What happened
On July 12, 2024, a crew consisting of a captain and a first officer, operating for Gazprom Avia, was scheduled to perform flight GZP9608. The flight involved an RRJ-95LR-100, registration RA-89049, traveling from Lukhovitsy (Tretyakovo) airport to Moscow Vnukovo airport. The purpose of this flight was to return the aircraft to its home base following the completion of a complex series of maintenance checks (2A+4A+1C+2C+5C) performed at the Voronin Aircraft Repair and Maintenance Center.
The flight plan was submitted to the Regional Air Traffic Management Center by the airline's dispatch unit at 19:01 on July 11, 2024. The planned route utilized Class C airspace, with a scheduled departure time of 11:00 UTC (1ered 14:00 local time). Flight rules for the RRJ-95LR-100 RA-89049 were approved by the Moscow Regional Air Traffic Management Center on the evening of July 11.
The investigation
Pre-flight preparations for the crew were conducted on July 11, 2024, at the Ostafyevo airport administrative building. These preparations were supervised by the deputy squadron commander of the Superjet flight operations service for Gazprom Avia. During this briefing, the crew reviewed the flight objectives, Standard Instrument Departure (SID) and Standard Terminal Arrival (STAR) procedures, taxi routes for both primary and alternate airports, radio communication protocols, and approach procedures. The session included flight simulations and a formal assessment of the crew's readiness for the upcoming mission.