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Garry,

I can help you with question #1.
 
I've collected quite a few books on Celestial Navigation, first because I am a 
certified bibliophile and secondly my wife challenged me to learn an abstract 
concept on my 55th birthday...I chose Celestial Navigation.
For a basic text that explains the method and the theory, I've not found one 
better than Hewitt Schlereth's "Celestial Navigation in a Nutshell". Hewitt 
posts on this list from time to time so if you have issues you can take them 
to the source.

My second choice would be "Practical Celestial Navigation" by Susan Howell. 
Although this references HO 229, I found her text a good contrast to Hewitt's 
book as I was learning, her life story is very compelling as well.

I could see the concept and methods but the understanding was a bit shady so I 
enrolled in Starpath's online course. David Burch and his folks do an 
outstanding job. Having someone look at your work and lead you to a 
resolution can save hours of head banging. It's not inexpensive but I found 
it well worth the money and you can get your "stupid" questions answered in a 
private manner.

When you need some data to practice on search for "Silicon Sea", a set of data 
produced by this list. Another option is "100 Problems in Celestial 
Navigation" by Leonard Gray. Lots of stuff there to hone your skills on.

Beyond that, this list can answer any navigation question that has an answer. 
The folks on this list are quite literally the best in the world.

Best Wishes,

Ron Irwin


--- On Mon, 12/15/08, JODIE COST  wrote:

> From: JODIE COST 
> Subject: [NavList 6756] Bubble Sextants
> To: NavList@fer3.com
> Date: Monday, December 15, 2008, 6:40 AM
> I am a commercial pilot here in Alaska and just starting my
> education in celestial navigation and I have two questions
> for the group.
> 
> As I have yet to find anyone teaching celestial navigation
> in the Anchorage area what home study courses or text do you
> recommend ?
> 
> Since I plan on using these skills on land and from the
> cockpit I an interested in a good bubble sextant, but which
> one? From what I've read, the R.A.F. MK IX seems to be
> highly recommended but I have yet to find a reliable source
> for them ( I won't use ebay for the purchase precision
> instruments). The U.S.Navy MK 5 and the U.S.A.A.F. A-14 are
> available in overhauled condition but don't seem to be
> as highly recommended as the MK IX. 
> 
> Since I plan to use this sextant for navigation in flight
> would an averaging device be useful?
> 
> Thank you in advance for your help.
> 
> Garry Cost� � 
> 
> 
> 
> 
>       
> 

      

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