Operated by IBM and based at Le Bourget. Test reg F-WJMM then to N4433F and N370WT in 1973. To N121WT in 1975, N256M in 1982, N26LA in 1989, N260MB in 1994 and N100AS in 1998. Converted to a Falcon 20F-5 by 2017. Still current on the register in 2021.