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HELP??? Royson??? What is it about the 150K Aerobat which makes it unique as far as the paperwork is concerned??

AHA! HERE IT IS! I THINK I HAVE FOUND IT! From STC SA572CE:

Under placards required:

Models 150D, 150E,150F, 150G, 150H, 150J, 150K-
"Intentional spins prohibited"
"Normal category operation only"

Models 150L. A150L, 150M, A150M-
"Intentional spins prohibited"
"Normal category operation only"


Do you see it people? Rather, do you NOT see it??


The A150K is not listed as requiring a placard prohibiting spins!

Nor is it restricted to normal category only........

(Please do not overlook the previous post?)

By the way, Michael, As far as this conversion goes, I really do not think that the battery location has anything to do with restricting spins and aerobatics. (My battery is still in it's original location under the cowl, by the way.) It simply has to do with the fact that the STC owners just refused to go to the added expense of testing the aircraft to the FAA's standards to maintain it's utility category. It was just a whole lot easier, and cheaper, to require a placard stating. "No Spins Allowed"

Thank you, Bill! We're getting somewhere. Does the "Not Requiring a Placard....." mean that spins are permitted? And if they are, does that mean that all aerobatic manuevers approved at original certification are still approved? And what about the assertion of the seller on ebay that only 1970 converted 150L's are eligible for aerobatics, while other 150L/150's are not? Hopefully Royson or someone can answer these questions. I would like to have any A150/150's approved for aerobatics, as I think they are great planes. Editorial Note: This kind of discussion/forum is exactly what this club is about. Everybody "knows" something (me included). But through us all, we find the real answers. Thank you for your selfless interest and time in providing information. We all benefit.

Well, Michael, I have had this STC in my possession for over two years. I have gone over and over it many times. But this is the first time I "saw" this "Snafu!" And that is exactly what it is, an accidental ommission of the A150K to require these placards. Unlike the L and M models, the K model is specific to a single year of 1970. With this ommission of the A150K, the placards are not required, and the aircraft maintains it's "Utility Category." Thus it looses none of it's previous certifications.

Anyways, that is my limited thinking where the law is concerned........

OOPS! Of course the 1970 is a K model. My fingers just love the L, and had to put it in there. I agree with you that it is most likely a SNAFU. I am unaware of any structural difference in the K model that would affirmatively provide for spins while the other models (D through M) would/may not be able to handle the loads once converted. That K model may be worth some extra money as an aerobatic plane ON PAPER. I guess we all have to make up our own minds about whether we would perform aerobatic manuevers in a plane where it's authority may be limited to an omission on some paperwork. Obviously, you have good reason to love your converted 150/150, and I'm guessing you haven't been out doing snap rolls, etc. And thank you again for your post. Fly safe and legal. When the stuff hits the fan, the FAA/NTSB and the insurance company do alot of digging. They say they are there to help, but you'd better be ready to give them complete copies of the log books (Airframe, Engine, and Prop if applicable) and the filed STC's/approvals. The FAA and NTSB have sanctions they can employ, and the insurance company (I am VP of one) may not pay the claim. Be careful out there.

Sorry....while it makes no sense, in the financial community....M equals thousands. I studied the reasons one time, but rather than constantly confuse people, I resorted to the old standard of using K for thousands and avoid the discussion every couple of months.

Just in case Royson doesn't check in soon, his 150/160 is a ONE OFF approval, so won't count for the discussion (if my memory is correct as I don't think the fuel injected engine was an approved mod either). However, I tend to agree with most of the folks here, that one year and one year only...by fluke or design, I don't know....the aircraft did not receive the aerobatic exclusion and was a legal conversion.

It's back! [cgi.ebay.com] Either a deadbeat bidder, or the buyer found something that made him back out of the sale?

No Reserve? Any guesses on how much it will ultimately gor for?? Ed? This may be your lucky shot at getting into a 150/150??

This "seller" is just fishing for buyers. He has no intention of letting the plane sell on eBay. He plans to pull the ad after tonight!