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ASN Wikibase Occurrence # 203039
Last updated: 15 December 2018
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Date:02-DEC-2017
Time:14:12 LT
Type:Silhouette image of generic CN35 model; specific model in this crash may look slightly different
CASA CN-235M-100M
Owner/operator:Papua New Guinea Defence Force
Registration: P2-0502
C/n / msn: C-049
Fatalities:Fatalities: 0 / Occupants: 32
Other fatalities:0
Aircraft damage: None
Category:Serious incident
Location:Goroka Airport (GKA/AYGA) -   Papua New Guinea
Phase: Landing
Nature:Military
Departure airport:Port Moresby-Jacksons International Airport (POM/AYPY)
Destination airport:Goroka Airport (GKA/AYGA)
Investigating agency: AIC PNG
Narrative:
A Casa CN235-100M, owned and operated by the Papua New Guinea Defence Force, landed on a closed runway, 35L, at Goroka Airport, PNG. The aircraft then turned and backtracked along the same runway before exiting via a closed taxiway onto the active runway (35 Right), and then onto the apron. According to the crew, they became aware of the construction works on the runway, during final approach, but due to communication issues with the Goroka Tower Controller, they continued on final to land on runway 35L. The crew then back-tracked to exit via a closed taxiway.
The crew stated, during interviews with the AIC, that there was no pre-flight briefing conducted, and that they were not aware of the active Notice to Airmen (NOTAM), which was available, at no cost, on the National Aeronautical Information Processing System (NAIPS) internet service, and had been issued over a year before the occurrence. The NOTAM declares runway 35L, Goroka Airport, closed due to major runway pavement rehabilitation work in progress.


During the investigation, the AIC noticed a serious safety deficiency, and although not contributory to this occurrence, poses an imminent risk of an accident or a serious incident.
The aircraft sustained an engine failure on 13 July 2016 during a flight from Telefomin to Vanimo, Sundaun Province, necessitating the removal of the right engine Propeller Gearbox (PGB) at the Vanimo Aerodrome.
A replacement PGB was fitted to the right engine to enable the aircraft to be ferried to Port Moresby for further repairs.
The investigation has found that the replacement PGB had been placed in storage 7 years before the incident. Storage preservation requirements confirmed in a written statement from the Original Equipment Manufacturer (OEM) state that a PGB in storage for more than 36 months, must be sent to a PGB Original Equipment Manufacturer’s facility for inspection.
This was not carried out, and the PGB fitted in 2016 remained on the aircraft until the December 2017 runway incident.

Sources:

https://www.loopnauru-sb.com/png-news/investigation-%e2%80%98goroka-landing%e2%80%99-launched-70782
http://www.aic.gov.pg/pdf/PreRpts/AIC%2017-2002%20P2-502.pdf


Revision history:

Date/timeContributorUpdates
17-Dec-2017 09:25 Petropavlovsk Added
17-Dec-2017 09:27 harro Updated [Aircraft type, Registration, Cn, Total fatalities, Other fatalities]
20-Dec-2017 11:03 harro Updated [Time, Aircraft type, Total occupants, Location, Departure airport, Destination airport, Source, Narrative]
20-Dec-2017 13:22 harro Updated [Time, Narrative]
20-Dec-2017 20:52 GeoffR Updated [Narrative]

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