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Accident description
Last updated: 18 August 2017
Status:Preliminary
Date:Thursday 3 August 2017
Time:11:00
Type:Silhouette image of generic AT75 model; specific model in this crash may look slightly different
ATR 72-500 (72-212A)
Operator:Wings Air
Registration: PK-WFF
C/n / msn: 869
First flight: 2009-07-16 (8 years )
Engines: 2 Pratt & Whitney Canada PW127M
Crew:Fatalities: 0 / Occupants:
Passengers:Fatalities: 0 / Occupants:
Total:Fatalities: 0 / Occupants: 66
Airplane damage: Substantial
Location:Medan-Kualanamu International Airport (KNO) (   Indonesia)
Phase: Unknown (UNK)
Nature:Domestic Scheduled Passenger
Departure airport:Medan-Kualanamu International Airport (KNO/WIMM), Indonesia
Destination airport:Meulaboh-Cut Nyak Dhien Airport (MEQ/WITC), Indonesia
Flightnumber:IW1252
Narrative:
An ATR 72-500 operated by Wings Air as flight IW1252 (PK-WFF) and a Boeing 737-900 operated by Lion Air as flight JT197 (PK-LJZ) both sustained substantial damage in a ground collision accident at Medan-Kualanamu International Airport, Indonesia.
The Boeing 737 landed on runway 23 at 04:00 UTC. At the same time, the ATR-72 was lining up runway 23 from taxiway D.
The outer leading edge of the left hand wing of the Boeing 737 impacted the right hand wing of the ATR-72, causing the outer portion of the wing, almost up to the first flap fairing, to be entirely sheared off.

Probable Cause:

A Boeing 737-900ER aircraft registration PK-LJZ on a scheduled flight as flight JT-197 from WITT during landing roll on runway 23 of WIMM collided with an ATR72-500 aircraft registration PK-WFF that was lining up runway 23 from taxiway D.

Sources:
» Kumparan.com

METAR Weather report:
03:30 UTC / 10:30 local time:
WIMM 030330Z 08005KT 030V120 9000 BKN018 30/26 Q1010

04:00 UTC / 11:00 local time:
WIMM 030400Z 11007KT 040V140 9999 BKN018 30/25 Q1010

04:30 UTC / 11:30 local time:
WIMM 030430Z 06007KT 040V100 9999 BKN018 31/26 Q1009


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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 Medan-Kualanamu International Airport to Meulaboh-Cut Nyak Dhien Airport as the crow flies is 302 km (189 miles).

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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