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Accident
Last updated: 22 October 2017
Status:Schlussbericht
Datum:Donnerstag 11 Februar 2010
Zeit:11:50
Flugzeugtyp:Silhouette image of generic AT43 model; specific model in this crash may look slightly different
ATR 42-300
Fluggesellschaft:Trigana Air Service
Kennzeichen: PK-YRP
Werknummer: 050
Baujahr: 1987-05-22 (22 years 9 months)
Betriebsstunden:34414
Anzahl Zyklen der Zelle:42107
Triebwerk: 2 Pratt & Whitney Canada PW121
Besatzung:Todesopfer: 0 / Insassen: 6
Fluggäste:Todesopfer: 0 / Insassen: 46
Gesamt:Todesopfer: 0 / Insassen: 52
Sachschaden: schwer beschädigt
Konsequenzen: Written off (damaged beyond repair)
Unfallort:33 km (20.6 Meilen) NE of Balikpapan-Sepingan Airport (BPN) (   Indonesien)
Flugphase: Landung (LDG)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Tanjung Redep/Berau-Kalimaru Airport (BEJ/WALK), Indonesien
Flug nach:Samarinda Airport (SRI/WALS), Indonesien
Flugnummer: 162
Unfallbericht:
An ATR-42-300 turboprop plane, registered PK-YRP, was damaged in a forced landing in a rice field near Balikpapan-Sepingan Airport (BPN), Indonesia. All six crew members and 46 passengers survived the accident.
The domestic passenger flight TGN162 departed Tanjung Redep/Berau-Kalimaru Airport (BEJ) at 10:30 and climbed to Flight Level (FL) 140. Balikpapan approach cleared the crew direct to Samarinda Airport (SRI). The enroute part of the flight was uneventful. On approach to Samarinda, the crew was cleared to track direct to left downwind for runway 04. The controller informed them that the wind was 060 degrees at 12 knots. During the final approach for runway 04, the left ECU (Engine Control Unit) light illuminated followed by low oil pressure and torque indications. The captain decided to go around and divert to Balikpapan-Sepingan Airport (BPN) which was 92 km (50 NM) to the South. The flight crew carried out the engine shut-down procedure and commenced a climb to 4000 ft with the left engine inoperative. Approximately 16 Nm from Balikpapan Airport, while climbing through 3,800 feet, the right ECU light illuminated, immediately followed by low oil pressure and low torque indications. The right engine then failed. The crew broadcast a MAYDAY to Balikpapan Approach and decided to conduct a forced landing into a clear field in the Samboja area, about 16 Nm from the Balikpapan Airport.

Probable Cause:

CAUSES: "The both engine were lack of fuel before flame out, it was indicated the fuel management was out of control during flight that might be a misleading of fuel quantity indication. The proper analysis could not be carried out due to both
FDR and CVR were un-operated." [sic]

Accident investigation:
cover
Investigating agency: NTSC Indonesia
Status: Investigation completed
Duration: 3 years
Accident number: KNKT.10.02.04.04
Download report: Final report


Sicherheitsempfehlungen

NTSC issued 8 Safety Recommendations

Show all AD's and Safety Recommendations

Fotos

photo of ATR-42-300 PK-YRP
photo of ATR-42-300 PK-YRP
photo of ATR-42-300 PK-YRP
photo of ATR-42-300 PK-YRP
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Tanjung Redep/Berau-Kalimaru Airport to Samarinda Airport as the crow flies is 294 km (184 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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