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John_Mitchell · October 3rd, 2006, 02:31

I was flying tonight and was worried about the altitude difference between my altimeter and my transponder and couldn't wait to get on land and search JC for this post. Anyway, I was flying tonight and the reported altimeter setting was 30.15 and my altimeter was reading 3,000, but my transponder was reading 2,600. Is this because of the explanations in the previous post...that being that the transponder is reading altitude based on pressure altitude? So, basically, when flying, I should go by my altimeter, not the transponder altitude reading?

October 3rd, 2006, 02:31	#8
John_Mitchell Junior Member Join Date: Jun 2005 Posts: 112	Re: Question about Mode C I was flying tonight and was worried about the altitude difference between my altimeter and my transponder and couldn't wait to get on land and search JC for this post. Anyway, I was flying tonight and the reported altimeter setting was 30.15 and my altimeter was reading 3,000, but my transponder was reading 2,600. Is this because of the explanations in the previous post...that being that the transponder is reading altitude based on pressure altitude? So, basically, when flying, I should go by my altimeter, not the transponder altitude reading? __________________ Private Pilot, ASEL :-)