Crash of a Boeing 747-209BSF in Bogotá: 2 killed

Date & Time: Jul 7, 2008 at 0352 LT
Type of aircraft:
Operator:
Registration:
N714CK
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Bogotá – Miami
MSN:
22446/519
YOM:
1981
Country:
Crew on board:
8
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
8874
Captain / Total hours on type:
2874.00
Copilot / Total flying hours:
11373
Copilot / Total hours on type:
2853
Aircraft flight hours:
90613
Circumstances:
Shortly after take off from Bogotá-El Dorado Airport, while climbing by night, the crew informed ATC about engine problems and was cleared for an immediate return. After the crew realized he could not make it, he attempted an emergency landing when the aircraft collided with a farm and crashed in an open field. While all 8 crew members were injured (five seriously), two people in the farm were killed. The aircraft was totally destroyed by impact forces.
Probable cause:
The inability of the accident aircraft to maintain flight after the loss of power of two engines.
The following contributing factors were identified:
A non-recoverable surge on the engine n°4 during the rotation, resulting in a loss of engine power. Contributing to the surge were the combined effects of the inefficient high pressure turbine, excessive blade-tip clearance, reduced cord of the fan blades and of the leading edges and the effects of high altitude. An undetermined anomaly in the engine n°1, which manifested itself during the extra power, resulted in loss of engine power. Contributing to the loss of engine power was inadequate n°1 operation to maintain the proper speed during the ascent of the aircraft, resulting in extra power use and, in turn, exposing the anomaly of the engine.
Final Report:

Crash of a Boeing 747-209F in Brussels

Date & Time: May 25, 2008 at 1331 LT
Type of aircraft:
Operator:
Registration:
N704CK
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
New York – Brussels – Bahrain
MSN:
22299/462
YOM:
1980
Flight number:
CKS207
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
15000
Captain / Total hours on type:
3000.00
Copilot / Total flying hours:
7000
Copilot / Total hours on type:
200
Aircraft flight hours:
108560
Aircraft flight cycles:
20599
Circumstances:
The flight crew arrived at Brussels the day before the accident, with a flight from Bahrain. The crew rested until the Sunday morning. The aircraft arrived at Brussels on Sunday with another crew; the two crews exchanged some information regarding the airplane. There were no mechanical problems reported. Runway 20 was in service for take-offs, while Runway 25L was mostly used for landings. The pilot performed the pre-flight inspection; he found only minor discrepancies (left inner tire check and E&E door latch down). The pre-flight briefing covered the standard departure call-outs, the runway incursion information, a discussion on the Runway 20 length, etc.. The crew also briefed about the engine failure procedures for an engine failure prior to V1, and they also briefed about an abort takeoff after V1 if there was a dangerous situation that would not allow the airplane to fly. After completing the flight documents, the crew requested an early departure, which they received. For the computation of the take-off parameters, the crew used the Kalitta Air On-board Performance System (OPS computer). The crew determined they needed the full length of the runway for take-off. The airplane taxied towards the B1 intersection for the Runway 20. After a few minutes, waiting for another airplane to land on Runway 25, they lined up on Runway 20, making a tight turn, in order to gain a few meters with respect to the usual departure position. The airplane was cleared for take-off at 11:29. The pilot pushed the throttles forward and checked the engines were stable. The Flight Engineers then set the engine power for take-off (setting “normal”, also known as “reduced thrust”). The aircraft started to accelerate. The standard call-out were made when the speed reached the determined value.
- “airspeed”
- 80 knots
- V1
A few seconds after reaching V1, the engine N°3 ingested a bird. Approximately 5 seconds after V1, the engine N°3 stalled and caused a loud “bang”, and a vibration felt in the cockpit. The pilot stated he had the feeling that the aircraft was no longer accelerating, and decided to abort the take-off. Two seconds after having heard the detonation, the thrust levers were brought back to idle, and braking action was initiated. The thrust reversers were not deployed. The FO called the tower, and notified the aircraft was going to the overrun. The pilot turned the aircraft a few degrees to the right, in order to avoid the approach lights at the end of the runway. The aircraft left the runway at a speed of approximately 72 Knots. The aircraft reached a first embankment, dropping from a height of 4 m, and broke in three parts. The aircraft came to a stop just above the top of the railroad embankment. The crew exited the airplane through the service door since the L1 door normally used was blocked due to deformation of the structure.
Probable cause:
The accident was caused by the decision to reject the takeoff 12 knots after passing V1 speed. The following factors contributed to the accident:
- Engine Nr 3 experienced a bird strike, causing it to stall. This phenomenon was accompanied by a loud bang, noticed by the crew.
- The aircraft line up at the B1 intersection although the take-off parameters were computed with the full length of the runway.
- The situational awareness of the crew,
- Less than maximum use of deceleration devices.
- Although the RESA conforms to the minimum ICAO requirement, it does not conform to the ICAO recommendation for length.
Final Report:

Serious incident with a Boeing 747-2D7B in Lomé

Date & Time: Feb 2, 2008
Type of aircraft:
Operator:
Registration:
N527MC
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Lomé - Amsterdam
MSN:
22471/504
YOM:
1981
Flight number:
GTI014
Location:
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Shortly after take off from Lomé international Airport, while on a cargo flight to Amsterdam, the crew declared an emergency and was cleared for an immediate return. The approach and landing were considered as normal and the aircraft returned safely to the apron. While all three crew members were uninjured, the aircraft was damaged beyond repair due to bulkhead destruction.
Probable cause:
It appears that the cargo shifted shortly after rotation and destroyed the bulkhead and several others structural parts inside the airplane.