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GA & Amateur Built Aircraft Engine Failure Rates

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d-m-hague(at)comcast.net
Guest

Posted: Sun Mar 18, 2007 5:10 pm Post subject: GA & Amateur Built Aircraft Engine Failure Rates

At 08:52 PM 3/18/2007, Steven Green wrote:

 	  Quote: 	
		  



If I read Jack's study correctly, He only used "engine failures" that

resulted in a fatality and only compared GA to experimental.  I doubt there

are many fatal accidents in experimentals that go unreported.


	


Yes, but you have to compare apples to apples.  GA planes on the average 

almost certainly fly more hours than experimentals.  Many of these hours 

are IFR, which increases the likelihood of a bat outcome from an engine 

failure.  Most GA planes are larger and faster than the average 

experimental, so an engine failure that puts a Kolb down in a pasture might 

be much in, say, a Bonanza.  And, of course, ultralight accidents aren't 

tracked at all by the NTSB any more (unless it's a high profile case like 

the Walmart heir and/or if they decide it's an "unregistered aircraft" 

rather than an "ultralight vehicle".



                                 -Dana

--

--

The citizens of the United States are getting the government they deserve. 

The problem is that I'm also getting the government they deserve.

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jbhart(at)onlyinternet.ne
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Posted: Sun Mar 18, 2007 5:35 pm Post subject: GA & Amateur Built Aircraft Engine Failure Rates

At 03:20 PM 3/18/07 -0700, you wrote:

 	  Quote: 	
		  

..................................
	


 	  Quote: 	
		  

 You did not take into account that almost all General Aviation engine fialures are are reported, while most ultralight - experimental engine failure go unreported.



Just looking at the NTSB numbers of REPORTED accidents with injurys is useless. 


	


..................................



Steve,



I agree that it is possible that many ultra light vehicle and undocumented 

experimental aircraft incidents are unreported.  But if it is an N-numbered 

aircraft, it seems to me that it would be difficult to under report an 

engine failure and a fatality.  I did not query the data base for injuries or 

fatalities. I queried the data base for "engine failure".  The number of 

fatalities was listed for each query match and I totaled them up.



The point is that people who fly in N-numbered amateur aircraft appear to 

have a better chance of surviving an engine failure than those who fly in 

single engine piston engine GA aircraft. 



Where will you find better data than the NTSB database?



Jack B. Hart FF004

Winchester, IN

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possums(at)bellsouth.net
Guest

Posted: Sun Mar 18, 2007 9:52 pm Post subject: GA & Amateur Built Aircraft Engine Failure Rates

At 08:52 PM 3/18/2007, you wrote:

 	  Quote: 	
		  

while most ultralight - experimental engine failure go unreported.



If I read Jack's study correctly, He only used "engine failures" that

resulted in a fatality and only compared GA to experimental.  I doubt there

are many fatal accidents in experimentals that go unreported.



Steven



do not archive


	


I agree with that, but I disagree that "any and all" utralight 

incidents go unreported.

In fact I get reported every 5 or 10 years in the local paper.

Sucks for me ... but....www.mdjonline.com

don't go there unless you are saved or been saved

HEY IT'S  SUN & FUN .....GO FORTH & MULTIPLY.

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