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A busy day over Scotland...where did you go today?

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A busy day over Scotland...where did you go today?

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Old 26th May 2012, 23:35
  #21 (permalink)  
 
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Prestwick - Carlisle - Prestwick. Was hoping to also get to Castle Kennedy but it took me an extra hour getting to Prestwick due to roadworks. Glad I have a relaxed instructor!
Turbulence was bad on 07 into Carlisle, and someone called joining base when I was end of down wind. Apparently his idea of base was a 4 mile finals 500 feet above circuit height...
All good experience though!
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Old 27th May 2012, 07:37
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Bit of thread drift here indeed Bigears...glad you had a nice trip....by the look of the weather today it looks like I may get a bashing again this afternoon although maybe pulling my lovely femail trainee's strings....safe flying to you all..
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Old 27th May 2012, 22:59
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Smile

Spoke with your female trainee today, and very good she is too. On route Plockton today- truly beautiful
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Old 28th May 2012, 06:53
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MAXRED...
Spoke with your female trainee today, and very good she is too. On route Plockton today- truly beautiful
I was behind her working her strings glad you had a nice flight.
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Old 28th May 2012, 07:35
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I guess so. The wind was quartering from behind (about 120 degrees off our track) - am I right in thinking the waves are always more or less perpendicular to the wind direction?

Not technically correct. Mountain wave is generally parallel to and downwind of the ridge or mountain range which triggers it, hence it may be at an angle to the wind direction and not necessarily directly behind (at 90 degrees) to the originating ridge. If there is visible cloud (lenticulars) then the quickest track out of the sink or lift is at 90 degrees to the line of the wave/cloud; in clear air it requires a bit of knowledge to work out which way to move.
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Old 28th May 2012, 07:57
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Balmaha is where the Highland Boundary fault meets the east side of Loch Lomond. Look on Google Earth, get a slanting viewpoint and you can see it marching north-east to Stonehaven. You can also see the chain of islands running to the SW across the Loch marking where it is.

If you want to know where somewhere is, the two best resources I know are Google Earth and streetmap.co.uk.
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Old 28th May 2012, 08:09
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Originally Posted by ppl_fresher

<snip>

On a completely different topic, I encountered mountain wave for the first time today. 30kt winds over the welsh hills, there was at least a 500fpm rate of climb/descent. I was surprised that each wave seemed to last for about 10 miles - I'd always thought they were less than a mile wide.
Wavelength depends on wind strength, and whilst the lenticular cap may well be less than a mile wide, the wavelength - cap to cap - is usually a lot more. 10 miles is not at all unusual in Scotland, though the wind will be stronger than you experienced.

The lenticulars marking the crests can be seen clearly on some satellite pics.

Mountain Wave Soaring
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Old 28th May 2012, 08:12
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thing, jgs84, cats_five - thank you! Interestingly we were going the other way about 20 miles west of the same track on Sunday, in only slightly lighter winds - and there was no sign of the waves at FL60.

On another topic entirely, we had filed a VFR flight plan from Collonsay for the way back, but Scottish Control on 127.275 didn't seem to have a copy to activate it (even though it was addressed to Prestwick FIR). Is there some other AFTN address we should use?

Last edited by ppl_fresher; 28th May 2012 at 08:22.
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Old 28th May 2012, 09:05
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I "worked Scottish" on the way to Glenforsa from Lichfield on Saturday & again on the way back home yesterday and very good you were too
Reception was good for us but I heard a lot of people struggling to hear others... Cracking weekend thanks for your help.
ATB
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Old 28th May 2012, 09:05
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PPL...
On another topic entirely, we had filed a VFR flight plan from Collonsay for the way back, but Scottish Control on 127.275 didn't seem to have a copy to activate it (even though it was addressed to Prestwick FIR). Is there some other AFTN address we should use?
To be honest the FPL would have been in the system but as VFR traffic is never put into our computer system the sector controller may not have received your strip. As Scottish Info on 127.275 is shared with at times a busy radar sector the controller probably never had time to go searching. My Scottish Info sector on 119.875 is a non control or radar sector so we would have time to chase up your plan and phone AFPEX to activate.
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