| Date: | Thursday 29 February 1968 |
| Time: | 22:43 |
| Type: |  Ilyushin Il-18D |
| Owner/operator: | Aeroflot, Far East Civil Aviation Directorate |
| Registration: | CCCP-74252 |
| MSN: | 187010601 |
| Year of manufacture: | 1967 |
| Total airframe hrs: | 328 hours |
| Cycles: | 89 flights |
| Fatalities: | Fatalities: 83 / Occupants: 84 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | 13 km NW of Parchum, Chunsky district, Irkutsk region -
 Russia
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Krasnoyarsk Airport (KJA/UNKL) |
| Petropavlovsk-Kamchatsky Airport (PKC/UHPP) |
Aeroflot flight 15 was a regular passenger service from Moscow's Domodedovo Airport to Petropavlovsk-Kamchatsky, with an intermediate stop at Krasnoyarsk.
At 22:03 hours local time, after having refueled at Krasnoyarsk, the Ilyushin Il-18 departed for the last leg of the flight. The aircraft climbed to the cruising altitude of 8000 meters. Last radio contact was at 22:43 with an unintelligible two-second radio transmission.
At that time the aircraft was in an emergency descent with an average vertical speed of 17-56 m/s (3360-11000 ft/min).
After reaching an altitude of 3000 meters, the vertical speed increased to 50-125 m/s (9850 - 24600 ft/min) and the aircraft turned right. Destructive overloads caused the aircraft to break up in mid-air at an altitude of 650 meters above ground level.
At that time the aircraft was descending inverted at a speed of 890 km/h.
One passenger survived the accident miraculously. His seat had separated together with a large section of airframe skin.
PROBABLE CAUSE: Unknown. It was considered possible that a fuel leak had occurred in the left wing, causing a fire.
Sources:
Soviet Transports
airdisaster.ru
Location
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