Accident Cirrus SR22 VH-HYY, 05 Feb 2007
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ASN Wikibase Occurrence # 1045
 
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Date:05-FEB-2007
Time:16:16 ESuT
Type:Silhouette image of generic SR22 model; specific model in this crash may look slightly different    
Cirrus SR22
Owner/operator:Private
Registration: VH-HYY
MSN: 0928
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:near M7 Freeway, Cecil Park, NSW -   Australia
Phase: Approach
Nature:Private
Departure airport:Canberra, ACT (CBR/YSCB)
Destination airport:Bankstown, Sydney, NSW (BWU/YSBK)
Investigating agency: ATSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
On 5 February 2007, a Cirrus SR22 aircraft, registered VH-HYY, with a pilot and one passenger, was being operated on a private flight from Canberra, ACT, to Bankstown NSW. As the aircraft approached the Cecil Park area, the pilot reported to air traffic control that the engine had lost power and that he was attempting a forced landing. Soon after, the aircraft impacted terrain close to the M7 freeway in Cecil Park and both occupants sustained serious injuries.

The ATSB investigation determined that the engine stopped due to the in-flight loss of a blanking cap from the un-metered fuel pressure test port in the engine fuel system. Testing showed that the engine would not operate with the cap missing.

The investigation determined that, instead of the normal steel cap, a plastic blanking cap had probably been fitted to the test port on the engine during maintenance and had been inadvertently left there, and that the plastic cap had detached from the test port just prior to the accident.
Prior to impact, the pilot activated the Cirrus Airframe Parachute System (CAPS - deployment #11), but the system malfunctioned and the parachute did not deploy correctly.

Following examination of the CAPS components from this aircraft and further functional testing of production CAPS components in the US, the aircraft manufacturer issued an Alert Service Bulletin incorporating design changes to the CAPS in the worldwide fleet of Cirrus aircraft.

The aircraft and engine manufacturers are also making a number of other changes to their processes and procedures based on lessons learnt from this accident.

Sources:

1. http://www.atsb.gov.au/media/24480/AO-2007-018.pdf
2. https://www.cirruspilots.org/copa/safety_programs/w/safety_pages/723.cirrus-caps-history.aspx
3. https://www.pprune.org/pacific-general-aviation-questions/262901-how-many-aircraft-went-down-nsw.html
4. http://www.atsb.gov.au/publications/investigation_reports/2007/aair/ao-2007-018.aspx

Accident investigation:
cover
  
Investigating agency: ATSB
Status: Investigation completed
Duration:
Download report: Final report


Revision history:

Date/timeContributorUpdates
26-Jan-2008 23:13 Andrew Whitton Added
25-May-2011 04:15 Anon. Updated [Source]
04-May-2014 20:51 Dr. John Smith Updated [Operator, Location, Departure airport, Destination airport, Source, Narrative]
08-Jul-2016 17:44 Cirruspilot Updated [Source]

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