ASN Wikibase Occurrence # 42673
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Date: | Monday 18 May 1998 |
Time: | 13:51 |
Type: | Bell 206L-1 LongRanger II |
Owner/operator: | Rotors In Motion Corporation |
Registration: | N41BL |
MSN: | 45302 |
Year of manufacture: | 1979 |
Total airframe hrs: | 2287 hours |
Fatalities: | Fatalities: 4 / Occupants: 4 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | 311 South Fernandez Street, Arlington Heights , Illinois -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Executive |
Departure airport: | Waukegan, IllinoIs (UGN/KUGN) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:A witness observed the helicopter fly over his apartment building within 100 feet. He watched the helicopter travel away from the building on a southwesterly heading in a level attitude. The witness estimated the helicopter to be approximately 350 feet above the ground. The witness said he saw the helicopter begin a slow banked turn to the left toward a southerly heading. The helicopter banked through 30 degrees up to 90 degrees, then it pitched down and descended in a 70 to 80 degree nose-down pitch angle. The witness lost sight of the helicopter when it descended below the tree tops. Another witness in the same building said that as the helicopter was going to the west, it was getting closer to the tree tops. The witness said that the helicopter 'banked real hard [to the] south, so that the [main rotor] blades were perpendicular to the ground. The helicopter went straight down in a dive, nose first.' The witness said that the helicopter was only 15 feet above the tree tops when it dove in. At 1351 CDT, the Chicago Northwest Central Dispatch System received a 9-1-1 call that a helicopter had crashed into a residence at 311 South Fernandez Street, Arlington Heights, Illinois.
Examination of the wreckage revealed no anomalies. The results of FAA toxicology testing of specimens from the pilot revealed 0.007 (ug/ml, ug/g) chlorpheniramine detected in urine.
CAUSE: Loss of helicopter control for unknown reasons. Registration N41BL cancelled by the FAA July 21 1998
Sources:
1. NTSB CHI98FA159 at
https://www.ntsb.gov/_layouts/ntsb.aviation/brief2.aspx?_ev_id=20001211X09996&ntsbno=CHI98FA159&akey=1 2.
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=41BL 3.
http://www.bellhelicopter.com/MungoBlobs/925/478/destroyed.pdf 4.
https://www.flightglobal.com/pdfarchive/view/1999/1999 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
12-Apr-2015 13:31 |
Dr. John Smith |
Updated [Time, Operator, Location, Departure airport, Source, Narrative] |
21-Dec-2016 19:24 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
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