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| Date: | Wednesday 15 May 2024 |
| Time: | 12:36 LT |
| Type: |  Sikorsky S-58ET |
| Owner/operator: | Zimmer Air Services Inc |
| Registration: | C-GFXP |
| MSN: | 58378 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 5681 hours |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial, written off |
| Category: | Accident |
| Location: | Burlington Executive Airport (CZBA), Burlington, ON -
 Canada
|
| Phase: | Taxi |
| Nature: | Training |
| Departure airport: | Burlington Executive, ON (CZBA) |
| Burlington Executive, ON (CZBA) | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
A Zimmer Air Services Inc. Sikorsky S-58T wheel equipped helicopter was conducting training with two pilots on board. The aircraft was being taxied on an inactive runway and when making a left turn at 25% power the right wheel hit a grass mound in the middle of the runway and bounce up. The sas system was out of adjustment and allowed the wheel bounce to trigger a up pitch tone one blade that hit the tail and broke off. The vibrarations shock the aircraft apart annd it bounced odd the onto the grass. At this time the aircraft began to oscillate and almost instantly went into a state of ground resonance, at which time one of the blades contacted the tail boom and then another contacted the ground. One of the aircrafts struts also broke, causing the aircraft to roll onto its right side and sustained substantial damage. Both occupants exited the helicopter safely, one received minor injuries.
Sources:
https://www.miltontoday.ca/local-news/breaking-news-helicopter-crash-at-burlington-airpark-shuts-down-runways-8750732
https://www.cbc.ca/lite/story/1.7205912
https://www.mclarens.com/auctions/1973-sikorski-s-58et-c-gfxp-s-n-378/
https://wwwapps.tc.gc.ca/saf-sec-sur/2/ccarcs-riacc/ADet.aspx?id=529599&rfr=RchSimp.aspx
https://imgproc.airliners.net/photos/airliners/5/5/8/4745855.jpg (photo)
History of this aircraft
Ex N6VY, N1153U, French Air Force: SKY378
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-May-2024 04:37 | gerard57 | Added |
| 17-May-2024 05:25 | ASN | Updated [Aircraft type, Location, Destination airport, ] |
| 17-May-2024 05:28 | ASN | Updated [Aircraft type, Registration, Cn, Operator, Source, ] |
| 17-May-2024 06:09 | RobertMB | Updated [Time, Operator, Location, Departure airport, Source, Narrative, Category, ] |
| 05-Jun-2024 18:06 | ASN | Updated [Phase, Narrative, ] |
| 16-Sep-2024 07:14 | Anon. | Updated [Narrative, ] |
| 14-Nov-2024 19:38 | ASN | Updated [Source, ] |
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