ASN Wikibase Occurrence # 224647
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| Date: | Sunday 6 August 2017 |
| Time: | 18:45 |
| Type: |  Airbus A320-232 |
| Owner/operator: | Jetstar Airways |
| Registration: | VH-VGY |
| MSN: | 4177 |
| Year of manufacture: | 2010 |
| Engine model: | IAE V2527-A5 |
| Fatalities: | Fatalities: 0 / Occupants: 134 |
| Aircraft damage: | None |
| Category: | Incident |
| Location: | near Christchurch, Canterbury -
 New Zealand
|
| Phase: | Approach |
| Nature: | Passenger - Scheduled |
| Departure airport: | Wellington International Airport (WLG/NZWN) |
| Christchurch International Airport (CHC/NZCH) | |
| Investigating agency: | TAIC |
| Confidence Rating: |  Accident investigation report completed and information captured |
At about 1845 on 6 August 2017, an Airbus A320 aeroplane was approaching Christchurch with 128 passengers and six crew on board. During the arrival procedure the aeroplane inadvertently descended below the 2,500-foot (760-metre) minimum safe altitude for part of the arrival procedure.
The infringement was noticed by the air traffic controller at the time, but the flight crew was not advised until the aeroplane had landed. The aeroplane landed safely.
The Transport Accident Investigation Commission (TAIC NZ) found that the aeroplane descended below a published minimum safe altitude for a segment of the arrival procedure, because the flight crew did not maintain adequate situational awareness of their aeroplane’s location in relation to the standard arrival route.
The Commission also found that the operator’s procedures did not encourage the appropriate use of the aeroplane’s automated navigation systems, and that by electing to use an ‘open descent’ procedure rather than the available, fully automated ‘managed descent’ mode, and not setting the flight control unit to the next altitude restriction, a higher level of human intervention was required to keep the aeroplane within permissible limits on the arrival route.
The Commission also found that the air traffic controller observed the aeroplane’s descent below the minimum safe altitude, but did not follow the required procedures and alert the flight crew until the aeroplane had landed.
Accident investigation:
 |
|
Sources:
TAIC
History of this aircraft
Other occurrences involving this aircraft
| 28 October 2017 | VH-VGY | Jetstar Airways | 0 | Auckland Airport, Auckland | |
min |
Images:
TAIC NZ
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-May-2019 18:20 | harro | Added |
| 02-May-2019 18:22 | harro | Updated [Photo] |
| 16-Feb-2022 20:23 | Ron Averes | Updated [Location] |
Corrections or additions? ... Edit this accident description
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