On Sat, 18 Sep 2004 at 10:07:50 in message
, Peter Stickney
wrote:

Without a doubt, for revenue service. An inflight emergency on the
San Fran-Hawaii leg would have meant a lost airplane due to fuel
exhaustion, in most cases. Plus, even the shorter legs are still
damned long - Even if you duplicated the route of the Pan Am flying
boats - San Francisco-Honolulu-Midway-Wake-Manila-Hong Kong -
it's still unworkable wrt safety, and the stops would have added
tremendously to the travel time, annoyed the passengers, and shortened
the life of the airframes.

I am pretty sure that a Concorde flying from London to New York could
be forced to descend halfway across to subsonic cruise and still make
the destination. As I recall it was postulated that it might
occasionally be necessary due to a sudden upsurge of Solar radiation.
Radiation levels were monitored on the aircraft. A loss of one engine
could also be dealt with in the same way.

Just dug out a Concorde brochure, written when they still optimistically
hoped to sell many and fly them all around the world.

Pacific routes are included as follows

West Coast of USA; Anchorage, Seattle, San Francisco, Los Angeles, San
Diego and Acapulco were all shown as legs to Honolulu. Onward links from
Honolulu were to Tokyo and to Auckland and Sydney via a stop at Nandi.

West Coast USA to Australia in 2 stops - that's all.

Other routes include London to Vancouver and Los Angeles via Churchill
in Canada and flown subsonic over the USA to Los Angeles.

I am not convinced that the subsonic range of Concorde was
significantly different from the supersonic range.

--
David CL Francis