ASN Wikibase Occurrence # 78917
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| Date: | Thursday 28 October 2010 |
| Time: | 09:50 LT |
| Type: |  Aérospatiale AS 355F2 Ecureuil II |
| Owner/operator: | Police Service of Northern Ireland |
| Registration: | G-SEWP |
| MSN: | 5480 |
| Year of manufacture: | 1991 |
| Engine model: | Allison 250-C20F |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Shanlieve Hill, Mourne Mountains, Northern Ireland -
 United Kingdom
|
| Phase: | Landing |
| Nature: | Aerial patrol |
| Departure airport: | Belfast International Airport (BFS/EGAA) |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot lost control of the helicopter whilst manoeuvring at low speed to approach a hilltop landing site in quite strong wind conditions. It descended rapidly with increasing forward ground speed, before striking the ground short of the point of intended landing and passing through a substantial stone wall. The helicopter was destroyed but the occupants suffered only minor injuries. The investigation determined that an error of judgement or perception led the pilot to attempt a downwind approach. A combination of human factors was thought to have contributed to the accident
The helicopter was engaged on a task for the Police Service of Northern Ireland (PSNI), ferrying personnel and equipment to and from the site of a helicopter accident which had occurred 5 days earlier, on 23 October 2010. The site was in the Mourne Mountains, near to the top of the 626 m (2,054 ft) amsl Shanlieve hill. A PSNI control point, from where passengers embarked for the ferry flights, had been established in a valley about 3 km from the site.
Accident investigation:
 |
|
Sources:
1. AAIB: https://assets.publishing.service.gov.uk/media/5422f987ed915d1374000755/AS355F2_Twin_Squirrel__G-SEWP_06-11.pdf
2. CAA: https://siteapps.caa.co.uk/g-info/
3. http://www.bbc.co.uk/news/uk-northern-ireland-11644029
4. http://www.ukemergencyaviation.co.uk/G-SEWP.htm
5. http://www.irishtimes.com/newspaper/breaking/2010/1028/breaking35.html
6. https://www.belfasttelegraph.co.uk/news/northern-ireland/northern-ireland-police-helicopter-crashes-in-mourne-mountains-28567398.html
7. http://helihub.com/2010/10/28/28-oct-10-g-sewp-eurocopter-as355f2-hilltown-uk/
8. https://www.breakingnews.ie/ireland/police-helicopter-overturns-at-crash-site-479481.html
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2010 06:56 | saf7670 | Added |
| 28-Oct-2010 09:05 | John Baker | Updated [Aircraft type, Total occupants, Country, Phase, Source, Narrative] |
| 28-Oct-2010 09:10 | lanzaferg | Updated [Other fatalities, Source] |
| 28-Oct-2010 11:26 | TB | Updated [Aircraft type, Registration, Cn, Operator, Damage] |
| 29-Oct-2010 15:02 | John Baker | Updated [Aircraft type, Registration, Cn, Source] |
| 30-Oct-2010 03:03 | TB | Updated [Time, Aircraft type, Nature] |
| 16-Sep-2012 15:39 | Dr. John Smith | Updated [Time, Location, Phase, Departure airport, Source, Embed code, Narrative] |
| 14-Oct-2012 15:56 | Dr. John Smith | Updated [Location, Departure airport, Source, Embed code, Narrative] |
| 17-Dec-2014 12:51 | Dr. John Smith | Updated [Source, Narrative] |
| 25-Oct-2015 11:44 | Aerossurance | Updated [Time, Phase, Source, Damage] |
| 23-May-2016 19:50 | Aerossurance | Updated [Time, Aircraft type, Narrative] |
| 24-Nov-2016 20:25 | Dr.John Smith | Updated [Source] |
Corrections or additions? ... Edit this accident description
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