Arrival and Departure
On 12 September 2021, the pilot-in-command (PIC) of a Cessna 182T, registration RA-67213, arrived at the Columbus landing site (п. п. Колумб) for underwater hunting. The PIC departed for Russia on 16 September 2021, leaving the aircraft under guard at the landing site.
Return and Preparation
On 15 October 2021, the PIC and a passenger (an acquaintance of the PIC) arrived at the Columbus landing site via public transportation, also for underwater hunting, and with the intention of ferrying the aircraft back to Russia. On 17 October 2021, the PIC prepared the aircraft for flight. The fuel tanks contained approximately 160 kg of Avgas 100LL. The PIC added approximately 0.95 liters (one quart) of Shell 15W-50 motor oil to the engine oil system. No other special fluids were added. The PIC stated that the preflight inspection was performed in accordance with the aircraft flight manual, from 10:50 to 11:15 local time. The PIC assessed his health as good and did not undergo a medical examination before the flight, which is permitted under the relevant regulations (FAP-128).
Note
The information is based on an interview with the PIC dated 24 October 2021. The aircraft was reported to be fully serviceable before the flights.