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Readback: April 2015

I see a lot of confusion between the terms VFR and VMC (as well as IFR and IMC). VMC and VFR are often used interchangeably, in fact.To me, VFR and VMC are in fact not the same because VFR refers to a set of rules that govern flight (visual flight rules), which includes airspace and so on. There are certain weather minimums to operate VFR. However, VMC can be interpreted as conditions that allow you to keep the plane upright by looking outside. You can be VMC but in VFR weather by simply being 1500 feet away from a cloud.However, while I could find VFR and IFR defined in FAR/AIM, I couldnt find anything for VMC. Are you aware of any FAA guidance on this?

Gemini Sparkle

Key Takeaways:

  • The article clarifies the common confusion between Visual Flight Rules (VFR) as regulations and Visual Meteorological Conditions (VMC) as actual weather, with the publication using regulation 91.155 to define VMC for consistency.
  • An extraordinary story recounts a successful aircraft ditching near shore after engine failure, followed by a series of fortunate events and community assistance leading to the plane's full recovery and repair.
  • Reader contributions include a recommended website (usairnet.com) for 2-3 day aviation weather planning and a correction on the critical temperature range for airframe icing, specified as +2 degrees C to -10 degrees C.
  • Guidance is provided on interpreting "climb via the SID" clearances, explaining that pilots must adhere to all charted altitude restrictions up to a procedure-specific top altitude, which may be found in the chart's text description.
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Weather vs. Rules

I see a lot of confusion between the terms VFR and VMC (as well as IFR and IMC). VMC and VFR are often used interchangeably, in fact.

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