The compass rule reminds me of the offshore yacht racing rules which
required a sextant as an emergency backup for GPS or Satnav.
Apart from almost nobody being able to use a sextant or being able to
use it on the deck of a small boat in a sea or being able to do the
calculations to fix your
I was once sailing near Dangerous Reef on a moonless night in fog near port
Lincoln.
The compass kept on turning through 360 degrees and we finally shone a light
out from the stern to look at the wake.
Sure enough we were going in circles but did not believe the compass.
Lucky we had a
I also carry an astrolabe (secured by string) in my aircraft. After a very
long flight it may be necessary to calculate last light, which may be different
from the location I took off from.
In a remote place or if power has failed, I can always quickly recalculate
based on my location.
I
...@lists.internode.on.net
[mailto:aus-soaring-boun...@lists.internode.on.net] On Behalf Of Michael
Scutter
Sent: Thursday, 26 September 2013 10:23 PM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] bohli compass for sale
I also carry an astrolabe (secured by string
to Soaring in Australia.
Subject: Re: [Aus-soaring] bohli compass for sale
I also carry an astrolabe (secured by string) in my aircraft. After a very
long flight it may be necessary to calculate last light, which may be
different from the location I took off from.
In a remote place or if power has failed
On 26/09/2013, at 10:23 PM, Michael Scutter michael_scut...@yahoo.com.au
wrote:
I haven't had it calibrated for a while. Does any one know of an accredited
service centre in Australia, or must I return it to the manufacturer?
I'd suggest returning it to the manufacturer. No return address
In Medina?
Michael
On 27 Sep 2013, at 7:04 am, Mark Newton new...@atdot.dotat.org wrote:
On 26/09/2013, at 10:23 PM, Michael Scutter michael_scut...@yahoo.com.au
wrote:
I haven't had it calibrated for a while. Does any one know of an accredited
service centre in Australia, or must
mailto:grietje.wans...@gmail.com wrote:
I have two bohli compass' for sale.
Grietje
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I could be interested.
Peter Champness
On Wed, Sep 25, 2013 at 6:15 PM, Grietje Wansink
grietje.wans...@gmail.comwrote:
I have two bohli compass' for sale.
Grietje
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I have two bohli compass' for sale.
Grietje
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mailto:grietje.wans...@gmail.comgrietje.wans...@gmail.com wrote:
I have two bohli compass' for sale.
Grietje
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http
That prompts a discussion re the legalities.
I’m vaguely aware, so would like to hear more.
Chris
From: Mike Borgelt
Sent: Wednesday, September 25, 2013 7:43 PM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] bohli compass for sale
Compasses?
Oh yes, I
:* Wednesday, September 25, 2013 7:43 PM
*To:* Discussion of issues relating to Soaring in Australia.
mailto:aus-soaring@lists.internode.on.net
*Subject:* Re: [Aus-soaring] bohli compass for sale
Compasses?
Oh yes, I remember looking at one once in a glider. About early 1993
when we just had
, September 25, 2013 7:43 PM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] bohli compass for sale
Compasses?
Oh yes, I remember looking at one once in a glider. About early 1993 when we
just had GPS and on that leg the turnpoint was bearing 145 degrees
On 25 Sep 2013, at 8:26 pm, Grietje Wansink grietje.wans...@gmail.com wrote:
compass is only mandatory in motor gliders as far as I know.
I don't think that's right.
http://www.comlaw.gov.au/Details/F2012C00683 is the GFA exemption. Its only
reference to instruments concerns turn and bank
It is under EASA.
Grietje
On 25/09/13 3:23 PM, Mark Newton wrote:
On 25 Sep 2013, at 8:26 pm, Grietje Wansink grietje.wans...@gmail.com
mailto:grietje.wans...@gmail.com wrote:
compass is only mandatory in motor gliders as far as I know.
I don't think that's right.
Borgelt mborg...@borgeltinstruments.com
*Sent:* Wednesday, September 25, 2013 7:43 PM
*To:* Discussion of issues relating to Soaring in
Australia.aus-soaring@lists.internode.on.net
*Subject:* Re: [Aus-soaring] bohli compass for sale
Compasses?
Oh yes, I remember looking at one once in a glider
On 26/09/2013, at 12:47 AM, Grietje Wansink grietje.wans...@gmail.com wrote:
It is under EASA.
Understood. But anyone operating a VH registered glider is under CASA rules.
(which technically makes your compass more valuable, I suppose :-)
- mark
: Thursday, 26 September 2013 12:56 AM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] bohli compass for sale
Not sure that there are any, it is required to be installed, not
consulted:-)
Cheers
Paul
On Sep 25, 2013 12:05 PM, Christopher McDonnell wommamuku
I've got a Bohli compass,
and I am pretty sure there is a southern hemisphere (type S, 46-MFK-1) and a
northern hemisphere version (type N) ,
due to it's unique design.
- well, that's what my Bohli manual says.
Also, my Form 2 inspector has advised it is a required fitment.
I am
] On Behalf Of S S
Sent: Thursday, 26 September 2013 8:28 AM
To: aus-soaring@lists.internode.on.net
Subject: [Aus-soaring] bohli compass for sale.
I've got a Bohli compass,
and I am pretty sure there is a southern hemisphere (type S, 46-MFK-1)
and a northern hemisphere version (type N) ,
due
people.
Pam
-Original Message-
From: aus-soaring-boun...@lists.internode.on.net
[mailto:aus-soaring-boun...@lists.internode.on.net] On Behalf Of S S
Sent: Thursday, 26 September 2013 8:28 AM
To: aus-soaring@lists.internode.on.net
Subject: [Aus-soaring] bohli compass for sale.
I've got
-soaring-boun...@lists.internode.on.net
[ mailto:aus-soaring-boun...@lists.internode.on.net] On Behalf Of S S
Sent: Thursday, 26 September 2013 8:28 AM
To: aus-soaring@lists.internode.on.net
Subject: [Aus-soaring] bohli compass for sale.
I've got a Bohli compass,
and I am pretty sure
Compasses are a good piece of equipment in a glider if they are new
and clean. They remind us of our heritage.
Mine is very accurate and easily passes any form 2 or pre-flight
inspection. The casing has been filled with a water-clear casting
resin so that the card is rigid and clearly visible at
On Sep 26, 2013, at 11:41 AM, DMcD slutsw...@gmail.com wrote:
Mine is very accurate and easily passes any form 2 or pre-flight
inspection. The casing has been filled with a water-clear casting
resin so that the card is rigid and clearly visible at all times and
does not suffer the yellowing
At 07:50 AM 26/09/2013, you wrote:
snip
The rule wasn't handed to Moses by God on stone tablets. It is the
GFA MOSP, written by people and can be changed by people.
Now you may have a little trouble running that by CASA to eliminate
the compass(I'm told a while ago that it wasn't required
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