Boeing 737 21356/496
A40-BD Gulf Air July 1977 to May 1994
EI-CKL Air South (USA) Aug 1994 to Mar 1998
LV-YIB Aerolineas Argentinas Mar 1998 to Jul 2001
N213MT dealer
5Y-BPI Regional Air (Kenya) Nov 2001 to Oct 2004 (in BA livery)
dumped at Addis Ababa Oct 2004
In passing I saw it at Savannah, Ga. one evening in 1996 in Air South service. It was VERY unusual for an aircraft in US domestic operation to be registered overseas like this one was for years.