Heli-Leeds
Walter Holmes t/a Credit Default Register had the following aircraft...
G-AVVS Hughes 269-B - Feb 1973 - Jan 1988
G-AYMX Bell 206A - Aug 1973 - Aug 1988
G-AXMM Bell 206A - Sept 1974 - May 1976
G-BBFE Bell 206A - Jan 1975 - June 1983
Hope this helps.
MPR