No one in a large organization ever lost their job for failing in a bold initiative, if they didn't try one. The shuttle is a known quantity, necessary for operations and should be replaced, but new technology brings new risks, especially the risk of failure.

Buffalo Airways http://www.buffaloairways.com/passenger_service.htm seems to be flying them in regular passenger and freight service, there are others who are flying the BT-67 variant, http://www.baslerturbo.com , a stretched version refitted with turbo-prop engines and modern avionics. Some things reached the apex of design years ago and haven't been improved since. For some purposes the DC-3 is unsurpassed. Finally any flight in a DC-3 would be considered a short hop by current standards. With a top speed of only about 143 knots and a max range of about 1307 nautical miles it's only good for "short" hops.

Gary Sibio wrote:

At 03:02 PM 6/21/2004, you wrote:

A car is a bad analogy. The shuttle fleet is more like a fleet of airplanes. The Air force is expecting to fly B52s until they are about 100 years old.
There are airlines still flying DC-3's profitably. The age of the airframe isn't the problem. It's the use to which it has been put.
NASA's current
operating model doesn't require a better/cheaper device, it requires a safe device. A new shuttle design would be risky, (and I don't mean in terms
of passenger safety since the current design isn't particularly safe), so there isn't any rush to replace it.



The Air Force is experimenting with pilotless drones. DC-3s are used for short hops between islands in the Caribbean and very seldom even for that. There was a charter operation out of Las Vegas that used to fly them as a novelty.


Why would a new design be risky?



Gary J Sibio
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http://home.earthlink.net/~garysibio/

You know you're having a bad day when Elton John rewrites the lyrics to "Candle in the Wind" for you.





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