PA12 with PA22 tail
- Thread starter planenut
- Start date
Lets try this angle! I was told that one of the Stoddard stc's for hp increase in PA12 allowed the use of the pa22 tail surfaces. I can't tell which stc it would be. SA59AL or SA83AL. Does anyone have PA12 that utilizes either of those stc's! And is it possible to get a copy of it?
It was wrote about in piper Cub Clues #159 July/Aug. 2010
It was wrote about in piper Cub Clues #159 July/Aug. 2010
Funny how FAA is allowed to do stuff that a DAR can’t. We are limited to what the AFS-300 Job Aid says, and it says any increase in a flight control area needs to go STC. Glad you got the Field Approval!
Steve Pierce
BENEFACTOR
Graham, TX
Maintenance inspectors have to follow that same guide. Glad he got the approval. I am sure there were lots of hoops.
I know they are supposed to, but I got a Field Approval to install an EarthX and the Job Aid says lithium batteries are STC as well. For whatever reason, it seems Inspectors have a little more leeway than DARs.
skywagon8a
MEMBER
SE Mass MA6
That's likely why they did it. Your previous approvals gave them little wiggle room for denial.
skywagon8a
MEMBER
SE Mass MA6
There used to be a method of field approval which would allow the original approval holder to make as many additional approved installations as he desired. I have one of those. After I had used it a number of times, I received a call from the FAA asking me how many more times I planned to use it. It's authority was very much like a STC. I don't think they issue them anymore.
skywagon8a
MEMBER
SE Mass MA6
That's true, however I don't think they were called "field approvals" then. The exact date is in the regulations, sometime in the fall of 1956 or 1957. All of those were issued by what then was called CAA. Lot's of things changed when the CAA was changed to the FAA.
There are different types of field approvals, also in the regulations. The one I mentioned which I have was issued to me by a good friend who was high up (top dog) in the FAA's regional office. That method may not even be listed now? DGApilot could answer this question.
Those were the "Multiple Field Approvals". That went away in September 2002. If you have one, you can still use it but no new ones will be issued after 9/2002.
Any 337 issued (not Field Approval but ANY 337) prior to October 1, 1955 IS APPROVED DATA. There has never been anything that said prior Field Approvals were Approved Data with the exception of the "Multiple Field Approvals" issued prior to September 2002. For those, they need to specify that it is a MULTIPLE field approval in block 3 and the limitation is that they are only Approved Data for the original installer, so if your name isn't in Blocks 6 & 7 of the original 337, you can't use it even though it says it is a Multiple Field Approval. All 337s can be used as Acceptable data to try and justify the issuance of another Field Approval to make the same alteration or Repair on the same make model aircraft. The biggest issue is finding an ASI or a DAR that is willing to stick their neck out. I've been pestering my ASI for one to install Murphy 1800 amphibious floats on my PA-16. I have a copy of the 337 with Filed Approval for another PA-16 for those floats but to date he has been reluctant to issue one for me.
skywagon8a
MEMBER
SE Mass MA6
No, the brake boosters have several full STCs. This is for a supplemental fuel boost pump in a Widgeon which was modified with TIO-540J2BD engines.
Hopefully I answered it!
skywagon8a
MEMBER
SE Mass MA6
I knew you had all the details. Most of which have slipped my memory for lack of use.
Wow, I thought there wasn't a FSDO employee in the country that would still sign off anything(even though it is LITERALLY their job to do so), regardless of the historical documentation provided...?!?
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