared to justify such log entries.
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It has long been said that the private pilot certificate is a “license to learn” as it is the foundation of a person’s flying career.

The FAA has said we may log an instrument approach if we are in actual or simulated conditions inside the final approach fix [Ref:§ 61.51(g)(3) and §61.57(c)]. But think about whether you were in actual IMC or not. As one example, you’re on a straight-in visual on a clear evening with the setting sun directly in your eyes, making any visual references in front of the aircraft useless. Although there’s not a cloud in the sky, you loaded the precision approach for belt-and-suspender situational awareness. That was a good call because the early evening sun is blinding any attempt to look out the window. You transition to the instruments and fly the approach, intercepting the GPS glide slope and keeping the VDI centered. Sun visors down, you finally see the runway and land. Was that loggable?

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