Yak-List Digest Archive

Fri 04/02/10


Total Messages Posted: 9



Today's Message Index:
----------------------
 
     1. 06:37 AM - Re: How it is in England (Roger Kemp M.D.)
     2. 06:57 AM - Re: How it is in England (Richard Goode)
     3. 07:14 AM - Re: How it is in England (Roger Kemp M.D.)
     4. 10:34 AM - Re: How it is in England (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
     5. 10:38 AM - Re: How it is in England (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
     6. 11:09 AM - Re: How it is in England (Richard Goode)
     7. 11:23 AM - Re: How it is in England (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
     8. 12:12 PM - Re: Ignition Harness Kit (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
     9. 03:02 PM - Re: Ignition Harness Kit (Dale)
 
 
 


Message 1


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    Time: 06:37:45 AM PST US
    From: "Roger Kemp M.D." <viperdoc@mindspring.com>
    Subject: How it is in England
    Just have to hope the FAA does not get involved with this. Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak Pilot Sent: Thursday, April 01, 2010 5:53 PM Subject: Yak-List: 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.


    Message 2


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    Time: 06:57:31 AM PST US
    From: "Richard Goode" <richard.goode@russianaeros.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 ----- Original Message ----- From: Roger Kemp M.D. To: yak-list@matronics.com Sent: Friday, April 02, 2010 2:35 PM Subject: RE: Yak-List: How it is in England Just have to hope the FAA does not get involved with this. Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak Pilot Sent: Thursday, April 01, 2010 5:53 PM To: yak-list@matronics.com Subject: Yak-List: 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. http://www.matronics.com/Navigator?Yak-Listhttp://forums.matronics.comhtt p://www.matronics.com/contribution -------------------------------------------------- This message has been scanned for viruses and dangerous content by the Invictawiz MailScanner and is believed to be clean. http://www.invictawiz.com/ --------------------------------------------------


    Message 3


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    Time: 07:14:10 AM PST US
    From: "Roger Kemp M.D." <viperdoc@mindspring.com>
    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@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Richard Goode Sent: Friday, April 02, 2010 8:57 AM Subject: Re: Yak-List: 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 ----- Original Message ----- From: Roger Kemp M.D. <mailto:viperdoc@mindspring.com> Sent: Friday, April 02, 2010 2:35 PM Subject: RE: Yak-List: How it is in England Just have to hope the FAA does not get involved with this. Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak Pilot Sent: Thursday, April 01, 2010 5:53 PM Subject: Yak-List: 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. http://www.matronics.com/Navigator?Yak-List http://forums.matronics.com http://www.matronics.com/contribution href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/ Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c -------------------------------------------------- This message has been scanned for viruses and dangerous content by the Invictawiz MailScanner and is believed to be clean. <http://www.invictawiz.com/> http://www.invictawiz.com/ --------------------------------------------------


    Message 4


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    Time: 10:34:32 AM PST US
    Subject: How it is in England
    From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
    All excellent points, which is why I was asking. Knock on wood is right! Oh man. Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Eric Wobschall Sent: Thursday, April 01, 2010 8:14 PM Subject: Re: Yak-List: 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: 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. href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics. com/Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/co ntribution


    Message 5


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    Time: 10:38:59 AM PST US
    Subject: How it is in England
    From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
    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 -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Richard Goode Sent: Friday, April 02, 2010 9:57 AM Subject: Re: Yak-List: 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 ----- Original Message ----- From: Roger Kemp M.D. <mailto:viperdoc@mindspring.com> To: yak-list@matronics.com Sent: Friday, April 02, 2010 2:35 PM Subject: RE: Yak-List: How it is in England Just have to hope the FAA does not get involved with this. Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak Pilot Sent: Thursday, April 01, 2010 5:53 PM To: yak-list@matronics.com Subject: Yak-List: 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. http://www.matronics.com/Navigator?Yak-List http://forums.matronics.com http://www.matronics.com/contribution href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics. com/Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c -------------------------------------------------- This message has been scanned for viruses and dangerous content by the Invictawiz MailScanner and is believed to be clean. http://www.invictawiz.com/ <http://www.invictawiz.com/> --------------------------------------------------


    Message 6


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    Time: 11:09:28 AM PST US
    From: "Richard Goode" <richard.goode@russianaeros.com>
    Subject: Re: 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 ----- Original Message ----- From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E To: yak-list@matronics.com Sent: Friday, April 02, 2010 6:32 PM Subject: RE: Yak-List: How it is in England Point, MALS-14 64E" <mark.bitterlich@navy.mil> All excellent points, which is why I was asking. Knock on wood is right! Oh man. Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Eric Wobschall Sent: Thursday, April 01, 2010 8:14 PM To: yak-list@matronics.com Subject: Re: Yak-List: 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: 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. href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics . com/Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c o ntribution ----------------------------------------------- This message has been scanned for viruses and dangerous content by the Invictawiz MailScanner and is believed to be clean. http://www.invictawiz.com -----------------------------------------------


    Message 7


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    Time: 11:23:35 AM PST US
    Subject: How it is in England
    From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
    THANK YOU FOR THAT INFO! Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Richard Goode Sent: Friday, April 02, 2010 2:08 PM Subject: Re: Yak-List: 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 ----- Original Message ----- From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E <mailto:mark.bitterlich@navy.mil> To: yak-list@matronics.com Sent: Friday, April 02, 2010 6:32 PM Subject: RE: Yak-List: How it is in England Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil> All excellent points, which is why I was asking. Knock on wood is right! Oh man. Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Eric Wobschall Sent: Thursday, April 01, 2010 8:14 PM To: yak-list@matronics.com Subject: Re: Yak-List: 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: 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. href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics. com/Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/co http://www.matronics========================<; via the Web href="http://forums.matronics.com">http://forums.matronics.com _p; generous bsp; href="http://www.matronics.com/contribution">http://www.matronics.com/c =============== ----------------------------------------------- This message has been scanned for viruses and dangerous content by the Invictawiz MailScanner and is believed to be clean. http://www.invictawiz.com -----------------------------------------------


    Message 8


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    Time: 12:12:29 PM PST US
    Subject: Ignition Harness Kit
    From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
    Barry, I am just curious here. Why would you recommend the use of Iridium plugs on an M-14 engine design? These are a rather expensive plug design that have the main advantage of low erosion wear.. Thus they last for a long time. However, on radial engines, the lower plugs usually get soaked in oil before every start. My feeling is that Iridium plugs were not really meant for that application. Honestly, I don't know of ANY spark plug that was designed for that application (Laugh!!) But, we deal with the belching and missing on start as part of the normal routine. In my case, every year I pull the plugs and check them... And then throw them right into the trash can regardless of condition. Why? Because about $35 or $40 buys me a brand new set that I screw right in and I'm good to go with a brand new clean set of plugs, properly gapped and ... Away ya go! I would hesitate to throw away Iridium plugs! How would you go about comparing standard NGK plugs to Iridium's for example? No question that the high quality racing wires and automotive plugs start easy (assuming you gap them correctly!) are less expensive and the engine runs better. What size wire do you use and how do you connect it into the mag assy? I guess I better ask for this off line. Must be pretty impressive at that price! Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Barry Hancock Sent: Thursday, April 01, 2010 4:48 PM Subject: Yak-List: Ignition Harness Kit Gang, Easier starts, no plug fouling, less expensive plugs, and better combustion...in a box. ;) We now have ignition harness kits available. These kits are complete with everything you need for installation except the elbow grease. Kit is all prefabricated and ready to install when you receive it. Turn around time 5 days. These kits use the highest quality racing ignition wires, iridium plugs, and machined bracket with numbered holes for the wires going into the magneto housing. All wires are cut to length, literally no assembly of the harness required outside of pushing the boots on the plugs. This set up already has over 200 hours of trouble free light time. Price: $775 with mag cap exchange, $875 outright. Please contact me off list for photos and details. Happy Flying, Barry Barry Hancock Worldwide Warbirds, Inc. www.worldwidewarbirds.com (909) 606-4444 office (949) 300-5510 cell "Making your aviation dreams a reality." L-39 video: http://gallery.me.com/bdogltd#100140 Express Mailing address: 7000 Merrill Ave, B-110, Unit J Chino, CA 91710 Regular Mailing address: 7000 Merrill Ave., Box 91 Chino, CA 9171


    Message 9


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    Time: 03:02:55 PM PST US
    Subject: Re: Ignition Harness Kit
    From: "Dale" <hdinamic@qwest.net>
    I always use Iridium plugs, less chance of fouling due to the smaller area to get shit suck in, and they cost me $4.50 each on ebay from a marine racing supplier. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=292818#292818




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