The single-decker variant of the Atlantean was extremely rare, and this was one of 12 purchased by Portsmouth in 1971/2. In 1978, 191, along with the rest of this batch, was fitted with a towing hook for use, when required, on the service between The Hard and the Continental Ferry Terminal for which a number of luggage trailers were acquired from British Airways. After 4 years of inactivity reported as being SOLD for Scrap, seen being towed away by a Scrap Dealer.

CPPTD is a constituent of the Working Omnibus Museum Project Ltd, a registed educational charity no. 10204111.