Crash of an Ilyushin II-76TD in Karachi: 11 killed

Date & Time: Nov 28, 2010 at 0145 LT
Type of aircraft:
Operator:
Registration:
4L-GNI
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Karachi - Khartoum - Douala
MSN:
43452546
YOM:
1982
Flight number:
MGC4412
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
11
Captain / Total flying hours:
7272
Captain / Total hours on type:
5502.00
Copilot / Total flying hours:
2220
Aircraft flight hours:
8357
Aircraft flight cycles:
3373
Circumstances:
On 27th November, 2010 the operating crew of mishap aircraft flew from Fujairah (UAE) to JIAP, Karachi (Pakistan) at 1000 UTC. The load onboard was weighing 9 tons (Packaged Boeing
747 engine). The aircraft had flown to Fujairah airport from Kandahar. According to the provided information on the 27-11-2010 the crew comprising Aircraft Commander, Second Pilot, Navigator, Flight Engineer, Flight Radio Operator, and Flight Operator flew from Fujairah (UAE) to JIAP Karachi. After landing the crew members were shifted to “Regent Plaza” hotel in Karachi. The stay of crew in the hotel was not less than 8 hours. The aircraft was refuelled at JIAP, Karachi and total fuel onboard was 74 tons. A cargo load of 30.5 tons was also loaded after refuelling the aircraft. The aircraft mass was 197 tons with its CG at 30% Mean Aerodynamic Chord (MAC) before undertaking the mishap flight. The aircraft was scheduled for departure from JIAP, Karachi at 2025 UTC 28th November, 2010) on route “Karachi – Khartoum – Douala, Cameroon to deliver humanitarian aid (tents). The crew arrived at airport around 1900 UTC. The weather conditions were satisfactory. The weather details are mentioned in this report at Para 1.7. After starting engines the crew taxied the plane to Runway 25L and reported to the air traffic controller that the plane would take off in 3 minutes and the aircraft took off at 2048 UTC. According to the radar data the aircraft ascended to 600 feet, started descending and then disappeared from the radar screen. The air traffic controller did not receive any information from the crew members about emergency conditions onboard. The aircraft crashed at about 2050 UTC on a bearing of 070 degree and approximately 02 NM from JIAP, Karachi at geographical location N24°53.651’, E 067°06.406’.
Probable cause:
The cause of the occurrence was uncontained failure of the 2nd stage disk of LP compressor of Engine # 4 due to fatigue fracture which resulted in in-flight fire and damage to adjacent areas of right wing / flaps to an extent that flight could not be sustained.
The use of mishap engine beyond its manufacturer’s assigned life without assessment and life enhancement by the manufacturer was the cause of its uncontained fatigue failure.
Final Report:

Ground accident of an Ilyushin II-76MD in Ivanovo

Date & Time: Nov 7, 2009
Type of aircraft:
Operator:
Registration:
RA-86894
Flight Phase:
Flight Type:
Survivors:
Yes
MSN:
00134 32977
YOM:
1981
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
6200
Circumstances:
The crew lined up on runway and was cleared for takeoff. Power was added on all four engine and the crew started the takeoff roll when the engine n°3 detached from its pylon, fall on the ground and rolled for about 150 metres before coming to rest. The crew stopped the airplane and evacuated safely. The aircraft was damaged beyond repair.
Probable cause:
The engine n°3 detached during the takeoff roll for unknown reasons.

Crash of an Ilyushin II-76MD in Mirny: 11 killed

Date & Time: Nov 1, 2009 at 0849 LT
Type of aircraft:
Registration:
RF-76801
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Mirny – Irkutsk – Chita
MSN:
00934 95866
YOM:
1989
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
11
Circumstances:
The four engine aircraft departed Mirny on a positioning flight to Chita with an intermediate stop in Irkutsk, carrying four passengers and a crew of seven on behalf of the Russian Ministry of the Interior. Shortly after takeoff by night, the aircraft rolled to the right to an angle of 90° then crashed at a speed of 364 km/h some 1,893 metres past the runway end. The aircraft was totally destroyed and all 11 occupants were killed. The accident occurred 59 seconds after takeoff.
Probable cause:
The day before the accident, the aircraft arrived in Mirny following a cargo flight, delivering various goods. After landing, the crew activated the electrical locking system for the rudder and the ailerons, and the 'lock on' light came on in the cockpit panel. In the morning of the accident, prior to takeoff, the crew followed the pre-takeoff checklist and deactivated the electrical locking system, but the 'lock on' light remained illuminated. Considering this as a false alarm, the captain decided to take off and proceeded with a manuel control of the ailerons. The left aileron moved normally while the right aileron got locked because of the locking mechanism. During the takeoff roll, because the four engine were not in full power mode, there was no sound alarm about the aileron locked mechanism. The aircraft deviated to the right and after lift off, it rolled to the right to angle of 8°. The pilot-in-command elected to counteract the banking but this maneuver was limited due to the right aileron locked mechanism. The aircraft continued to roll to the right to an angle of 90° until control was lost.

Crash of an Ilyushin II-76MD Simorgh in Varamin: 7 killed

Date & Time: Sep 22, 2009 at 0930 LT
Type of aircraft:
Operator:
Registration:
5-8208
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Tehran - Tehran
MSN:
00834 84542
YOM:
1988
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
The crew departed Tehran-Mehrabad Airport for a local training mission. While cruising south of the capital city, the crew declared an emergency following an engine failure and elected to return. During the emergency descent to runway 29L, the radome located on the roof detached and hit the tail. Out of control, the aircraft crashed in an open field located near Varamin. The aircraft disintegrated on impact and all seven occupants were killed. It is believed that the radome detached because the aircraft' speed exceeded its certification during the emergency descent.

Crash of an Ilyushin II-76TD in Luanda

Date & Time: Aug 27, 2009
Type of aircraft:
Operator:
Registration:
T-906
Flight Phase:
Flight Type:
Survivors:
Yes
MSN:
10134 08246
YOM:
1991
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
During the takeoff roll at Luanda-4 de Fevereiro Airport, the crew started the rotation but the aircraft did not respond. It continued on the runway, overran and came to rest. There were no injuries but the aircraft was damaged beyond repair.
Probable cause:
Poor flight preparation on part of the crew who failed to select the flaps in the appropriate position prior to takeoff.

Crash of an Ilyushin II-76T off Entebbe: 11 killed

Date & Time: Mar 9, 2009 at 0515 LT
Type of aircraft:
Operator:
Registration:
S9-SAB
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Entebbe - Mogadishu
MSN:
0734 10301
YOM:
1977
Location:
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
11
Circumstances:
Shortly after takeoff from Entebbe Airport runway 17, while climbing by night, the aircraft entered an uncontrolled descent and crashed in the Lake Victoria, some 10 km south from Entebbe airport. The aircraft disintegrated on impact and all 11 occupants were killed, among them 3 Army Officer from Burundi and one Army Officer from Uganda. They were flying to Mogadishu on behalf of the Amisom, the African Union Mission In Somalia. The aircraft was chartered by the US Company Dynacorp to carry tents and water purification equipments.

Ground collision of two Ilyushin II-76MD in Makhachkala: 4 killed

Date & Time: Jan 15, 2009 at 2110 LT
Type of aircraft:
Operator:
Registration:
RA-76825
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Makhachkala - Nizhny Novgorod
MSN:
10034 04136
YOM:
1990
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
The aircraft was dispatched to Makhachkala to deliver troops, military equipments and cargo with 7 crew members on board. Ready for the next trip to Nizhny Novgorod, the crew was cleared to taxi to the holding point of runway 14. At that time, the visibility was poor due to the night and foggy conditions. Another Ilyushin II-76MD registered RA-76827 was on approach to runway 14 with 25 passengers and a crew of six on board. On final approach, the navigator informed the crew that the headlights should be switched on but no actions was taken. In a visibility lower than 800 metres, the aircraft landed slightly to the left of the runway centerline. After touchdown, the left wing impacted the cockpit of the II-76 awaiting at the holding bay. While RA-76827 suffered only minor damaged and that no one on board was injured, all four crew members in the cockpit of RA-76825 were killed while three other occupants were injured.

Crash of an Ilyushin II-76TD in Khartoum: 4 killed

Date & Time: Jun 30, 2008 at 0700 LT
Type of aircraft:
Operator:
Registration:
ST-WTB
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Khartoum – Juba
MSN:
10034 99994
YOM:
1990
Flight number:
BBE700
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Captain / Total flying hours:
15634
Captain / Total hours on type:
4794.00
Circumstances:
The aircraft was cleared for takeoff and began its departure roll with flaps retracted, according to flight data recorder. The aircraft rotated at 280 kph (151 knots) and became airborne at 288 kph (155 knots) at an angle of attack of about 8-9 degrees. Tyre marks on the runway showed, that the aircraft had gone past the end of the runway, the main tyres had impacted runway end lights and the tyre tracks continued past the paved surface of the stopway. Climbing through 15 feet the pilot flying commanded the gear up and increased the pitch angle, the angle of attack increased to more than 10 degrees while the gear doors opened for gear retraction increasing the drag of the aircraft, which began to slow, the speed reduced to 305 kph (164 knots), stall speed for the takeoff weight, and the left wing began to stall, the angle of attack increased to 17 degrees, the aircraft at a height of 5-7 meters/15-23 feet. The pilot flying tried to counteract the roll to the left by fully applying left aileron which also deployed the right wing spoilers, right rudder input was provided. The pilot flying instructed the flight engineer to NOT retract flaps indicative neither pilot was aware the flaps were up. Following that instruction the flight engineer selected the flaps down, the aircraft speed was 300 kph (162 knots) and the aircraft in an unrecoverable stall with no height left. The left hand wing struck a high voltage mast about 1200 meters past the runway end at a height of 5.4 meters (18 feet) shearing off the left wing tip, contacted the flag post at the entrance of the Green Square, the left wing contacted the stem of a tree at a height of about 40 cm (1.3 feet) separating the ailerons and causing fuel spilling from the left wing, the aircraft broke through the eastern brick wall of Green Square, collided with two more electric poles causing engine #4 to separate 1504 meters from the end of the runway and impacted ground at 30 degrees nose down, 30 degrees left bank. Debris was distributed over a length of more than 500 meters, the aircraft burst into flames. All 4 crew perished in the crash, 4 people on the ground received serious, 3 more received minor injuries.
Probable cause:
The following findings were identified:
- From the CVR recording it appeared that no checklist had been used during all phases from engine start up, taxiing and take off,
- Ababeel company does not keep any records or files regarding the crew flying experience. They joined the company about four months before the accident,
- Engine n°1 showed only 96.2% N1 and thus delivered less thrust than the other three engines,
- Engine n°4 showed a 30° higher EGT than the other engines indicating that the engine was not in a satisfactory condition requiring the temperature limiter to be switched off to enable the engine to deliver the thrust needed,
- According to the FCOM the aircraft would need 2,850 meters takeoff distance at 188 tons takeoff weight with flaps at 30° and slats at 14°. As the crew did not use the checklists, either they were used to extend the flaps and slats after the aircraft gained certain speed and their attention was being drawn by monitoring the engine which the navigator asked about or another serious defect or they forgot to extend the flaps due to fatigue caused by alcohol consumption by the flight engineer and short periods of rest for the first officer. The clean aircraft lift off after rolling for a distance of 2,380 meters for take off which was a very short distance for such weight and temperature of 27°. Retracting of landing gear immediately within lift-off increased drag before the aircraft gained positive lift,
- the aircraft never climbed above 7 meters (23 feet) above ground,
- the aircraft had an automatic configuration warning which would activate at 70 +/- 15 kph, if the flaps were not extended. This system however could be switched off, or might have been malfunctioning, it did not activate during the takeoff run.