ASN logo
Accident
Last updated: 20 October 2017
Statuts:Enquête Préliminaire
Date:dimanche 16 août 2015
Heure:14:55
Type/Sous-type:Silhouette image of generic AT43 model; specific model in this crash may look slightly different
ATR 42-300
Compagnie:Trigana Air Service
Immatriculation: PK-YRN
Numéro de série: 102
Année de Fabrication: 1988-05-28 (27 years 3 months)
Heures de vol:50133
Cycles:55663
Moteurs: 2 Pratt & Whitney Canada PW120
Equipage:victimes: 5 / à bord: 5
Passagers:victimes: 49 / à bord: 49
Total:victimes: 54 / à bord: 54
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:16,7 km (10.4 milles) NW of Oksibil Airport (OKL) (   Indonésie)
Élévation des lieux de l'accident: 2530 m (8301 feet) amsl
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Jayapura-Sentani Airport (DJJ/WAJJ), Indonésie
Aéroport de destination:Oksibil Airport (OKL/WAJO), Indonésie
Numéro de vol:IL257
Détails:
The ATR-42 departed Jayapura at 14:22 LT (05:22 UTC) and was expected to arrive at Oksibil at 15:04 LT (06:04 UTC).
At 14:55 the pilot made first contact with Oksibil Aerodrome Flight Information Services (AFIS), reporting cruising at 11500 feet over position Ambisibil. The AFIS controller acknowledged the message and instructed the pilot to report when overhead the airport. The pilot reported that they intended to fly a direct left base leg for runway 11. The Oksibil AFIS officer then told the pilot to continue approach and to call when position on final for runway 11.
There was no further contact with the flight.
The aircraft wreckage was found the next day on a ridge of Tanggo Mountain at approximately 8,300 feet AMSL, about 17 km from the airport.

Accident investigation:
cover
Investigating agency: NTSC Indonesia
Status: Investigation ongoing
Duration: 48 days (2 months)
Accident number: KNKT.15.08.17.04
Download report: Preliminary report

Sources:
» BASARNAS


Opérations de secours

NTSC issued 3 Safety Recommendations

Show all AD's and Safety Recommendations

Photos

photo of ATR 42-300 PK-YRN
photo of ATR 42-300 PK-YRN
photo of ATR 42-300 PK-YRN
final flight path
photo of ATR 42-300 PK-YRN
Trigana's circling approach procedure for runway 11
photo of ATR 42-300 PK-YRN
photo of ATR 42-300 PK-YRN
Add your photo of this accident or aircraft
 

Aircraft history
date registration operator remarks
28 May 1988 F-WWEZ ATR first flight
22 August 1988 F-GFTO ATR new registration
29 September 1988 N421TE Resort Air bought
1 October 1989 N421TE Trans States Airlines transferred
13 December 1990 N421TE Trans States Airlines Incident: Blew 2 tyres after swerving on landing Madison, WI. Cause: Steering differential valve defective.
16 Jun 1997 N421TE Trans States Airlines Incident: Evacuated following left engine fire warning during taxi At St. Louis, MO. Warning was false. Cause: Bleedair duct leak.
8 August 1999 N421TE Trans States Airlines Incident: Diverted to Springfield, IL after left engine was shut down due to "low oil pressure" warning.
23 July 2000 N421TE Trans States Airlines Incident: Emergency landing due to flight control difficulty while in cruise flight. Cause: Failure of aileron trim switch due to foreign material contamination.
5 February 2003 N421TE Trans States Airlines Incident: Emergency diversion to Bloomington, IL after crew saw and smelled smoke.
23 February 2003 N421TE Trans States Airlines Incident: Nose gear axle broke; right wheel separated during taxi at St. Louis, MO.
21 January 2005 PK-YRN Trigana Air Service bought

Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Jayapura-Sentani Airport et Oksibil Airport est de 258 km (161 miles).
Accident location: Exact; as reported in the official accident report.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
languages: languages

Share

ATR-42

  • 422+ built
  • 31ème loss
  • 9ème accident fatal
  • le accident The le plus grave (à ce moment là)
  • le accident The le plus grave (en ce moment)
» safety profile

 Indonésie
  • le accident 14ème le plus grave (à ce moment là)
  • le accident 14ème le plus grave (en ce moment)
» safety profile