ASN Wikibase Occurrence # 19942
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Date: | Saturday 11 September 2004 |
Time: | 12:00 UTC |
Type: | Robinson R44 |
Owner/operator: | HM-Jansson Åkeri AB |
Registration: | SE-JHJ |
MSN: | 1382 |
Year of manufacture: | 2004 |
Fatalities: | Fatalities: 3 / Occupants: 3 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Orremossen, Vättlefjäll, approx 1.5 miles NE of central Gothenburg -
Sweden
|
Phase: | En route |
Nature: | Private |
Departure airport: | Alingsås, Alingsås Municipality, Västra Götaland County, Sweden |
Destination airport: | Göteborg, Västra Götaland County, Sweden |
Investigating agency: | SHK |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:On September 11, 2004, about 12:00 UTC (Universal Coordinated Time), a Robinson R44 helicopter, Swedish registration SE-JHJ, was substantially damaged when it impacted terrain near Vattlefjall, approx 1.5 miles North East of central Gothenburg, Sweden. The pilot and two passengers were fatally injured. No flight plan was on file for the flight, between Alingas, Sweden, and Karna, Sweden. The flight was conducted under Swedish flight regulations.
At about half-past-one the pilot took off from Alingsås for Göteborg. The course was initially directly towards Göteborg at an altitude of approximately 1000 ft above sea level. As he approached Vättlefjäll, north-east of Göteborg where the terrain is hilly and somewhat higher, he started to turn in various directions and to fly in circles. About 16 minutes after takeoff the pilot contacted Säve tower and asked about the weather. He also stated that he was going to attempt to fly through a patch of rainy weather.
A witness who heard the helicopter flying around in the area heard a report about 9 minutes later, whereafter the noise of the helicopter suddenly ceased.
The course of events, the crash site, the helicopter wreckage and the technical investigation indicate that the pilot involuntarily came into cloud and then lost control of the helicopter. The helicopter then entered an uncontrolled state which caused the main rotor, through some form of mastbumping, to strike the forward portion of the helicopter before the latter struck the ground.
The accident was caused by the rapid deterioration of the weather during the flight and the pilot's failure to realise in time that there was thus no possibility to complete the planned flight in view of the weather, terrain, the helicopter's equipment and his own flying experience.
Accident investigation:
|
| |
Investigating agency: | SHK |
Report number: | L-45/04 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
1.
http://www.havkom.se/virtupload/reports/rl2005_26e.pdf (Report RL 2005:26e)
2. NTSB Identification: IAD04WA047 at
https://www.ntsb.gov/_layouts/ntsb.aviation/brief2.aspx?ev_id=20040929X01521&ntsbno=IAD04WA047&akey=1 3.
http://www.nordicrotors.com/SE-JHJ 4.
https://forum.keypublishing.com/forum/modern-military-aviation/75996-helicopters-crash-in-southern-sweden 5.
https://www.havkom.se/en/investigations/civil-luftfart/rl-200526-646-kb-olycka-med-helikoptern-se-jhj-vid-orremossen-i-vaettlefjaell-nordost-om-goeteborg-o-laen-den-11-september-2004 6.
https://en.wikipedia.org/wiki/Alings%C3%A5s Revision history:
Date/time | Contributor | Updates |
25-May-2008 02:29 |
harro |
Added |
20-Oct-2018 21:32 |
Dr.John Smith |
Updated [Time, Location, Departure airport, Destination airport, Source, Narrative] |
12-Apr-2021 19:30 |
harro |
Updated [[Time, Location, Departure airport, Destination airport, Source, Narrative]] |
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