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I have the following spare parts, all yellow tagged, and I would appreciate any comments as to what they might sell for.
Camshaft (1) 626608
Lifters (8) P/N 530851
Rocker arms(5) 1 intake and 4 exhaust
Thanks.
WIl Stoughton, WI

*raises hand*

I don't mean to hijack this thread, but could someone answer a dumb question for me? I've been asking a lot of those lately, but at least I'm learning in the process...

What does it mean when an item is "yellow tagged" ?

Historically:
Tagging, especially "yellow tag," is a term used in US aviation to indicate a part is serviceable and airworthy as evaluated by an FAA certified repair station. It is important to note that this term is an industry term and is not an FAA requirement or even mentioned in the Federal Aviation Regulations.
Red Tag: component is scrap or unusable
Yellow Tag: component is serviceable and airworthy
Green Tag: component is not airworthy but is repairable

Today "yellow tag" is a meaningless term, in that it can mean anything the person filling out the tag says.

An overhauled and certified part today requires an FAA 8130-3 Airworthiness Approval Tag which serves as approval for return to service after maintenance or alteration by an authorized Part 145 Repair Station, or a US Air Carrier having an approved Continuous Airworthiness Maintenance Program.

Basically, as a certified mechanic installing a part/component on an aircraft the 8130-3 is your approval to install the part.

More:
The term “yellow tag” is colloquially used in the aircraft industry, but it has no real formal meaning or value as to parts serviceability. Many serviceable repaired or overhauled parts are returned from Repair Stations with a yellow coded tag, but a close inspection will reveal that the tag is labeled as FAA Form 8130-3. A rejected or non-airworthy part may be “red tagged”, but will not have the FAA Form 8130-3 release. Without the FAA Form 8130-3 attached, the aircraft part is not suitable for installation. The FAA Form 8130-3 ultimately becomes part of the maintenance record of the aircraft to prove the “chain of approval” of the airworthy part.



FAA Form 8130-3 is a dual use form. It can be used to identify new manufactured aircraft components to be shipped both domestically and internationally (Authorized Release), and is used by FAA approved Repair Stations to certify repaired or overhauled status (Airworthiness Approval Tag). The legal document regulating the use of FAA Form 8130-3 can be found in 14 CFR FAA Order 8130.21.

Kinda strange that a green-tagged item is at a lower level than a yellow-tagged.

The story I heard once goes that someone had a supply of tags in a service shop during World War II. They happened to be yellow and thus a tradition was started.

I've heard that too...true? I dunno....
But the civil aviation always looked to what the military did, and copied their methods.
The "tags" are a hold over from the AIR CORPS.
I always thought green would mean good, and red was bad, yellow should mean it needs rework...
Just like a three light traffic signal!...GO, Slow and STOP!

ready .... fire .... aim.

To get back to the original question, there's a spectrum of prices on these parts depending on the eagerness of either buyer or seller. I can tell you what I've paid from my experience but that may not reflect today's reality (I've been able to score some incredible deals). The tappet bodies were gold from TCM a few years back when I needed some but I ran across them dirt cheap on eBay, both new and yellow tagged from Rick Roman's. Same thing with the other parts. I've been able to pick up the lifters themselves ready to install less than the price of having my old ones flow tested and installed. So, here's what I know:

> Camshaft (1) 626608

$360 (if a buyer is really lucky) and up on eBay, and then up to $900 for a new one. The cheapest one on eBay right now is $599 with a "buy it now" of $999.

> Lifters (8) P/N 530851

That part number is for the tappet bodies. Lifters are the things that go inside them and are a separate part number.

Here's a recent eBay listing [ebay.com], which was a set of twelve of them for a O-300. Only eight would be needed for an O-200, so 2/3 of that price is $360. However, that's ridiculously cheap and I bet the buyer picked them up to stick on the shelf until needed just because of the price. New ones retail for $318.... each. When they're pitted from corrosion and can't be reconditioned, you're stuck. I managed to buy a set of new ones with lifters installed off of eBay for dirt cheap and I'm hanging on to them. I was given a price of $210 for a reconditioned used one once. Again, that's "each".

> Rocker arms(5) 1 intake and 4 exhaust.

I had one rocker arm red tagged last year and was able to buy a replacement ready to install from Rick Romans for $60 (rebushing and inspection for my old ones was $24 each, so $60 seemed reasonable).

When I was flight instructing I did a whole presentation on airworthness. All the definitions. I liked to get AC43 out and show the plane owners / students all the maintenance a polite owner can perform. For example, a plane owner can change a flexable line but not a rigid one. This is a area of knowledge that is neglected and needs to be expanded. I had to go to Mexico one time to get a plane cause the pilot flew it down there with the small "N"s. Lot to learn in this area.

Young lady has a great question, the type of curiosity that makes a fine aviator