The airline upgraded from the Shorts to the ATR.  It was a step too far and they folded.  Not before operating UK regional services to Paris to feed Air France, in the way Air UK used to.  I never got to fly on their ATRs, but had about 100 trips on their Shorts 330s.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/20509193680/">Gill Air ATR-42 G-BVJ? at NCL</a>