AYWB :
Aircraft no 237, built Hurn in Dec-70. To Lacsa Costa Rica as TI-LRF in May-71, on to Cayman Airways as VR-CAB in Nov-79 until Dec-82. Stored until BIA took it as G-AYWB in Feb-84 until 1990, when short-lived London European had it as G-DJOS, at end of 1990 transferred to Ryanair as EI-CCU until autumn 94, when stored again until May-95 when to Nationwide in South Africa as ZS-NUG. Dumped at Jo'burg Lanseria in 2001 with the engines off, and was apparently still there like this at the end of 2013. Here's the same side as your original photo.
Photos: BAC 111-531FS One-Eleven Aircraft Pictures | Airliners.net