The Washington FSDO inspector stated in no uncertain words that because I had applied for Day and Night VFR Airworthiness Certification, my KR-2, N6242, in addition to the Dynon D10A with its internal magnetic compass sensor and the remote mounted magnetometer compass sensor, had to have a mechanical wet magnetic compass (with correction card). Accuracy of the three magnetic compasses was not an issue for the FAA inspector; redundancy for safety of flight for Night VFR was the compelling issue. Removing the panel mounted wet compass would have voided the Airworthiness Certificate. A magnetic compass is not required for non-commercial, Day VFR Airworthiness Certification.
Sid Wood California, MD, USA From: Chris Pryce via KRnet Sent: Saturday, March 26, 2022 6:09 PM To: KRnet Cc: Chris Pryce Subject: Re: KRnet> Instrument Panel for my KR2S I don't have a magnetic compass and I didn't have any issues with getting my certificate. On Sat, Mar 26, 2022, 14:37 n357cj via KRnet <krnet@list.krnet.org> wrote: Hey Guys, I was watching some videos with my coffee this morning on instrument panels and one guy mentioned that if with a glass panel you have a magnetometer installed you don't need a wet compass... so did he mean that because they are accurate and not needed or is the wet compass replaced in the FAA's eyes for inspection purposes. I had a magnetometer with the D10a installed in 357CJ and it was completely accurate but at no time did I think that legally I could have removed the panel mounted compass. Joe Horton
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