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Watkinsdw
Joined: 15 Mar 2009
Posts: 138
Location: Deerfield Beach, FL
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 Posted: Mon Jun 29, 2009 4:29 am Post subject: A different VG question.. |
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Can anyone tell me if the installation of VG's is considerd a "major alteration", ala FAR Part 43.17? If I were to install them, would I need to file the FAA form 337?
Note: I'm not the builder of my MKIII-C.
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slyck(at)frontiernet.net
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| Posted: Mon Jun 29, 2009 4:46 am Post subject: A different VG question.. |
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337s are never used on experimentals.
log book entry, weight and balance if necessary, and test flight.
BB
On 29, Jun 2009, at 8:29 AM, Watkinsdw wrote:
| Quote: |
<david.watkins0(at)gmail.com>
Can anyone tell me if the installation of VG's is considerd a
"major alteration", ala FAR Part 43.17? If I were to install them,
would I need to file the FAA form 337?
Note: I'm not the builder of my MKIII-C.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 50572#250572
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Watkinsdw
Joined: 15 Mar 2009
Posts: 138
Location: Deerfield Beach, FL
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| Posted: Mon Jun 29, 2009 7:27 am Post subject: Re: A different VG question.. |
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Oh... that's helpful.
Can a non-builder make the logbook entry and document the test flight, or do I need to get an A&P to sign off?
Thanks,
Dave
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kuffel(at)cyberport.net
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| Posted: Mon Jun 29, 2009 7:41 am Post subject: A different VG question.. |
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Watkinsdw asked:
<< Can anyone tell me if the installation of VG's is considered a "major
alteration", >>
Robert Bean replied:
<< 337s are never used on experimentals.
log book entry, weight and balance if necessary, and test flight. >>
Bob is correct about Experimental-Amateur Built and 337s. But you might
want to take an additional step if you wish to be certain you are on the
approved side of legal. Write a letter to your local FSDO and ask them if
they think adding VGs to your wing/fin/stabilizer/whatever you are planning
is a major alteration. You will get different answers from different FSDOs
but what matters is the opinion of the FSDO for your area.
If they think your change is major the worse they will do is put you back
into Phase I testing for 5/10/20/40 hours. Major or not, be sure to keep
their written response to be able to prove your change is in compliance.
You don't have to be the builder or an A&P or an AI to do any
maintenance/change to an E-AB aircraft. But since you are not the builder
an A&P must do the annual condition inspection. The first time after the
change be sure the mechanic notes he has included inspecting the "condition"
of the change in the log.
Realize this is crossing the "i"s and dotting the "t"s but it will be
invaluable if you ever have to defend yourself, your actions or your
aircraft to the authorities or in court. Dang, I hate lawyers.
Tom Kuffel
Whitefish, MT
Building original Firestar
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Watkinsdw
Joined: 15 Mar 2009
Posts: 138
Location: Deerfield Beach, FL
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| Posted: Mon Jun 29, 2009 8:33 am Post subject: Re: A different VG question.. |
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Thanks, Robert,
I've put in a call to my friendly local FSDO to get a quick read before I commit my question to writing... The guy there was very helpful last time I had a question.
I appreciate your advice.
Dave
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aslsa.rng(at)gmail.com
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| Posted: Mon Jun 29, 2009 3:57 pm Post subject: A different VG question.. |
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Before you go contacting your local FSDO take a look at your operating limitations. Depending on them, you may only have to put your airplane back into phase 1 testing, redo the stall speed, Vx and Vy numbers, record them in the aircraft logs and fly on. Again it depends on what's in the op limitations.
Rick
do not archive
On Mon, Jun 29, 2009 at 10:16 AM, The Kuffels <kuffel(at)cyberport.net (kuffel(at)cyberport.net)> wrote:
[quote]--> Kolb-List message posted by: "The Kuffels" <kuffel(at)cyberport.net (kuffel(at)cyberport.net)>
Watkinsdw asked:
<< Can anyone tell me if the installation of VG's is considered a "major alteration", >>
Robert Bean replied:
<< 337s are never used on experimentals.
log book entry, weight and balance if necessary, and test flight. >>
Bob is correct about Experimental-Amateur Built and 337s. But you might want to take an additional step if you wish to be certain you are on the approved side of legal. Write a letter to your local FSDO and ask them if they think adding VGs to your wing/fin/stabilizer/whatever you are planning is a major alteration. You will get different answers from different FSDOs but what matters is the opinion of the FSDO for your area.
If they think your change is major the worse they will do is put you back into Phase I testing for 5/10/20/40 hours. Major or not, be sure to keep their written response to be able to prove your change is in compliance.
You don't have to be the builder or an A&P or an AI to do any maintenance/change to an E-AB aircraft. But since you are not the builder an A&P must do the annual condition inspection. The first time after the change be sure the mechanic notes he has included inspecting the "condition" of the change in the log.
Realize this is crossing the "i"s and dotting the "t"s but it will be invaluable if you ever have to defend yourself, your actions or your aircraft to the authorities or in court. Dang, I hate lawyers.
Tom Kuffel
Whitefish, MT
Building original Firestar
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Watkinsdw
Joined: 15 Mar 2009
Posts: 138
Location: Deerfield Beach, FL
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| Posted: Mon Jun 29, 2009 5:18 pm Post subject: Re: A different VG question.. |
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Ok, Guys,
You've been a big help. Thanks for all your advice.
Dave
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