RE: Human Factors in ETOPS

Joan Kuenzi (Joan.Kuenzi_at_nwa.com)
Thu, 14 May 1998 09:00:58 -0500


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The ASRS web site will give you information as to how to submit a query. =
I received a great deal of info from my request several months ago, but =
I had to send a letter of request. Perhaps that can all be taken care =
of electronically now.

-----Original Message-----
From: Donald Talleur [SMTP:dtalleur_at_uiuc.edu]
Sent: Wednesday, May 13, 1998 4:10 PM
To: crm-devel_at_db.erau.edu
Subject: Re: Human Factors in ETOPS

Stewart,
Thank you for the below! While I understand the piston aircraft
issues, the current commercial aircraft issues are not so clear to me. I
wonder if NASA's ASRS database has any useful compiled info on this =
ETOPs
dual engine-out scenario?

Don

At 04:07 PM 5/13/98 -0400, you wrote:
>
>There have been several accidents where the wrong engine was secured. =
Some
>because of aircrew misidentification, and some because of crossed =
wiring of
>the engine monitoring system indicating the wrong or opposite engine. =
The
>are even a couple of cases of fuel transfer mismanagement where three =
of
>four engines were lost. Off the top of my head I recall an accident in =
UK
>of the wrong engine being secured, and an ETOPS dual engine flameout =
from
>Southern California (successful relight), and lots of light twin piston
>engine fuel starvation and wrong engine shutdowns. Identify, verify,
>feather is a very time critical process for light twins shortly after
>takeoff; but, with most of the commercial fleet now using turbines =
there is
>less of a time critical need to secure an engine. Anyone doing a
>scientific analysis must watch the data and not mix fleet =
configurations or
>go back too far. Because these types of accidents are very rare, it =
would
>sure help to have more complete incident reporting.
>
>Regards
>
>Stewart
>
> AM 5/13/98 -0500, you wrote:
>>
>>I would be interested to know what the perceived risk is of a dual =
engine
>>shutdown (one emergency and the other engine shut down by aaccident) =
is
>>regards to the ETOPS discussion. I have a hard time believing this is =
likely
>>to happen but, being an Instructor, I'm smart enough to realize that =
if you
>>can think of something that might go wrong, it either has at some =
point or
>>will in the future.
>>
>>Don
>>
>>--=20
>>Donald Anders Talleur email: dtalleur_at_uiuc.edu
>>Assistant Aviation Education Specialist/
>> Assistant Chief Flight Instructor
>>Institute of Aviation- Willard Airport
>>Aviation Research Laboratory- 244-8687
>>Pilot Training- 244-8606
>>
>>Hard work spotlights the character of people: some turn up=20
>>their sleeves, some turn up their noses, and some don't turn
>>up at all! (Sam Ewing)
>>
>>
>
>

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