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How it is in England

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yakplt(at)yahoo.com
Guest

Posted: Thu Apr 01, 2010 2:53 pm Post subject: How it is in England

Richard Goode, can you comment on this please?  

  

 So, a YAK-50 flying straight and level goes dead at 600 hours?  NICE!  What the heck, over?  

  

 Mark Bitterlich

  

  

 



      

United Kingdom 

 

Civil Aviation Authority 

   

Issue Date: 18 September 2009 

   

MANDATORY PERMIT DIRECTIVE 

   

In accordance with Article 11(6)(a) of the Air Navigation Order 2005 as amended the following action required by this Mandatory Permit Directive (MPD) is mandatory for applicable aircraft registered in the United Kingdom operating on a UK CAA Permit to Fly. 

   

MPD: 2002-009R2 YAKOVLEV 

   

Airframe Life Limitation 

   

Yakovlev Yak-50 aeroplanes 

  

Reason: 

 

It has been identified that this aeroplane type is subject to an airframe life limitation. This MPD is raised to Revision 2 to remove references to overhaul life and relax the calendar aspect of the airframe life limitations. In addition this revision allows an alternative means of obtaining an airframe life extension to that provided by Yakovlev Design Bureau (YDB) and applies a new 600 hour interim airframe life limit which could be increased subject to appropriate approvals. 

 

Correspondence with the Design Authority, Yakovlev Design Bureau (YDB), has confirmed that there is an initial airframe life limit of 300 hours from new. 

 

This initial 300 hour airframe life limit can be extended to a maximum of 600 hours (interim airframe life limit) by the implementation of an approved maintenance and inspection programme. In the absence of airframe life extensions being granted by YDB, this 600 hour interim airframe life limit has been applied pending further review of what maintenance and inspection programme would be appropriate to extend the limit beyond this value. 

   

Compliance: 

 

Before further flight from the original effective date of this MPD, determine the total airframe hours of the individual aeroplane. 

 

No action is required until the aeroplane reaches 300 airframe hours. 



  

 [quote][b]

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radiopicture

Joined: 23 Jun 2008
Posts: 263

Posted: Thu Apr 01, 2010 4:15 pm Post subject: How it is in England

Sounds to me like there's a provision to extend beyond 600 hours (see end of paragraph one in the "Reason" section). Maybe Richard knows what "appropriate means and how to get them from the UK CAA (recurrent inspections, etc?). We would have no such restriction in the US, knock on wood. The life limits described by the YDB usually seem to assume unlimited, violent Russian-style akro. Unless I'm mistaken, In the Russian system, Yak-52 life limits could be renewed after comprehensive inspection. They loved to keep everyone busy.





On Apr 1, 2010, at 6:52 PM, Yak Pilot wrote:

[quote] 

 Richard Goode, can you comment on this please?  

  

 So, a YAK-50 flying straight and level goes dead at 600 hours?  NICE!  What the heck, over?  

  

 Mark Bitterlich

  

  

 

    

United Kingdom  

Civil Aviation Authority    

Issue Date: 18 September 2009    

MANDATORY PERMIT DIRECTIVE    

In accordance with Article 11(6)(a) of the Air Navigation Order 2005 as amended the following action required by this Mandatory Permit Directive (MPD) is mandatory for applicable aircraft registered in the United Kingdom operating on a UK CAA Permit to Fly.    

MPD: 2002-009R2 YAKOVLEV    

Airframe Life Limitation    

Yakovlev Yak-50 aeroplanes   

Reason:  

It has been identified that this aeroplane type is subject to an airframe life limitation. This MPD is raised to Revision 2 to remove references to overhaul life and relax the calendar aspect of the airframe life limitations. In addition this revision allows an alternative means of obtaining an airframe life extension to that provided by Yakovlev Design Bureau (YDB) and applies a new 600 hour interim airframe life limit which could be increased subject to appropriate approvals.  

Correspondence with the Design Authority, Yakovlev Design Bureau (YDB), has confirmed that there is an initial airframe life limit of 300 hours from new.  

This initial 300 hour airframe life limit can be extended to a maximum of 600 hours (interim airframe life limit) by the implementation of an approved maintenance and inspection programme. In the absence of airframe life extensions being granted by YDB, this 600 hour interim airframe life limit has been applied pending further review of what maintenance and inspection programme would be appropriate to extend the limit beyond this value.    

Compliance:  

Before further flight from the original effective date of this MPD, determine the total airframe hours of the individual aeroplane.  

No action is required until the aeroplane reaches 300 airframe hours. 

  

  	  Quote: 	
		  



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viperdoc(at)mindspring.co
Guest

Posted: Fri Apr 02, 2010 5:37 am Post subject: How it is in England

Just have to hope the FAA does not get involved with this.  

Doc  

     

From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Yak Pilot

 Sent: Thursday, April 01, 2010 5:53 PM

 To: yak-list(at)matronics.com

 Subject: How it is in England  

  

              

    

      

Richard Goode, can you comment on this please?     

      

    

      

So, a YAK-50 flying straight and level goes dead at 600   hours?  NICE!  What the heck, over?     

      

    

      

Mark Bitterlich   

      

    

      

    

                 

United Kingdom      

Civil Aviation Authority           

                        

Issue Date: 18 September 2009                             

MANDATORY     PERMIT DIRECTIVE                                  

In     accordance with Article 11(6)(a) of the Air Navigation Order 2005 as     amended the following action required by this Mandatory Permit Directive     (MPD) is mandatory for applicable aircraft registered in the United Kingdom     operating on a UK CAA Permit to Fly.                                  

MPD: 2002-009R2 YAKOVLEV                                  

Airframe     Life Limitation                                  

Yakovlev Yak-50     aeroplanes                

Reason:      

It has been identified     that this aeroplane type is subject to an airframe life limitation. This     MPD is raised to Revision 2 to remove references to overhaul life and relax     the calendar aspect of the airframe life limitations. In addition this     revision allows an alternative means of obtaining an airframe life     extension to that provided by Yakovlev Design Bureau (YDB) and applies a     new 600 hour interim airframe life limit which could be increased subject     to appropriate approvals.      

Correspondence with the     Design Authority, Yakovlev Design Bureau (YDB), has confirmed that there is     an initial airframe life limit of 300 hours from new.      

This initial 300 hour     airframe life limit can be extended to a maximum of 600 hours (interim     airframe life limit) by the implementation of an approved maintenance and     inspection programme. In the absence of airframe life extensions being     granted by YDB, this 600 hour interim airframe life limit has been applied     pending further review of what maintenance and inspection programme would     be appropriate to extend the limit beyond this value.                                  

Compliance:      

Before further flight     from the original effective date of this MPD, determine the total airframe     hours of the individual aeroplane.      

No action is required     until the aeroplane reaches 300 airframe hours.                                            

              

    

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       [quote][b]

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richard.goode(at)russiana
Guest

Posted: Fri Apr 02, 2010 5:57 am Post subject: How it is in England

Yes,it is a fact that the total design life  was 300 hours,and 47 hours [yes,47] for those 50s in the soviet  team.

 BUT this was continuous aerobatics,and most  flights at 9G.,and often more.

 But also remember that this was with the  small fuel tank only;generator/compressor removed,and and a MAXIMUM weight for  the pilot and chute of 100kilos-220lbs.

 So the CAA is being cautious and you will  see that the 600 is the interim limit,which will be extended.

 In any case each 100 hours we must remove wings;engine ;tail  and then do a detailed X-Ray and crack-test inspection.

 Also,the 50 will last forever at 6G,but  will not at 8/9G,particularly with lots of fuel;extras;"big mac"style pilots  etc.

 Richard

  

 Richard Goode Aerobatics

Rhodds Farm

Lyonshall

Hereford

HR5  3LW

United Kingdom

  

 Tel:   +44 (0) 1544 340120

Fax:  +44 (0) 1544  340129

www.russianaeros.com



 [quote]   ---

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viperdoc(at)mindspring.co
Guest

Posted: Fri Apr 02, 2010 6:14 am Post subject: How it is in England

Well being one of those 100 kilo pilots that tries to limit his G excursions to 6.0 with an occasional 6.5 G.  

Doc  

       

From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Richard Goode

 Sent: Friday, April 02, 2010 8:57 AM

 To: yak-list(at)matronics.com

 Subject: Re: How it is in England  

  

  

     

Yes,it is a fact that the total design life was 300 hours,and 47 hours [yes,47] for those 50s in the soviet team.  

    

BUT this was continuous aerobatics,and most flights at 9G.,and often more.  

    

But also remember that this was with the small fuel tank only;generator/compressor removed,and and a MAXIMUM weight for the pilot and chute of 100kilos-220lbs.  

    

So the CAA is being cautious and you will see that the 600 is the interim limit,which will be extended.  

    

In any case each 100 hours we must remove wings;engine ;tail and then do a detailed X-Ray and crack-test inspection.  

    

Also,the 50 will last forever at 6G,but will not at 8/9G,particularly with lots of fuel;extras;"big mac"style pilots etc.  

    

Richard  

    

   

    

Richard Goode Aerobatics

 Rhodds Farm

 Lyonshall

 Hereford

 HR5 3LW

 United Kingdom  

    

   

    

Tel:   +44 (0) 1544 340120

 Fax:  +44 (0) 1544 340129

 www.russianaeros.com  

   	  Quote: 	
		      

----- Original Message -----   

    

From: Roger Kemp M.D. (viperdoc(at)mindspring.com)   

    

To: yak-list(at)matronics.com (yak-list(at)matronics.com)   

    

Sent: Friday, April 02, 2010 2:35 PM  

    

Subject: RE: How it is in England  

    

   

  

Just have to hope the FAA does not get involved with this.  

Doc  

     

From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com) [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Yak Pilot

 Sent: Thursday, April 01, 2010 5:53 PM

 To: yak-list(at)matronics.com (yak-list(at)matronics.com)

 Subject: How it is in England  

  

              

    

      

Richard Goode, can you comment on this please?     

      

    

      

So, a YAK-50 flying straight and level goes dead at 600   hours?  NICE!  What the heck, over?     

      

    

      

Mark Bitterlich   

      

    

      

    

                 

United Kingdom      

Civil Aviation Authority                

                             

Issue Date: 18 September 2009                             

MANDATORY     PERMIT DIRECTIVE                                  

In     accordance with Article 11(6)(a) of the Air Navigation Order 2005 as     amended the following action required by this Mandatory Permit Directive     (MPD) is mandatory for applicable aircraft registered in the United Kingdom     operating on a UK CAA Permit to Fly.                                  

MPD: 2002-009R2 YAKOVLEV                                  

Airframe     Life Limitation                                  

Yakovlev Yak-50     aeroplanes                

Reason:      

It has been identified     that this aeroplane type is subject to an airframe life limitation. This     MPD is raised to Revision 2 to remove references to overhaul life and relax     the calendar aspect of the airframe life limitations. In addition this     revision allows an alternative means of obtaining an airframe life     extension to that provided by Yakovlev Design Bureau (YDB) and applies a     new 600 hour interim airframe life limit which could be increased subject     to appropriate approvals.      

Correspondence with the     Design Authority, Yakovlev Design Bureau (YDB), has confirmed that there is     an initial airframe life limit of 300 hours from new.      

This initial 300 hour     airframe life limit can be extended to a maximum of 600 hours (interim     airframe life limit) by the implementation of an approved maintenance and     inspection programme. In the absence of airframe life extensions being     granted by YDB, this 600 hour interim airframe life limit has been applied     pending further review of what maintenance and inspection programme would     be appropriate to extend the limit beyond this value.                                  

Compliance:      

Before further flight     from the original effective date of this MPD, determine the total airframe     hours of the individual aeroplane.      

No action is required     until the aeroplane reaches 300 airframe hours.                                                 

                   

    

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mark.bitterlich(at)navy.m
Guest

Posted: Fri Apr 02, 2010 9:34 am Post subject: How it is in England

All excellent points, which is why I was asking.  



Knock on wood is right!  Oh man. 



Mark

 



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mark.bitterlich(at)navy.m
Guest

Posted: Fri Apr 02, 2010 9:38 am Post subject: How it is in England

Thank you as always Richard. 



One other question.  Have there been many 50's that you have seen that

have failed any of these detailed X-Ray and crack test inspections and

if so, can we see some of those results, or at least get more

knowledgeable about them?  



Roger on 6G's.  You listening Wizard?  



"Big Mac" style pilots.  I resemble that remark.  Sigh.... 



Mark

 



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richard.goode(at)russiana
Guest

Posted: Fri Apr 02, 2010 10:09 am Post subject: How it is in England

No 50 has failed anything serious [yet!].

We are talking to our CAA and to Yakovlev in Moscow who have said they will help with a similar programme to go beyond 600.

The real problem has been to get them to understand that it is possible to fly a 50 for fun and not just to win a championship.

52s were different-the Soviet total life was 1500 hours,and they all had a total remanufacture at 500 hours,with a possible extension to 600.

Then we came and took most 52s away before any had got near 1500 so no further limit has been set!

Richard



Richard Goode Aerobatics

Rhodds Farm

Lyonshall

Hereford

HR5 3LW

United Kingdom



Tel:   +44 (0) 1544 340120

Fax:  +44 (0) 1544 340129

www.russianaeros.com



  ---

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mark.bitterlich(at)navy.m
Guest

Posted: Fri Apr 02, 2010 10:23 am Post subject: How it is in England

THANK YOU FOR THAT INFO!  



Mark

 



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