Re[2]: ETOPS

From:         "Peter Mchugh" <PMCHUGH@mail.hq.faa.gov>
Date:         12 Oct 96 02:36:01 
References:   1 2
Followups:    1
Next article
View raw article
  or MIME structure

DLawler (dlawler@aol.com) wrote:

> to keep them in peak operating condition.  Boeing has argued that the
> evidence shows the more engines and aircraft has, the more likely there
> will be a problem with one or more of the engines, and that consequently
> 3+ engine airplanes are no more safe in that respect than 2 engine
> airplanes.

     Seems to me the question is one of what is being optimized...safety or
     aircraft availability.  If one wants to have fewer possible failure
     points reduce redundancy...but if we'd like to keep the aircraft aloft
     when failures occur, redundancy seems appealing...n'est pas?