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Crash of an Airbus A320-216 into the Java Sea: 162 killed

Date & Time: Dec 28, 2014 at 0618 LT
Type of aircraft:
Operator:
Registration:
PK-AXC
Flight Phase:
Survivors:
No
Schedule:
Surabaya – Singapore
MSN:
3648
YOM:
2008
Flight number:
QZ8501
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
156
Pax fatalities:
Other fatalities:
Total fatalities:
162
Captain / Total flying hours:
20537
Captain / Total hours on type:
4687.00
Copilot / Total flying hours:
2247
Copilot / Total hours on type:
1367
Aircraft flight hours:
23039
Aircraft flight cycles:
13610
Circumstances:
The aircraft left Surabaya-Juanda Airport at 0535LT and climbed to its assigned altitude of FL320 that he reached 19 minutes later. The crew contacted ATC to obtain the authorization to climb to FL380 and to divert to 310° due to bad weather conditions. At 0617, the radio contact was lost with the crew and a minute later, the transponder stopped when the aircraft disappeared from the radar screen. At this time, the aircraft was flying at the altitude of 36,300 feet and its speed was decreasing to 353 knots. It is believed the aircraft crashed some 80 nautical miles southeast off the Pulau Belitung Island, some 200 km from the Singapore Control Area. The Indonesian Company confirmed there were 156 Indonesian Citizens on board, three South Korean, one Malaysian, one Singapore and one French (the copilot) as well. At the time of the accident, the weather conditions were marginal with storm activity, rain falls and turbulence in the area between Pulau Belitung and Kalimantan. First debris were spotted by the Indonesian Navy some 48 hours later, about 150 NM east-south-east off the Pulau Belitung Island. About forty dead bodies were found up to December 30. The tail was recovered on January 10, 2015 and the black boxes were localized a day later. On January 12 and 13 respectively, the DFDR and the CVR were out of water and sent to Jakarta for analysis and investigations.
Probable cause:
The cracking of a solder joint of both channel A and B resulted in loss of electrical continuity and led to RTLU (rudder travel limiter unit) failure.
The existing maintenance data analysis led to unresolved repetitive faults occurring with shorter intervals. The same fault occurred 4 times during the flight.
The flight crew action to the first 3 faults in accordance with the ECAM messages. Following the fourth fault, the FDR recorded different signatures that were similar to the FAC CB‟s being reset resulting in electrical interruption to the FAC‟s.
The electrical interruption to the FAC caused the autopilot to disengage and the flight control logic to change from Normal Law to Alternate Law, the rudder deflecting 2° to the left resulting the aircraft rolling up to 54° angle of bank.
Subsequent flight crew action leading to inability to control the aircraft in the Alternate Law resulted in the aircraft departing from the normal flight envelope and entering prolonged stall condition that was beyond the capability of the flight crew to recover.
Final Report:

Crash of a Beechcraft B80 Queen Air in Indonesia

Date & Time: Dec 15, 1970
Type of aircraft:
Registration:
PK-LEB
Flight Phase:
Survivors:
Yes
MSN:
LD-356
YOM:
1967
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed following an engine failure at takeoff somewhere in Indonesia. There were no casualties but the aircraft was written off.
Probable cause:
Engine failure at takeoff.

Crash of a Scottish Twin Pioneer 3 in Indonesia: 7 killed

Date & Time: Sep 20, 1963
Operator:
Registration:
PK-GTB
Flight Phase:
Survivors:
No
Site:
MSN:
511
YOM:
1957
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
Crashed in unknown circumstances somewhere in Indonesia, killing all seven occupants.

Crash of a Scottish Twin Pioneer 3 in Indonesia

Date & Time: May 14, 1963
Operator:
Registration:
PK-GTC
Flight Phase:
Survivors:
Yes
MSN:
579
YOM:
1961
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed on takeoff from an airport located somewhere in Indonesia. There were no injuries but the aircraft was damaged beyond repair.