Today's Message Index:
----------------------
1. 07:33 AM - Re: Yak 18T/ M14P Compressor Ram Air Cooling Horn (KingCJ6@aol.com)
2. 07:33 AM - Re: Aerostars (UK!) Video (Etienne Verhellen)
3. 08:46 AM - M14P air compressor cooling horn (Byron Fox)
4. 10:52 AM - YAKLIST (Richard Goode)
5. 10:55 AM - Re: Yak 18T/ M14P Compressor Ram Air Cooling Horn (Roger Kemp M.D.)
6. 11:00 AM - Re: YAKLIST (ssssskippy)
7. 11:06 AM - Re: YAKLIST (Jan Mevis)
8. 11:07 AM - Re: YAKLIST (Rico Jaeger)
9. 11:33 AM - Re: YAKLIST (Javier Carrasco)
10. 11:40 AM - Re: Yak 18T/ M14P Compressor Ram Air Cooling Horn (doug sapp)
11. 11:41 AM - Re: YAKLIST (Jeff Franchini)
12. 11:47 AM - Re: YAKLIST (Etienne Verhellen)
13. 11:48 AM - nav light wiring ()
14. 11:50 AM - Re: YAKLIST (Gary Gabbard)
15. 12:24 PM - hydraulic lock (Richard Goode)
16. 01:34 PM - Re: hydraulic lock (Patrick Ashura)
17. 01:54 PM - Re: nav light wiring (Francisco Mendes)
18. 03:39 PM - Re: hydraulic lock (Thomas McKeon)
19. 04:35 PM - Re: hydraulic lock (Bitterlich, Mark G CIV NAVAIR, WD)
20. 04:58 PM - SNF Registration (Cpayne)
21. 06:21 PM - Re: European registration/certification (Etienne Verhellen)
Message 1
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| Subject: | Re: Yak 18T/ M14P Compressor Ram Air Cooling Horn |
Would the more widely available brass French horn also be a compatible
replacement?
In a message dated 3/13/2013 10:13:00 P.M. Pacific Daylight Time,
byronmfox@gmail.com writes:
--> Yak-List message posted by: Byron M Fox <byronmfox@gmail.com>
Because I've experienced insufficient cooling using the original Chinese
horn on my M14P converted CJ, I borrowed an Yak18T horn from Vladimir and
had it replicated in carbon fiber and fiber glass. New or used Y18T horns are
essentially impossible to find.
If there is enough interest, the talented fellow who made the horn will
produce more, and make them available through Doug Sapp. The price will
depend largely on the amount of interest generated. Let me know if this appeals
to others .
Blitz Fox
415-307-2405
Message 2
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| Subject: | Re: Aerostars (UK!) Video |
The YAKOVLEVS ... another fantastic Formation Aerobatic Team (UK) ...
flying Yaks (1 Yak-52 SUPER and 3 Yak-50) led by Mr Jez HOPKINSON :D
http://www.yakovlevs.com/
http://www.militaryairshows.co.uk/teamg.htm
ENJOY :
http://www.youtube.com/watch?v=UyG5RvMz3xE
http://www.youtube.com/watch?v=R6Go_mnl80s
http://www.youtube.com/watch?v=MylxiYj3QKA
http://www.youtube.com/watch?v=p9Brjt4YkmU
http://www.youtube.com/watch?v=yuS_rko6ciE
Etc ... 8)
Last year, they were invited to display in China !
http://www.thisissomerset.co.uk/Yakovlevs-aerobatic-display-draws-television/story-16963118-detail/story.html#axzz2NWRRuxko
http://www.youtube.com/watch?v=W-lWO7UUCSc
http://www.youtube.com/watch?v=KpjybIrEVfk
Guess you cannot do that in the US of A [Exclamation] :
http://www.youtube.com/watch?v=BRBZy3lUn8Q
http://www.youtube.com/watch?v=SkoaBj1wHKU
Nice article on the Yak-50 (written by one of the YAKOVLEVS' pilot) :
http://www.yakovlevs.com/wp-content/uploads/2011/07/FLYER.Yak-50.pdf
...
Cheers and BR, Etienne.
http://i1089.photobucket.com/albums/i352/Mark_Salter/IMG_2442_1_1.jpg
http://i1089.photobucket.com/albums/i352/Mark_Salter/IMG_2477_3_1.jpg
http://i1089.photobucket.com/albums/i352/Mark_Salter/IMG_2418_2.jpg
http://i1089.photobucket.com/albums/i352/Mark_Salter/Img_2406_2.jpg
...
http://m8.i.pbase.com/g1/60/43760/2/146113628.xtXRrTv9.jpg
http://m8.i.pbase.com/g2/60/43760/2/146788728.zbf8HiHc.jpg
http://www.airplane-pictures.net/images/uploaded-images/2012-10/1/240525.jpg
[Arrow]
http://www.photoflyingdays.com/2012/Yak52/JangSu-Lee_02.jpg
http://www.photoflyingdays.com/2012/Yak52/Michae-de-Boer_48.jpg
http://www.photoflyingdays.com/2012/Yak52/daniel_rychcik_07817.jpg
http://www.photoflyingdays.com/2012/Yak52/sylvain-artu_16.jpg
http://www.photoflyingdays.com/2012/Yak52/sylvain-artu_17.jpg
http://www.photoflyingdays.com/2012/Yak52/sylvain-artu_18.jpg :)
--------
http://ukga.com/content/view?contentId=29581
http://ukga.com/images/content/image29581.jpg
http://www.flyredstar.org/gallery2/Yak/Heimo_Lamberg_011.jpg
http://www.flyredstar.org/gallery2/Yak/Etienne%20landing%20747-400..jpg
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=396241#396241
Message 3
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| Subject: | M14P air compressor cooling horn |
I failed to be more explicit and to include the picture. This is the "pipe"
which brings cooling ram air through the shutters (gills) on the starboard s
ide of the engine and blows it on to the cooling fins of the air compress
or.
The Yak 18T cooling horn essentially surrounds the compressor, making coolin
g and compressor intake air cooler and therefore more efficient. More photog
raphs of the installation to follow.
Blitz Fox
415-307-2405
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre></body></html>
Message 4
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If anyone would like to see the consequence of a proper hydraulic lock with
broken connecting rod, please let me know and I will send you a couple of
pictures.
Regards Richard
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
Message 5
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| Subject: | Re: Yak 18T/ M14P Compressor Ram Air Cooling Horn |
Throw my name on the list please.
Doc Kemp
Sent from my iPad
On Mar 14, 2013, at 9:30 AM, KingCJ6@aol.com wrote:
> Would the more widely available brass French horn also be a compatible rep
lacement?
>
> In a message dated 3/13/2013 10:13:00 P.M. Pacific Daylight Time, byronmfo
x@gmail.com writes:
>
> Because I've experienced insufficient cooling using the original Chinese h
orn on my M14P converted CJ, I borrowed an Yak18T horn from Vladimir and had
it replicated in carbon fiber and fiber glass. New or used Y18T horns are e
ssentially impossible to find.
>
> If there is enough interest, the talented fellow who made the horn will pr
oduce more, and make them available through Doug Sapp. The price will depend
largely on the amount of interest generated. Let me know if this appeals t
o others .
>
>
> Blitz sp; ies ay - MATRONICS WEB FORUMS - List Con
tribution Web Site p;
>
>
>
>
>
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>
Message 6
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Let send them to me :-)!
Thanks
Olivier V
Le 14 mars 2013 =C3- 18:49, "Richard Goode" <richard.goode@russianaeros.co
m> a =C3=A9crit :
> If anyone would like to see the consequence of a proper hydraulic lock wit
h broken connecting rod, please let me know and I will send you a couple of p
ictures.
>
> Regards Richard
>
> Richard Goode Aerobatics
> Rhodds Farm
> Lyonshall
> Herefordshire
> HR5 3LW
> United Kingdom
>
> Tel: +44 (0) 1544 340120
> Fax: +44 (0) 1544 340129
> www.russianaeros.com
>
>
>
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>
Message 7
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Yes Richard, I am always interested in such information!
BR,
Jan
From: Richard Goode <richard.goode@russianaeros.com>
Subject: Yak-List: YAKLIST
If anyone would like to see the consequence of a proper hydraulic lock with
broken connecting rod, please let me know and I will send you a couple of
pictures.
Regards Richard
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com <http://www.russianaeros.com>
Message 8
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I would. And I can't imagine anyone on the list would be opposed. I just
want to learn. THANKS for sharing!
On Thu, Mar 14, 2013 at 12:49 PM, Richard Goode <
richard.goode@russianaeros.com> wrote:
> If anyone would like to see the consequence of a proper hydraulic lock
> with broken connecting rod, please let me know and I will send you a couple
> of pictures.****
>
> ** **
>
> Regards Richard ****
>
> ** **
>
> Richard Goode Aerobatics****
>
> Rhodds Farm****
>
> Lyonshall****
>
> Herefordshire****
>
> HR5 3LW****
>
> United Kingdom****
>
> ** **
>
> Tel: +44 (0) 1544 340120****
>
> Fax: +44 (0) 1544 340129****
>
> www.russianaeros.com****
>
> ** **
>
> *
>
> *
>
>
--
Rico Jaeger
Choir / East High School
General Music / Horace Mann
Message 9
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Message 10
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| Subject: | Re: Yak 18T/ M14P Compressor Ram Air Cooling Horn |
The addition of the 18T style cooling horn on the air compressor should
extend the life of the compressor because it will allow it to run both
cooler and cleaner. With the price of new compressors being just north of
$1000.00 now, this may be something to consider.
Doug
On Thu, Mar 14, 2013 at 10:52 AM, Roger Kemp M.D.
<viperdoc@mindspring.com>wrote:
> Throw my name on the list please.
> Doc Kemp
>
> Sent from my iPad
>
> On Mar 14, 2013, at 9:30 AM, KingCJ6@aol.com wrote:
>
> Would the more widely available brass French horn also be a compatible
> replacement? ****
>
> In a message dated 3/13/2013 10:13:00 P.M. Pacific Daylight Time,
> byronmfox@gmail.com writes:
>
>
> Because I've experienced insufficient cooling using the original Chinese
> horn on my M14P converted CJ, I borrowed an Yak18T horn from Vladimir and
> had it replicated in carbon fiber and fiber glass. New or used Y18T horns
> are essentially impossible to find.
>
> If there is enough interest, the talented fellow who made the horn will
> produce more, and make them available through Doug Sapp. The price will
> depend largely on the amount of interest generated. Let me know if this
> appeals to others .
>
>
> Blitz sp; ies ay - MATRONICS WEB FORUMS - List
> Contribution Web Site p;
>
>
> *
>
> *
>
> *
>
> *
>
>
Message 11
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I'd like to see those pics.
Thanks!
Jeff.
On Thu, Mar 14, 2013 at 10:49 AM, Richard Goode <
richard.goode@russianaeros.com> wrote:
> If anyone would like to see the consequence of a proper hydraulic lock
> with broken connecting rod, please let me know and I will send you a couple
> of pictures.****
>
> ** **
>
> Regards Richard ****
>
> ** **
>
> Richard Goode Aerobatics****
>
> Rhodds Farm****
>
> Lyonshall****
>
> Herefordshire****
>
> HR5 3LW****
>
> United Kingdom****
>
> ** **
>
> Tel: +44 (0) 1544 340120****
>
> Fax: +44 (0) 1544 340129****
>
> www.russianaeros.com****
>
> ** **
>
> *
>
> *
>
>
Message 12
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Consequence of a proper hydraulic lock - broken connecting rod.
=============================================
Dear Richard,
I am sure ALL the pilots on the list would like to see your photos -
for educational purposes - PLEASE, DO POST THEM on the Yak-list.
Thanks. Will save you a lot of time in the long run ...
if you have to send the pics to ALL the pilots discovering your msg on the list
[Wink]
Very nice toys you have for sale on your website ... especially the shinny Su-29
($$$) and of course the lovely Yak-50 () I love ... as you know. [Wink]
KR, Etienne.
PS : Had my prop dynamically balanced by Gena last week in White Waltham (just
before DA Renewal). He did a fantastic job ... 90 grams
finally required ! No surprise I had my eyeballs shaking inside my skull [Exclamation]
--------
http://ukga.com/content/view?contentId=29581
http://ukga.com/images/content/image29581.jpg
http://www.flyredstar.org/gallery2/Yak/Heimo_Lamberg_011.jpg
http://www.flyredstar.org/gallery2/Yak/Etienne%20landing%20747-400..jpg
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=396263#396263
Attachments:
http://forums.matronics.com//files/uk_caa__display_authorisation_da_n_868__06_april_2014_102.jpg
Message 13
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| Subject: | nav light wiring |
Would someone that has wired nav lights on a Yak 52 please give me some
insight on how to route the wires down the wings? I currently have the
fuel tanks out, and before installing the bigger tanks, thought it would
be the right time to run wire for nav/strobe lights.
Jim Burke
Yak 52 N426YK
Message 14
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Hi Richard. Yes I think it would be educational for the group. Why not just
publish it on this site? It would be a good safety demonstration to show s
hat happens when one does not pull the prop thru. I know of one engine that h
ad about 10 hrs on it since new. The gentleman parked the airplane for about
20 minutes went out and started it. And you guessed it. It Hyd locked and b
ent a rod. It can happen in a very short. Period of time. Gary. N22YK
Sent from my iPhone
On Mar 14, 2013, at 10:49, "Richard Goode" <richard.goode@russianaeros.com> w
rote:
> If anyone would like to see the consequence of a proper hydraulic lock wit
h broken connecting rod, please let me know and I will send you a couple of p
ictures.
>
> Regards Richard
>
> Richard Goode Aerobatics
> Rhodds Farm
> Lyonshall
> Herefordshire
> HR5 3LW
> United Kingdom
>
> Tel: +44 (0) 1544 340120
> Fax: +44 (0) 1544 340129
> www.russianaeros.com
>
>
>
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>
Message 15
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A number of people have asked for the photos I wrote about, and they will be
sent out tomorrow. The reason for not posting them directly was that I was
under the impression that posting photos wasn't permitted on the Yak - list!
Anyway it is quite spectacular - the connecting rod failed, but the engine
went on running for another 20 minutes until landing. The forces were so
great that even the master rod was bent, which I have never seen before.
I would say that you cannot underestimate the risk of a hydraulic lock,
particularly with an old engine and an oil pump check - valve that is
worn/sticking and allowing oil through the oil pump into the engine.
It is also worth saying that we have recently received an engine that was
hydraulic locked with fuel, in this case just a bent rod but clearly serious
over - priming!
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
Message 16
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| Subject: | Re: hydraulic lock |
Richard-would you send photos to me?
PJ Ashura
pjsales@me.com
Sent from my iPhone
On Mar 14, 2013, at 12:21, Richard Goode <richard.goode@russianaeros.com> wr
ote:
> A number of people have asked for the photos I wrote about, and they will b
e sent out tomorrow. The reason for not posting them directly was that I was
under the impression that posting photos wasn't permitted on the Yak
=93 list!
>
> Anyway it is quite spectacular =93 the connecting rod failed, but th
e engine went on running for another 20 minutes until landing. The forces we
re so great that even the master rod was bent, which I have never seen befor
e.
>
> I would say that you cannot underestimate the risk of a hydraulic lock, pa
rticularly with an old engine and an oil pump check =93 valve that is w
orn/sticking and allowing oil through the oil pump into the engine.
>
> It is also worth saying that we have recently received an engine that was h
ydraulic locked with fuel, in this case just a bent rod but clearly serious o
ver =93 priming!
>
> Richard Goode Aerobatics
> Rhodds Farm
> Lyonshall
> Hereford
> HR5 3LW
>
> Tel: +44 (0) 1544 340120
> Fax: +44 (0) 1544 340129
> www.russianaeros.com
>
>
>
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=========
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=========
>
Message 17
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| Subject: | Re: nav light wiring |
I've done both recently. Away from my computer, but I'll find my pics and se
nd them when I get home.
Franc (4802903977)
Sent from my iPhone
On Mar 14, 2013, at 11:46 AM, <jimmy@pfmengineering.com> wrote:
> Would someone that has wired nav lights on a Yak 52 please give me some i
nsight on how to route the wires down the wings? I currently have the fuel t
anks out, and before installing the bigger tanks, thought it would be the ri
ght time to run wire for nav/strobe lights.
>
> Jim Burke
> Yak 52 N426YK
>
>
==========================
=========
==========================
=========
==========================
=========
==========================
=========
>
Message 18
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Please send me the photo's of the hydraulic lock. Not too long ago I hydr
aulic locked my engine. I pulled the prop through multiple times after ove
r a month of not flying. It still locked up. I do not have an oil drain k
it=2C and I'm told oil from the intake valves caused it.
Tmckeon79@hotmail.com
From: richard.goode@russianaeros.com
Subject: Yak-List: hydraulic lock
A number of people have asked for the photos I wrote about=2C and they will
be sent out tomorrow. The reason for not posting them directly was that I
was under the impression that posting photos wasn't permitted on the Yak
' list!
Anyway it is quite spectacular ' the connecting rod failed=2C but the eng
ine went on running for another 20 minutes until landing. The forces were s
o great that even the master rod was bent=2C which I have never seen before
.
I would say that you cannot underestimate the risk of a hydraulic lock=2C p
articularly with an old engine and an oil pump check ' valve that is worn
/sticking and allowing oil through the oil pump into the engine.
It is also worth saying that we have recently received an engine that was h
ydraulic locked with fuel=2C in this case just a bent rod but clearly serio
us over ' priming!
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
Message 19
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Thomas, I have intentionally stayed out of this discussion as there are man
y more expert than myself. But this needs to be said, especially with Rich
ards comments about fuel hydraulic locks.
It is actually possible for the person pulling the prop through to bend a r
od during that process itself. In other words, it does not always have to
be a case where oil (or fuel) is left in a cylinder and then the rod gets b
ent during an engine start attempt. It is actually possible to BEND THE PI
STON ROD while you are actually pulling the prop through by HAND. There is
enough leverage advantage due to the length of the prop itself, that a per
son pulling the prop through can actually cause the damage him (or her) sel
f.
Many new owners of these aircraft do not appreciate this fact and when they
pull the prop through, they do so rapidly and pretty much just yank it aro
und. Actually as you bring the prop up through each engine compression str
oke, you have to be very careful of what it feels like, and this can only b
e gained with practice.
During winter starts when the oil is thick, I personally have to be EXTREME
LY careful when pulling the prop through, and sometimes I just say to heck
with it and pull the lower spark plugs out and let it drain for an hour or
so even before pulling it through at ALL.
Intake drains are essential. Not only do they allow oil to come out of the
intake tubes, the drain kit also makes it darn near impossible to have a h
ydraulic lock from over-prime. Why? Because when you prime the supercharg
er, the excess fuel runs right to the bottom and then out the intake drains
.
When I prime my engine, I ALWAYS leave the intake drain kit valve OPEN so I
can watch the excess fuel run out that drain. If it does NOT, then I know
the intake drain is clogged up with oil and extreme caution is then requir
ed!
If you do not have an intake drain kit, then you have to follow the proper
checklist which calls for removing not only the lower spark plugs, but also
the intake drains themselves! The lower intake tube have screw out piece
s that allow you to get the oil out. So especially with an engine that has
not been started for a long time, you really need to pull the lower rear p
lugs, pull the intake drain plugs (if you do not have the optional intake d
rain kit installed) and AFTER you do all that THEN start pulling the prop t
hrough.
Since this was not done with your engine, it is likely that either you acci
dentally bend a rod while pulling the prop through initially (because the s
park plugs were not pulled first and the cylinders allowed to drain), or as
you mentioned yourself, the oil was in the intake tubes and got sucked in
and caused the hydraulic lock., Again, there are drains in the intake tube
s that should have been removed to allow them to drain first.
What can make this even worse is if you pull the prop through (without drai
ning the cylinders by pulling the lower spark plugs & intake drain plugs) t
hen feel it stop moving and then reverse rotation and pull the prop through
BACKWARDS. If you do that, it is highly likely that oil will be pushed ba
ck into the intake tubes once again setting you up for a disaster.
This is one of the real dangers of these engines and I am sorry that you ha
d this happen to you and I am writing this to make sure you totally underst
and how to keep it from happening again.
Best Regards,
Mark Bitterlich
From: Thomas McKeon
Sent: Thu 3/14/2013 6:36 PM
Subject: RE: Yak-List: hydraulic lock
Please send me the photo's of the hydraulic lock. Not too long ago I hydr
aulic locked my engine. I pulled the prop through multiple times after ove
r a month of not flying. It still locked up. I do not have an oil drain k
it, and I'm told oil from the intake valves caused it.
Tmckeon79@hotmail.com
From: richard.goode@russianaeros.com
Subject: Yak-List: hydraulic lock
A number of people have asked for the photos I wrote about, and they will b
e sent out tomorrow. The reason for not posting them directly was that I wa
s under the impression that posting photos wasn't permitted on the Yak - li
st!
Anyway it is quite spectacular - the connecting rod failed, but the engine
went on running for another 20 minutes until landing. The forces were so gr
eat that even the master rod was bent, which I have never seen before.
I would say that you cannot underestimate the risk of a hydraulic lock, par
ticularly with an old engine and an oil pump check - valve that is worn/sti
cking and allowing oil through the oil pump into the engine.
It is also worth saying that we have recently received an engine that was h
ydraulic locked with fuel, in this case just a bent rod but clearly serious
over - priming!
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
rget=_blank>http://www.matronics.com/Navigator?Yak-List
ttp://forums.matronics.com
=_blank>http://www.matronics.com/contribution
Message 20
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| Subject: | SNF Registration |
Sun 'n Funners,
The Warbird line crew is asking us to be sure and register at:
http://www.sun-n-fun.org/FlyIn/GettingHere/flying/Warbird-Registration.aspx
If you are coming to SNF. Reason: arrange for parking. There are BIG ramp changes
since last year and we may end up on hard surface. The alternative is some
very (at the moment) dry sod that is really dusty.
Craig Payne
Message 21
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| Subject: | Re: European registration/certification |
Yak-52 in France - Russian aircraft in France ex RA-xxxK (Yak-52, Yak-50, Yak-18T,
Yak-55, 54 ... also Sukhoi, Su-29, 31).
=====================================================================================
Dear Didier,
The French CAA - DGAC - OSAC in France is trying to find a 'solution' for Russian
aircraft in France ...
I don't think going to court will help ...
http://forums.matronics.com//files/iacono_pinon_dgac_appar_158.jpg
They are UK and Lithuanian registered Yaks flying in France ...
so I guess that is an option ...
Below you can read a small text 'La saga des avions russes en France'.
Indeed I think common sense must prevail and European countries should agree on
Common Standards
to maintain and operate Yaks (Russian aircraft) in Europe.
I have said this MANY TIMES before [Exclamation]
http://forums.matronics.com//files/flight_international_yak_52_issues_original_363.pdf
http://www.emagazine.flightinternational.com/1Z4dd63f96463e4012.cde/page/downloadPDF.php?id=14895&pages=497523
EASA has a few 'things' for Russian aircraft ...
http://www.easa.eu.int/certification/faq/general-aviation-FAQ.php#11
SPECIFIC AIRWORTHINESS SPECIFICATION (SAS) !
----------------------------------------------------------------------
For the Sukhoi-29 :
http://easa.europa.eu/certification/docs/sas/A.093/EASA%20SAS%20A%20093%20Su-29%20Iss%203.pdf
For the Su-31 :
http://easa.europa.eu/certification/docs/sas/A.094/EASA%20SAS%20A%20094%20Su-31%20iss%203.pdf
And for your aircraft Didier : the Yak-18T :
http://easa.europa.eu/certification/docs/sas/A.095/EASA%20SAS%20A%20095%20Yak-18T_Issue%205.pdf
So as long as your aircraft complies with this EASA SAS, I don't see any reasons
why the French CAA (DGAC)
would not issued you a Restricted C.of A.,
Certificat De Navigabilit ou CDN 'restreint'. SORTED.
The French CAA - OSAC seems to be struggling with the Yak-50 and especially the
Yak-52.
Vic is right ... Life time extensions (YDB) is a nightmare for Yaks ...
It is bad for the Yak-18T (3500 hours):
http://easa.europa.eu/certification/docs/sas/A.095/EASA%20SAS%20A%20095%20Yak-18T_Issue%205.pdf
A lot worst for the Yak-52 (600 hours):
http://www.yakuk.com/MPD1998-017R5.pdf
And terrible for the Yak-50 (300 hours) :
http://www.yakuk.com/MPD2002-009R1.pdf
Anyway ...
The UK CAA has established a system to organise the maintenance of Yaks.
Maybe the French CAA (DGAC-OSAC) could use this existing system to organise the
issue of Certificat de Navigabilit (CDN restreint)
or 'Laissez passez de navigation' to issue their own CONSIGNE DE NAVIGABILIT for
the Yak-52.
I have attached a copy of the UK CAA documents issued by the UK CAA for the Yak-52.
Maybe it can help.
Good luck,
Etienne.
http://forums.matronics.com/files/img_6467_photo_flying_days_zoersel_18_augustus_2012_frank_etienne_stephen_890.jpg
http://forums.matronics.com/files/2010_05_15_tom_houquet_10_942.jpg
http://forums.airshows.co.uk/viewtopic.php?f=32&t=46362
http://ukga.com/images/content/image29581.jpg
--------
http://ukga.com/content/view?contentId=29581
http://ukga.com/images/content/image29581.jpg
http://www.flyredstar.org/gallery2/Yak/Heimo_Lamberg_011.jpg
http://www.flyredstar.org/gallery2/Yak/Etienne%20landing%20747-400..jpg
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=396292#396292
Attachments:
http://forums.matronics.com//files/yakovlev_propeller_log_book_life_6_years__500_hours_cover_111.jpg
http://forums.matronics.com//files/yakovlev_propeller_overhaul_equal_6_years__500_hours_certificate_762.jpg
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http://forums.matronics.com//files/yak_engine_log_book_m_14p_overhaul_500_hours__log_entry_987.jpg
http://forums.matronics.com//files/yak_52_permit_to_fly__certificate_of_validity_113.jpg
http://forums.matronics.com//files/yak_52_permit_to_fly__conditions_1_141.jpg
http://forums.matronics.com//files/yak_52_permit_to_fly__conditions_2_108.jpg
http://forums.matronics.com//files/time_limited_task_life_items__yakovlev__uk_caa_cover_620.jpg
http://forums.matronics.com//files/time_limited_task_life_items__yakovlev__uk_caa_page_5_867.jpg
http://forums.matronics.com//files/yakovlev_airframe_life_extension_as_prescribed_by_ydb_204.jpg
http://forums.matronics.com//files/yakovlev_airframe_life_extension_ydb__approval_certificate_182.jpg
http://forums.matronics.com//files/yakovlev_airframe_life_aircraft_logbook__cover_909.jpg
http://forums.matronics.com//files/la_saga_des_avions_russes_en_france__dgac__osac_112.jpg
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