Originally Posted by
Blackfriar
I did get a ride on one when going to a friends wedding - empty positioning BFS-SOU. We were very high for a Viscount, maybe over 30,000 ft. Then standing for the SOU landing. Wonderful.
Looking on-line, the service ceiling for the 800 series seems to have been FL270, though personally I don't recall hearing Viscounts going above about FL190 in their latter years. The Manx IOM-LHR service was one that used to venture up to those lofty heights, if my memory is correct.