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Clarification---Certified Engines & Experimental aircraft.

 
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barcusc(at)comcast.net
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PostPosted: Mon Mar 03, 2008 2:41 pm    Post subject: Clarification---Certified Engines & Experimental aircraft. Reply with quote
Because of all the comments and questions in response to the posting I made on the Continental O-200, it became clear I needed to find out what is correct. What I did find out was some of what I was told was right and some was wrong, even though the information came from people heavily involved in aviation including certified A & P's. I am making the assumption that Joe Norris at EAA headquarters knows the right answer. I spoke with Joe today, below is the questions I ask along with his answers.

Question: Is a certified aircraft engine still certified after it is installed in an experimental aircraft?
Answer: No,it is no longer certified. (George, you were right, I was told the opposite by an A &P)

Question: If that is the case, then what about the 25 hour and 40 hour test phase?
Answer: To get the 25 hour fly off you must prove it is a certified engine including the correct prop and all accessories (carb, starter, mags,etc) for that specific engine. The example he gave was: If it came off a Cessna 150, the prop has to be the same pitch and diameter designated for that application for anything else it will be assigned 40 hours. Once the inspection is done, the engine is no longer certified.






Question: Who can work on the engine at that point?
Answer: Anyone when it is on a experimental aircraft (E-AB.)

Question: When can you work on the engine or make changes to the certified engine.
Answer: Immediately after the inspector leaves.

Question: Now that it is no longer certified, is it necessary to take the data plate off?
Answer: No, actually it is best to leave it in place.

Question: When buying a used aircraft engine, how would someone like me find about AD's on a particular engine?
Answer: www.faa.gov 1. Do a search on make and model 2. Ask around a local EAA Chapter, most IAs have a CD Rom they can use to look up information on any aircraft engine.

Question: What about the 5 hour test flight phase.
Answer: That was only for the so-called "fat ultralight" it has expired..

Thanks to all, your response has pointed out the need for me to look for better answers.

Clyde Barcus
601 XL, Continental Powered

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darrellhaas(at)gmail.com
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PostPosted: Mon Mar 03, 2008 8:15 pm    Post subject: Clarification---Certified Engines & Experimental aircraft. Reply with quote
Clyde,
Thanks for doing the leg work.
Darrell
do not archive

On Mon, Mar 3, 2008 at 2:34 PM, Clyde Barcus <barcusc(at)comcast.net (barcusc(at)comcast.net)> wrote:
[quote] Because of all the comments and questions in response to the posting I made on the Continental O-200, it became clear I needed to find out what is correct. What I did find out was some of what I was told was right and some was wrong, even though the information came from people heavily involved in aviation including certified A & P's. I am making the assumption that Joe Norris at EAA headquarters knows the right answer. I spoke with Joe today, below is the questions I ask along with his answers.

Question: Is a certified aircraft engine still certified after it is installed in an experimental aircraft?
Answer: No,it is no longer certified. (George, you were right, I was told the opposite by an A &P)

Question: If that is the case, then what about the 25 hour and 40 hour test phase?
Answer: To get the 25 hour fly off you must prove it is a certified engine including the correct prop and all accessories (carb, starter, mags,etc) for that specific engine. The example he gave was: If it came off a Cessna 150, the prop has to be the same pitch and diameter designated for that application for anything else it will be assigned 40 hours. Once the inspection is done, the engine is no longer certified.






Question: Who can work on the engine at that point?
Answer: Anyone when it is on a experimental aircraft (E-AB.)

Question: When can you work on the engine or make changes to the certified engine.
Answer: Immediately after the inspector leaves.

Question: Now that it is no longer certified, is it necessary to take the data plate off?
Answer: No, actually it is best to leave it in place.

Question: When buying a used aircraft engine, how would someone like me find about AD's on a particular engine?
Answer: www.faa.gov 1. Do a search on make and model 2. Ask around a local EAA Chapter, most IAs have a CD Rom they can use to look up information on any aircraft engine.

Question: What about the 5 hour test flight phase.
Answer: That was only for the so-called "fat ultralight" it has expired..

Thanks to all, your response has pointed out the need for me to look for better answers.

Clyde Barcus
601 XL, Continental Powered

[b]

- The Matronics Zenith-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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