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ADF or RMI?



 
 
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  #12  
Old November 29th 03, 06:29 AM
Richard Kaplan
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"Tom S." wrote in message ...


was under the (mistaken??) assumption that they made NDB approaches easier.



Yes, an RMI does make an NDB approach easier because an RMI shows
easily and intuitively your bearing to an NDB. It works very similar
to an ADF with a slaved rotating compass card. This means that
applying wind correction on an NDB approach is much easier with an
RMI.

That said, I would not recommend investing money in an RMI right now.
Not only can you get TWO electronic RMIs in a Sandel EHSI, but you can
even set up a portable Garmin 195 or 295 or 196 GPS with a bearing
pointer that functions as an RMI. If you have an IFR-legal ADF in
your airplane, it is perfectly legal to fly an NDB approach while you
supplement your ADF navigation with RMI information from your portable
GPS -- just be sure your ADF remains your primary navigational source.

--
Richard Kaplan, CFII

www.flyimc.com
 




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