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MSL vs. AGL (Again)
On Jul 14, 7:54*pm, T wrote:
On Jul 14, 7:20*pm, N11rdbird wrote: The MSL/AGL issue has come before the Caesar Creek Soaring Club Board once again. Not only has the Club been thrown into turmoil again, this time it has specifically affected our instructors and how to most effectively teach our students. I am curious if there are other Clubs or organizations that teach using AGL. Rolf Hegele Member of the Board I don't think you have provided enough information to effectively answer the question. However, I think I know where you are going. TEACH MSL, to teach any thing else is a disservice to your students. Most "eastern" clubs teach AGL. Setting the altimeter to zero altitude and not to field MSL elevation. Powered airplane students are never taught to do this, but to set the altimeter setting or field elevation as per their respective manuals. If you fly under the floor of class b airspace, how do you know when to stop the climb to not violate the class b? Your field is at 1000 MSL, but you set "0". there is class b above you at 6000 MSL, but when your altimeter says 5000 you are already violating the class b. Some may argue to do the math and know that 5K on the altimeter is the limit. BULL CRAP,set the altimeter correctly the first time and it will read correctly with no math required. And if your newly minted pilot ever comes out west, he'll never be able to set to "0" or AGL, the altimeter does not "unwind" far enough. If your newly minted pilot ever contacts any ATC facility for transition around controlled airspace, the ATC will issue an altimeter setting which he is expected to set and the report his altitude accordingly. But now he is set to MSL and not AGL and he's never delt with MSL before. Your pilot is flying with others who are taught MSL, but his altimeter is set to AGL. When they report locations and altitudes they are expecting MSL and who is going to miss report or miss interpret? The pilot set to AGL!! Teach them right the first time and forget it!! Sorry, I forgot to sign my post. T, CFIG |
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