ASN Wikibase Occurrence # 217442
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Date: | Saturday 15 May 2010 |
Time: | 12:30 |
Type: | Robinson R44 Astro |
Owner/operator: | MD Helicopter Services LLC |
Registration: | N570MD |
MSN: | 0192 |
Year of manufacture: | 1995 |
Total airframe hrs: | 2101 hours |
Engine model: | Lycoming O-540-F1B5 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Location: | Baraboo, Sauk County, Wisconsin -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Agricultural |
Departure airport: | Baraboo, Sauk County, Wisconsin |
Destination airport: | Baraboo, Sauk County, Wisconsin |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:Substantially damaged as 12:30 CDT (Central Daylight Time) on May 15 2010 when crashed due to CFIT (Controlled Flight Into Terrain) during agricultural operations (crop spraying/top dressing) at Baraboo, Sauk County, Wisconsin (at approximate coordinates 43'21.944"N, 89'77.0833"W). The pilot - the sole
According to the pilot, he had just departed a gravel road (loading zone) to complete an aerial application to an alfalfa field. Shortly after departure, he executed a right turn and one of the helicopter spray booms contacted a stand of 2-1/2-foot-tall alfalfa. The helicopter then began a descending right spin. Subsequently, the spray boom dragged on the alfalfa, resulting a dynamic rollover. The main rotor blades contacted terrain and the helicopter "cartwheeled" onto its left side. Examination of the helicopter revealed damage to the main rotor blades, tail boom, tail rotor, and fuselage. The pilot recommended the following: "Ensure adequate altitude before initiating turns, and exercise more caution when over tall grass or crops."
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's failure to maintain clearance with crops while maneuvering during aerial application.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CEN10CA251 |
Status: | Investigation completed |
Duration: | 5 months |
Download report: | Final report |
|
Sources:
1. NTSB Accident Number: CEN10CA251 at
https://app.ntsb.gov/pdfgenerator/ReportGeneratorFile.ashx?EventID=20100517X03201&AKey=1&RType=HTML&IType=CA 2. FAA Registry:
https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=N570MD 3.
http://helihub.com/2010/05/15/15-may-10-n-robinson-r44-plain-us-wisconsin/ 4.
https://uk.flightaware.com/resources/registration/N570MD 5.
https://planecrashmap.com/list/wi/ 6.
https://en.wikipedia.org/wiki/Baraboo,_Wisconsin Location
Revision history:
Date/time | Contributor | Updates |
09-Nov-2018 00:54 |
Dr.John Smith |
Added |
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