Mailing List lml@lancaironline.net Message #56149
From: Charlie Kohler <charliekohler@yahoo.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Engine failure ATC Transcript Super Legacy Twin Turbo TSIO 580
Date: Wed, 08 Sep 2010 16:10:56 -0400
To: <lml@lancaironline.net>

Hi All,

You are right Randy. Mark is absolutely the best- in communicating. And he has done a beautiful job in putting just the right equipment on the airplane for this flight. Icing/navigating/flying (autopilot) etc. etc..

 

But if you look closer in his pictures you find that he was using the blue hose couplings that have not been manufactured in years.

The blue ones are much thicker and jellylike allowing them to slip out from under clamps.

 

Continental recognized this problem back when I started flying mine in 1995 and issued a service bulletin. SB 94- 3A /1995-05-23

converting to the thinner but thicker consistency red silicone.  We need to get the word out to pilots/mechanics to throw away these old blue couplings. And-- looking closer we see that the clamp used was not the proper one. The one used and shows in the picture is for the turbocharger exhaust pipe-- not the turbo boost to the intake manifold. The one shown in the picture will not clamp down beyond a certain value.

There have been many stories over the years about these hoses coming off. Don G. has an especially good one. Communication was not good that day and the controller interpreted his report to be a C-130 with four engines out! Then things got interesting.

 

Almost all Lancair training manuals address this problem and direct the Mixture to be pulled aft untill engine runs smoothly.


Charlie K.

 
See me on the web at
 



From: randy snarr <randylsnarr@yahoo.com>
To: lml@lancaironline.net
Sent: Wed, September 8, 2010 11:48:43 AM
Subject: [LML] Engine failure ATC Transcript Super Legacy Twin Turbo TSIO 580

All,
Below is a link to a youtube video which contains a transcript of a Legacy pilot who departed Redmond, OR  on an IFR flight plan. He climbs IMC to his assigned altitude at 21,000 and at 20,000 there is a big BANG!! and the engine quits.
I only hope I would handle the same situation half as well...

Needless to say this is a harrowing story. The story has a happy ending but harrowing none the less. When listening to the audio, you forget how serious the situation is because he is so calm. The pilot is a friend of mine and I happened to call him 30 minutes after he landed and he recounted the tale to me. He told me the scariest part was not when the engine quit but when he was forced to descend into dark ugly IMC/ and Icing conditions with a dead engine. Oh, over the mountains!  He got icing on the way up and his new deicing system was working perfectly. He knew he would most likely get it on the way down as well, this time with a dead engine and potentially little power to run the deice system.
Upon landing, it was discovered that a turbo hose blew off in climb and when that happened because of the sudden loss of boost, it completely flooded the engine fouling the plugs.

Mark did an excellent job getting the airplane and himself down in one piece.
 
He travels the country weekly and spends around 3 days a week traveling this this airplane. His experience and proficiency definitely shows in this situation...

Above is part A of the transcript. You will see part B when the video ends...

Nice work under pressure...

Randy Snarr
N694RS

http://www.youtube.com/watch?v=nluZTFu2tCQ

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