On 21 July 2022, an Airbus A320-200 aircraft, registered PK-GLW was being operated by PT Citilink Indonesia (Citilink) on a scheduled passenger flight from Juanda International Airport (WARR), Surabaya to Sultan Hasanuddin International Airport (WAAA), Makassar with flight number CTV307.

Prior to the flight, both pilots conducted blood pressure and oxygen saturation tests and the result for both pilots were normal. During the flight preparation, the Pilot in Command (PIC) conducted a pre-flight briefing to all crewmember in the aircraft. There was no report of health problem of crewmembers or aircraft technical system abnormality.

The flight consisted of two pilots, four flight attendants and 171 passengers. The PIC acted as Pilot Monitoring (PM) and the Second in Command (SIC) acted as Pilot Flying (PF).

At 2315 UTC (0615 LT), on daylight condition, the aircraft departed Surabaya and about two minutes after, the SIC saw the PIC was in stiff position, the SIC attempted to check the PIC consciousness and was no response.

The SIC informed to Flight Attendant 1 (FA1) who then informed other FA. A doctor onboard the flight examined the PIC and conducted medical treatment to the PIC.

The SIC contacted the air traffic controller and Citilink operation ground station informed that the PIC was incapacitated and requested assistance.

The SIC flying the aircraft by himself including read and performed the checklist. The aircraft landed safely and stopped on the runway. Considering that the PIC required immediate assistance, then the SIC decided to continue taxi to the parking stand.

After the aircraft stopped and the forward cabin door was opened, the medical personnel of the airport entered the aircraft to examine the PIC condition. The PIC then transported to a hospital. The PIC was found death upon arrival at the hospital.