Re: Human Factors in ETOPS

Donald Talleur (dtalleur_at_uiuc.edu)
Wed, 13 May 1998 16:09:48 -0500


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
>>
>>--
>>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
>>their sleeves, some turn up their noses, and some don't turn
>>up at all! (Sam Ewing)
>>
>>
>
>