Pau asked in Cars & TransportationAircraft · 10 months ago

When flying an instrument departure.?

what is a “Minimum Climb Gradient”? Why is it there? Do all departures have one? Are there any additional considerations if flying a multi-engine aircraft on a departure with one?

5 Answers

  • 10 months ago

    The MCG varies depending on the airport. An airport in a mountainous area will have a higher MCG than one in a plains area.

  • 10 months ago

    That's the minimum gradient you are required to adopt when departing a particular runway.  It's there principally for instrument conditions where you cannot see obstacles in front of you - it gives you a safe margin of clearance over them. 

    If you're learning to fly, isn't it time you opened your textbooks?

  • Anonymous
    10 months ago

    You are never going to successfully become a professional pilot if you don't study properly and learn how to find the answers yourself without asking. Everything that you need to know is published and easy to find.


  • 10 months ago

    "Minimum climb gradient" is there to assure that the pilot does not fly into obstacles after leaving a runway.  Things like power lines, trees, buildings, hills and mountains must be cleared or there is no point in doing the departure.  The question is about an "instrument departure".  That means the pilot will not see obstacles, so he should observe his "climb gradient" to be above the minimum.  Then he might make a safe departure.

    Sometimes that gradient is higher than just for obstacles.  It could be there to clear other traffic or for noise abatement.

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  • 10 months ago

    Sounds like a homework question. 

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