RE: twin vs. single

["Dan Crowe" <danc@aircoastal.com>]

I think this single vs twin debate will go on forever.
 
A good source of information on this is Robert Breilings annual accident
review. I have a copy of 2000 turbine helicopter review. Of course you
can pick through it and somewhat make the stats say what you want. It
breaks out between aircraft, types of operations etc. Fleet wide however
over many periods the single is shown to have less fatal accidents per
100,000 hrs than the twin. For example the period of 1996 thru 2000
single turbine helicopter was .69 and twin was .79. Interestingly In
both single and twins the pilot/crew account for more than %50 of the
probable cause of accidents.
Also In Twin engine turbine Airplanes a second pilot lowered the
accident rate by almost %50. 
 
I personaly feel safe flying any well maintained aircraft that I have
had the proper training and experience in.
 
I think the motivation for any aircraft choice should be its
capabilities vs cost. Usually more capabilites such as payload, range
cabin size puts you into larger twin engine aircraft. Perhaps when we
get that larger more cabable aircraft we could consider adding a second
pilot for safety as being more important than the second engine?
 
Dan Crowe
Aircoastal Helicopters
 

-----Original Message-----
From: tammye erdmann [mailto:scrappyfltnurse@yahoo.com]
Sent: Tuesday, November 05, 2002 3:08 AM
To: flightmed@flightweb.com
Subject: twin vs. single



Looking for feed back from flight teams that are operating single
engines and considering going to twins... What is the motivation?

Also, programs operatins twin engines and considering going to
singles....What is the motivation?

Are Twin engines safer? 

 




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