Sriwijaya B733 at Manokwari on May 31st 2017, overran runway on landing, nose gear collapsed

Last Update: October 19, 2017 / 14:31:55 GMT/Zulu time

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Incident Facts

Date of incident
May 31, 2017

Classification
Accident

Airline
Sriwijaya

Flight number
SJ-570

Aircraft Registration
PK-CJC

Aircraft Type
Boeing 737-300

ICAO Type Designator
B733

A Sriwijaya Boeing 737-300, registration PK-CJC performing flight SJ-570 from Sorong to Manokwari (Indonesia) with 146 passengers and 6 crew, landed on Manokwari's runway 35 in rain at about 09:10L (00:10Z) and overran the end of the runway coming to a stop with the nose gear collapsed about 30 meters past the end of the runway on soft ground. The occupants were evacuated. 17 passengers received minor injuries as resut of the evacuation, the aircraft substained substantial damage.

The airline reported the aircraft landed in heavy rain but was unable to stop before the end of the runway. The occurrence is being investigated by Indonesia's KNKT (NTSC).

The airport was closed for about 9 hours until the aircraft was removed from the runway.

Indonesia's Ministry of Transport reported the aircraft overran the end of the runway while landing in rain at 09:10L (00:10Z). The runway was wet due to the rain. The winds were calm, visibility was 6000 meters at the time of landing. The landing was normal, however, the aircraft skidded off the runway during roll out.

No Metars are available, the local weather station reported about 10 minutes prior to the occurrence: winds from west at 2 knots, light rain, visibility 5000 meters, QNH 1012 hPa, temperature 26 degrees C, dew point 25 degrees C.

Manokwari offers a runway 17/35 of 2000 meters/6560 feet length.

On Oct 19th 2017 Indonesia's NTSC released their preliminary report stating that the first officer (42, ATPL, 5,570 hours total, 2,523 hours on type) was pilot flying, the captain (49, ATPL, 13,371 hours total, 3,110 hours on type) was pilot monitoring.

Upon contacting tower of Manokwari in visual meteorologic conditions tower report the winds were calm, visibility at 6000 meters/3.3nm, a few clouds (CBs) at 1400 feet, temperature 26 degrees C and dew point at 25 degrees C. ATC instructed the crew to maintain VMC, fly overhead, descend to circuit altitude and join a right downwind for runway 35, the crew was instructed to report overhead Manokwari.

When the crew reported overhead Manokwari tower reported the visibility had reduced to 5000 meters/2.7nm.

When the aircraft was descending through 600 feet the captain took control of the aircraft, the first officer confirmed "you have control". The captain subsequently reported to tower they were on final to runway 35 and reported the runway in sight, tower cleared the aircraft to land on runway 35 reporting winds were calm and the runway was wet. Descending through 550 feet the captain instructed the first officer to turn on the screen wipers. Between 500 and 200 feet AGL the EGPWS sounded aural warnings "Sink Rate" and "Pull Up!" The aircraft touched down on runway 35, the spoilers deployed and the captain engaged the thrust reversers, the crew however did not feel any significant deceleration. The aircraft overran the end of the runway and came to a stop about 20 meters past the end of the paved surface. The captain immediately initiated an emergency evacuation. Tower at the same time activated the crash bell to alert emergency services.

17 passengers received minor injuries as result of the evacuation. The aircraft sustained substantial damage to the nose landing gear, nose section lower fuselage and both engine fan blades.

The NTSC reported the following day the runway was examined, standing water of about 2-5 square meters was found on the runway in several areas due to runway curvature. Several runway edge lights were covered by grass about 30-40cm high.

The NTSC reported that surveillance cameras showed water splash when the accident aircraft landed and rolled on runway 35.

White tyre marks were found on the runway along the aircraft's trajectory. Reverted rubber marks were found on the main gear tyres.

The NTSC found: "The weather conditions during aircraft approach and landing was slight rain with cumulonimbus viewed nearby the airport, wind was calm and runway was wet."
Incident Facts

Date of incident
May 31, 2017

Classification
Accident

Airline
Sriwijaya

Flight number
SJ-570

Aircraft Registration
PK-CJC

Aircraft Type
Boeing 737-300

ICAO Type Designator
B733

This article is published under license from Avherald.com. © of text by Avherald.com.
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