restr28i(at)verizon.net
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 Posted: Tue Oct 05, 2010 10:25 am Post subject: Jaguar cowling with the stock muffler STC POWERFLO CERTIFIC |
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Certification Process back to top
The main goal of the certification process is to be issued a Supplemental Type Certificate (STC) and a Parts Manufacturing Approval (PMA) by the FAA. These allow us to sell and install our Tuned Exhaust Systems.
While there aren't that many steps involved, the whole process may take up to a year before an STC is issued!
The first step involves submitting an application for an STC/PMA to the local FAA office. This application includes which product we seek to certify, and on which aircraft the product will be installed. The application also includes a schedule of when the different phases of the project are to be completed, as well as some administrative data.
Next, after all of the assembly drawings (headers, collectors, etc.) are made, they are submitted for review. We are then required to wait for a Statement of Conformity which, when signed by the FAA states that we are permitted to move on to the approved test proposal. Getting past this hurdle is 75% of the battle. After everything has been approved, we move on to the inspection and testing of the completed assembly. Here, an FAA representative witnesses an install, and flight test. If everything is with in compliance, the FAA representative submits a recommendation for STC. This recommendation is then reviewed, and if there are no problems, we are submitted an STC!
Sound pretty easy? Well, it would be, but keep in mind that if something is found that doesn't meet the strict tolerances of the FAA, it may take weeks to correct. This could range from a simple re-weld of a header, to putting an aircraft into an experimental category for three months.
We make an effort to work with the FAA as efficiently as possible, but sometimes, the only answer is patience. [img]cid:part1.07040109.01030306(at)verizon.net[/img]
On 10/5/2010 10:12 AM, grumpyparts wrote: | Quote: | | Quote: | --> TeamGrumman-List message posted by: "grumpyparts" <i.r.m(at)btinternet.com> (i.r.m(at)btinternet.com)
| Quote: | What many of you fail to grasp is just what changing a small thing like the muffler would entail.
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So it would be interesting to know whether Power Flow had all the same hoops to jump through when getting the STC for the Standard cowling and again when they changed it from external to internal.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=314808#314808
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