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Crash of an Ilyushin II-62M in Mendeleyevo: 90 killed

Date & Time: Jul 6, 1982 at 0035 LT
Type of aircraft:
Operator:
Registration:
CCCP-86513
Flight Phase:
Survivors:
No
Schedule:
Moscow - Dakar - Freetown
MSN:
4037536
YOM:
1974
Flight number:
SU411
Country:
Region:
Crew on board:
8
Crew fatalities:
Pax on board:
82
Pax fatalities:
Other fatalities:
Total fatalities:
90
Aircraft flight hours:
4818
Aircraft flight cycles:
1139
Circumstances:
The four engine airplane departed Moscow-Sheremetyevo Airport on a regular schedule service to Freetown with an intermediate stop in Dakar. After takeoff from runway 24R at Sheremetyevo Airport, while in initial climb, the crew raised the landing gear. Eight seconds later, the fire alarm for engine n°1 sounded. The crew shut down the engine in accordance with the Flight Manual and used the three stages of fire suppression systems. Thirty seconds later, the fire alarm coupled to the engine n°2 sounded as well. The same procedure was adopted for the second engine and the crew declared an emergency. At a speed of 320 km/h and a height of 160 meters with the undercarriage retracted and the flaps down at 30°, the pilot-in-command initiated a right turn. Unfortunately, he was unable to maintain a safe altitude and the airplane lost speed and height while in a high angle of attack. From a height of 75 meters, the airplane stalled, banked left to 70° then nosed down 20° and crashed in a wooded area located in Mendeleyevo, about 11,4 km northwest of the airport. The aircraft disintegrated on impact and all 90 occupants were killed.
Probable cause:
It was determined that both fire alarms on engines n°1 and 2 were false. Hot air from a ruptured pipe of the air conditioning system had blown on the temperature sensors.

Crash of an Ilyushin II-62 in Warsaw: 87 killed

Date & Time: Mar 14, 1980 at 1114 LT
Type of aircraft:
Operator:
Registration:
SP-LAA
Survivors:
No
Schedule:
Montreal - New York - Warsaw
MSN:
11004
YOM:
1971
Flight number:
LO007
Country:
Region:
Crew on board:
10
Crew fatalities:
Pax on board:
77
Pax fatalities:
Other fatalities:
Total fatalities:
87
Circumstances:
The four engine airplane was completing flight LO007 from Montreal to Warsaw via New York-JFK. On final approach to Warsaw-Okecie Airport runway 15, the crew reported problems with the landing gears that seemed to be down but not locked. At a height of about 250 meters, the captain was cleared to initiate a go-around and increased engine power when the engine n°2 exploded, damaging the engine n°1. Debris damaged the rudder and elevator control cables, causing the aircraft to enter an uncontrolled descent. In a 20° nose-down attitude, the aircraft speed increased to 380 km/h when it crashed in an embankment located by the Okecie Fort, about 900 meters short of runway 15 threshold. The aircraft disintegrated on impact and all 87 occupants were killed. On board were 14 members of the US boxing team and 10 coaches as well as Anna Jantar, a Polish singer.
Probable cause:
Explosion of the engine n°2 caused by the disintegration of a compressor stage due to fatigue cracks.

Crash of an Ilyushin II-62M in Havana: 67 killed

Date & Time: May 27, 1977 at 0845 LT
Type of aircraft:
Operator:
Registration:
CCCP-86614
Survivors:
Yes
Schedule:
Moscow - Frankfurt - Lisbon - Havana
MSN:
51903
YOM:
1975
Flight number:
SU331
Country:
Crew on board:
10
Crew fatalities:
Pax on board:
59
Pax fatalities:
Other fatalities:
Total fatalities:
67
Aircraft flight hours:
5549
Aircraft flight cycles:
1144
Circumstances:
Following an uneventful flight from Lisbon, the crew started the descent to Havana-Jose Martí-Rancho Boyeros Airport and was cleared for an approach to runway 05. The crew encountered poor visibility due to foggy conditions and failed to realize his altitude was too low after he initiated the final approach too late, causing the aircraft to be 64 meters below the minimum descent altitude. The aircraft turned onto runway heading at a distance of 9 km from the runway threshold. According to the approach procedure, the aircraft should have done so at 14-15 km from the threshold. Despite he did not have the runway in sight, the captain decided to continue to descent until the aircraft passed below the decision height. At a distance of 1,820 meters from the runway threshold, the aircraft was approaching at a speed of 280 km/h and at a height of 23-25 meters when it struck power cables. Elevators separated and flaps on the right wing were torn off. The airplane then struck 22 palms, continued to descent until it crashed in flames 1,270 meters short of runway and 121 meters to the right of its extended centerline. Two passengers were seriously injured while 67 other occupants were killed.
Probable cause:
The accident was the consequence of several errors on part of the flying crew who failed to realize that the approach configuration was wrong. The approach was initiated too late (9 km iso 15 km) and the crew continued the descent below the glide due to a wrong altimeter setting. At the time of the accident, the visibility was below minimums due to foggy conditions and the crew failed to take corrective actions and to properly monitor the radio altimeter, causing the airplane to descend until it impacted with trees and ground.

Crash of an Ilyushin II-62 near Damascus: 126 killed

Date & Time: Aug 20, 1975 at 0113 LT
Type of aircraft:
Operator:
Registration:
OK-DBF
Survivors:
Yes
Site:
Schedule:
Prague - Damascus - Baghdad - Tehran
MSN:
31502
YOM:
1973
Flight number:
OK542
Country:
Region:
Crew on board:
11
Crew fatalities:
Pax on board:
117
Pax fatalities:
Other fatalities:
Total fatalities:
126
Circumstances:
While approaching Damascus International Airport by night and excellent weather conditions, the crew failed to realize his altitude was insufficient when the airplane struck the ground at an altitude of 605 meters AMSL and crashed in flames in a desert area located about 18 km from the airport. Rescue teams arrived on scene about 30 minutes later and two passengers, two Syrian citizens, were rescued. All 126 other occupants were killed, among them 67 Czechs, 55 Syrians, 3 Polish and one East-German. At the time of the accident, weather conditions were ideal with good visibility despite the night and a wind from 230° at 10 knots.
Probable cause:
The exact cause of the accident could not be determined with certainty. However, it is believed that the accident may have been caused by a wrong altimeter setting after the crew mixed QNH and QFE values.

Crash of an Ilyushin II-62 in Moscow: 174 killed

Date & Time: Oct 13, 1972 at 2149 LT
Type of aircraft:
Operator:
Registration:
CCCP-86671
Survivors:
No
Schedule:
Paris - Leningrad - Moscow
MSN:
70301
YOM:
1977
Flight number:
SU217
Country:
Region:
Crew on board:
10
Crew fatalities:
Pax on board:
164
Pax fatalities:
Other fatalities:
Total fatalities:
174
Aircraft flight hours:
4374
Aircraft flight cycles:
1674
Circumstances:
The airplane was completing a charter flight from Paris to Moscow with an intermediate stop in Leningrad. It departed Leningrad-Pulkovo Airport at 2059LT bound for Moscow. While descending from the north in marginal weather conditions at an altitude of 600 meters, the airplane entered an uncontrolled descent, nosed down then struck trees and crashed in flames in a wooded area located near Krasnaya Polyana, about 5 km north of Moscow-Sheremetyevo Airport. The aircraft was totally destroyed by impact forces and debris were found on an area of 550 meters long and 80 meters wide. None of the 174 survived the crash. Among the passengers were 128 Russians, 38 Chileans, six Algerians, one East-German and one Australian. Up to date, this was the worse plane crash in History.
Probable cause:
The exact cause of the accident could not be determined with certainty. However, the assumption that the loss of control was the consequence of a technical problem with the elevator control system or the longitudinal control system wass not ruled out.

Crash of an Ilyushin II-62 in Königs Wusterhausen: 156 killed

Date & Time: Aug 14, 1972 at 1701 LT
Type of aircraft:
Operator:
Registration:
DM-SEA
Flight Phase:
Survivors:
No
Schedule:
Berlin - Burgas
MSN:
00702
YOM:
1970
Country:
Region:
Crew on board:
8
Crew fatalities:
Pax on board:
148
Pax fatalities:
Other fatalities:
Total fatalities:
156
Captain / Total flying hours:
8100
Copilot / Total flying hours:
6041
Aircraft flight hours:
3520
Circumstances:
The four engine aircraft departed Berlin-Schönefeld Airport at 1630LT on a charter flight to Burgas, carrying 148 passengers (144 East German citizens, three Austrians and one unknown nationality) and eight East-German crew members. Thirteen minutes later, while cruising at an altitude of 29,200 feet, the crew informed ATC about technical problems and was cleared to return to Berlin. The dumping fuel system was activated at 1651LT and three minutes later, as the situation worsened, the captain started an emergency descent. At 1659LT, he informed ATC that he was losing control of the airplane and declared a fire on board. Shortly later, the empennage detached and totally out of control, the airplane dove into the ground and crashed in flames in a wooded area located in Königs Wusterhausen, about 11 km southeast of Berlin-Schönefeld Airport. The aircraft was totally destroyed and none of the 156 occupants survived the crash. Up to date, this was the worst aircraft crash in the European History.
Probable cause:
A hot-air tube in the rear of the airplane had contained a leak for some time. During the operation of the plane hot air with temperatures of around 300 degrees C had caused a weakening of the insulation material of electricity wires and the airplane controls. Immediately after takeoff on the ill-fated flight, a short-circuit occurred. Sparks with a temperature of up to 2000 degrees C caused substantial melting and ultimately a fire in the nr. 4 cargo bay which was located in the rear of the plane. The fire weakened the fuselage structure, causing the tail section to fail in-flight.

Crash of an Ilyushin II-62 in Cairo

Date & Time: Jun 16, 1972 at 1200 LT
Type of aircraft:
Operator:
Registration:
SU-ARN
Survivors:
Yes
MSN:
00801
YOM:
1970
Country:
Region:
Crew on board:
12
Crew fatalities:
Pax on board:
47
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After landing on runway 36 at Cairo-Almaza Airport, the four engine airplane was unable to stop within the remaining distance, overran, lost its undercarriage and came to rest. All 59 occupants escaped uninjured while the aircraft was damaged beyond repair. It was determined that the crew was scheduled to land at Cairo International Airport runway 34 but following a poor flight preparation and several mistakes on approach, the crew descended to Almaza Airport instead of the international airport. At the time of the accident, the first portion of 650 meters of runway 34 at International Airport were closed to traffic due to repair. Thinking they were landing on the right airport, the crew landed at Almaza runway 36 700 meters past its threshold. In such conditions, the airplane was unable to stop within the remaining distance of runway 36 (1,890 meters), which is a relative short for such aircraft type.
Probable cause:
Crew error.

Crash of an Ilyushin II-62 in Moscow

Date & Time: Feb 25, 1965
Type of aircraft:
Operator:
Registration:
CCCP-06156
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Moscow – Tashkent – Ashgabat
MSN:
3 00 01
YOM:
1963
Country:
Region:
Crew on board:
17
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
10
Circumstances:
The crew was engaged in a test flight from Moscow to Ashgabat with an intermediate stop at Tashkent Airport. The takeoff was attempted with a total weight near the MTOW. After liftoff, the airplane nosed up then lost speed and height. At a height of 4-5 meters, the airplane struck a concrete wall, stalled then crashed in flames. Ten crew members were killed while seven others were injured. The aircraft, first prototype built in 1962, was destroyed. It made its first successful test flight on January 2, 1963.