Built for the Nigerian company Jambo Air Lines as 5N-AQO, but was not delivered. Delivered as 5N-ARI instead to Project Management Air Services Ltd., a subsidiary company of Aeronautical Industrial Engineering and Project Management Company Ltd. (AIEP), a non-scheduled air charter company operating from the Old Kaduna Airport. The aircraft was damaged beyond economical repair in a landing accident at Eket Airstrip/DNEK on February 26, 1992. All occupants (2/10) were uninjured.

K25 slide scan. Delivered to Cameroon Air Force as TJ-XAG 1977. Cameroon Airlines TJ-AAO 1979, TJ-CCE 1982. Jambo Airlines 5N-ARJ 1986, LAR CS-TAU 1988, Twinjet Sales G-JHLN 1990, Kelner Airwas C-GTAD 1992, renamed Wasaya Airways same year. Damaged beyond repair overrunning runway Kasabonika, ON 6 August 1998.

This 748 spent 2 years in Nigeria from 1986 and was no stranger to Africa having been delivered from new to Cameroon in 1977. Damaged beyond repair during 1998 while operated by Wasaya at a small airfield in Ontario