On 26th January 2024 at 11:05 h, a Challenger 601 – 3R with nationality and registration marks N580KR, owned and operated by Mattini Airline Services Limited departed Nnamdi Azikiwe International Airport (DNAA), Abuja for Ibadan Airport (DNIB), Oyo state as a private flight on an Instrument Flight Rules flight plan. The incident flight was the first sector of the day for the crew. On board were 15 persons inclusive of 2 cockpit crew and 1 cabin crew, with fuel endurance 2 hours 40 minutes. The Captain was the Pilot Flying (PF) while First Officer was the Pilot Monitoring (PM).
At 11:30 h, the aircraft contacted Ibadan ATC and passed the following information to it: “N580KR CL 60 Abuja Ibadan maintaining flight level 120 squawking 0404 POB 15-3 endurance 02 hours 40 minutes KR”.
The Duty Air Traffic Controller (DATCO) requested from the crew their estimates for Ibadan, which in response was given as 11:55 h. The DATCO then asked the crew to confirm maintaining FL 120 and they responded in the affirmative.
