NavList:

Bruce wrote:

3) I have looked, and bid on, several a-12 air sextants on e-bay. Has
anyone ever had a good result with an e-bay A-12?  Are they fairly
rugged? I hate buying a pig in a poke, but celestaire is not cheap (like
me).
  

A few years ago, I was able to buy a an5851 aircraft sextant for about $150 on ebay.  Mine is in pretty much mint condition and has the averaging mechanism and original Bakelite case.  This is a fairly heavy instrument  but does have a ring for suspending it in your aircraft  navigation dome. This sextant can both be used with the bubble or the horizon and is equipped with various filters and an stigmatizer. Don't expect more than a minute or so of precision though.



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