ASN Wikibase Occurrence # 48617
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| Date: | Wednesday 3 December 2008 |
| Time: | 18:05 LT |
| Type: |  Robinson R44 Raven I |
| Owner/operator: | Couvre Planchers Louis-Seize |
| Registration: | C-GSVX |
| MSN: | 1727 |
| Year of manufacture: | 2007 |
| Fatalities: | Fatalities: 2 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Lac Simon, QC -
 Canada
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Sainte-Anne-des-Plaines, QC |
| Lac Simon, QC | |
| Investigating agency: | TSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Robinson R44 Raven crashed into a lake.
The helicopter had departed Sainte-Anne-des-Plaines, Quebec, with the pilot/owner and three passengers on board for a night visual flight rules flight to the pilot's cottage located at Lac Simon, Quebec. The 52-nautical mile trip was uneventful. To establish the helicopter on approach to the lit landing pad positioned in front of the cottage, the pilot turned right onto final approach at an altitude of approximately 150 feet above the lake. On final approach, the helicopter continued the descent and struck the water. All occupants escaped uninjured. One passenger successfully swam approximately 1000 feet to shore, while another was rescued by two persons in a rowboat. The pilot and one passenger were unable to reach the shore and drowned. The helicopter sank in 25 feet of water and was substantially damaged. The occurrence took place at approximately 1805 eastern standard time under dark, night conditions.
Findings as to Causes and Contributing Factors
1. It is likely that the effect of the black hole illusion caused the pilot, in full control of the aircraft, to unknowingly fly the helicopter lower than the intended approach path, causing the helicopter to collide with the surface of the water well before reaching the desired landing area.
2. The helicopter approached the landing pad over water and, after colliding with the lake surface, the occupants had to evacuate in near-freezing water temperature, exposing them to hypothermia.
Accident investigation:
 |
|
Sources:
CADORS Number: 2008Q3195
https://www.ledroit.com/actualites/lhelicoptere-et-les-corps-sont-sortis-de-leau-c6c81a878fb5a9ea32bdecbf5e7789da
https://www.bst-tsb.gc.ca/eng/rapports-reports/aviation/2008/a08q0231/a08q0231.html
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Dec-2008 11:23 | harro | Added |
| 09-Nov-2010 08:08 | Anon. | Updated |
| 28-Jan-2018 11:11 | gerard57 | Updated [Phase, Source] |
| 29-Apr-2023 16:40 | HanayoPlus | Updated [[Phase, Source]] |
| 29-Apr-2023 16:43 | harro | Updated [[[Phase, Source]]] |
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