ASN Wikibase Occurrence # 16350
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| Date: | Thursday 20 March 2008 |
| Time: | |
| Type: |  Agusta A109E Power Elite |
| Owner/operator: | Premier Aviation |
| Registration: | EI-SBM |
| MSN: | 11174 |
| Year of manufacture: | 2004 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Location: | Lagore, 2 miles N of Dunshaughlin, County Meath -
 Ireland
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Knocksedan |
| Dunshaughlin | |
| Investigating agency: | AAIU |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
The helicopter was operating a flight from Celtic Heliport, Knocksedan, Co. Dublin to Weston Airport, Co. Kildare. While en route, approaching Dunshaughlin, the pilot advised ATC that he was 'experiencing some difficulty' and then, almost immediately afterwards, reported that he would have to make an emergency landing and declared a 'MAYDAY'. This was his last transmission to ATC.
The helicopter subsequently 'crash landed' on soft boggy ground just east of Dunshaughlin and rolled over on its left side, sustaining substantial damaged. The accident happened in daylight (1542L) and in VMC.
The pilot later reported that, while in normal cruise flight, he had heard a loud bang from the rear of the helicopter and then lost directional control as it began to turn uncontrollably to starboard. He initiated an autorotation, shut down the two engines and lowered the undercarriage prior to touchdown.
An initial inspection found a foreign object in the tail rotor driveshaft tunnel. This object, of cloth material, was entangled in the tail rotor driveshaft, between the first and second bearings. The driveshaft had failed just forward of the second bearing, which resulted in the drive to the tail rotor being disconnected. Initial indications are that the foreign object was causal to the shaft failure.
The material was found to be a cleaning cloth which is believed to have been left in the space between the No.1 and No.2 Hanger Assemblies at some time; however, how and when this happened was not determined.
Accident investigation:
 |
|
Sources:
http://www.aaiu.ie/upload/general/10490-0.pdf
http://www.4ni.co.uk/uk-national-news/27779/bbc-crew-injured-in-helicopter-crash
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2008 23:40 | Fusko | Added |
| 17-May-2008 10:57 | Fusko | Updated |
| 27-Jan-2010 10:13 | Alpine Flight | Updated [Aircraft type, Nature, Source] |
| 27-Jan-2010 10:13 | Alpine Flight | Updated [Aircraft type, Nature, Source] |
| 17-Aug-2010 16:13 | TB | Updated [Aircraft type] |
| 25-Jan-2013 03:06 | TB | Updated [Aircraft type, Location, Source, Narrative] |
| 04-Sep-2016 19:07 | Dr.John Smith | Updated [Location, Narrative] |
Corrections or additions? ... Edit this accident description
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