ASN Wikibase Occurrence # 229799
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| Date: | Monday 7 October 2019 |
| Time: | 11:28 LT |
| Type: |  Pacific Aerospace 750XL |
| Owner/operator: | Air Sanga |
| Registration: | P2-ASZ |
| MSN: | 179XL |
| Fatalities: | Fatalities: 0 / Occupants: 7 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Efogi Airstrip (AYEF) -
 Papua New Guinea
|
| Phase: | Landing |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Port Moresby-Jacksons International Airport (POM/AYPY) |
| Efogi Airport (EFG/AYEF) | |
| Investigating agency: | AIC PNG |
| Confidence Rating: |  Accident investigation report completed and information captured |
The PAC 750XL aircraft, registered P2-ASZ, owned and operated by Air Sanga Limited, was involved in a landing accident subsequent to touchdown at the Efogi Airstrip, PNG
The aircraft departed Jacksons International Airport at 11:10 on a VFR charter flight to Efogi with six passengers onboard. The flight was a VFR charter flight transporting six passengers and cargo.
According to the pilot, when he arrived at Efogi, the weather was fine with patches of cloud around the area but clear of his approach path. During the final approach, he encountered tailwind and several downdraughts. He subsequently increased airspeed and maintained his approach profile. Upon touchdown, the aircraft reportedly lifted back off the ground.
The aircraft remained airborne and travelled about 50 m above the airstrip before the nosewheel impacted a soft opposing face of a depression in the ground. The aircraft bounced as the nosewheel separated from the strut. As the aircraft returned to the ground the propeller blades struck the ground and the nose landing gear strut collapsed. The aircraft scraped on its bare nose for about 10 meters before eventually coming to rest.
The aircraft came to a complete stop less than 100 m from its touchdown point with its nose and cargo pod resting on the ground.
All the passengers and pilot evacuated without injuries.
Causes [Contributing factors]
During the final approach into Efogi strip 17, the pilot encountered tailwind, gusts and downdraughts.
The pilot increased the reference airspeed from 75 to 80 kt resulting in a groundspeed of about 90 kt.
Due to the combinational effects of downdraughts and the tailwind gust, the aircraft could not get into a proper landing attitude and lifted back off the ground.
The pilot applied reverse thrust upon touchdown, transferring the weight on wheels from the main landing gear towards the nose landing gear.
The aircraft nose-dived into a soft patch/depression on the upslope of the airstrip. The impact forces concurrently separated the nosewheel from the nose gear assembly.
The fork separated when the four bolts holding the fork to the oleo strut snapped. The bolts snapped due to the combined forces of weight and significant momentum acting through it on impact with the steep inclination of the depression.
Propeller damage was caused and resulted when the nose collapsed towards the ground with reverse powerpresent.
The oleo strut separated from the firewall when the lower section impacted the ground.
Accident investigation:
 |
|
Sources:
Radio news and NOTAM service
https://www.pprune.org/pacific-general-aviation-questions/626163-efogi-png-disabled-aircraft.html
http://www.aic.gov.pg/pdf/PreRpts/AIC%2019-1004%20P2-ASZ.pdf
Images:
Photo: AIC PNG
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Oct-2019 05:33 | Petropavlovsk | Added |
| 08-Oct-2019 11:08 | gerard57 | Updated [Source] |
| 08-Oct-2019 11:09 | gerard57 | Updated [Source] |
| 11-Oct-2019 07:18 | Petropavlovsk | Updated [Aircraft type, Registration, Cn, Operator, Damage, Narrative] |
| 11-Oct-2019 16:54 | RobertMB | Updated [Cn, Location, Departure airport, Destination airport, Narrative] |
| 12-Oct-2019 06:00 | Petropavlovsk | Updated [Cn, Departure airport, Destination airport] |
| 27-Oct-2019 20:08 | harro | Updated [Date, Time, Total occupants, Nature, Departure airport, Destination airport, Source, Narrative, Photo] |
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