About: 2016 Bell 525 Relentless prototype crash

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The 2016 Bell 525 Relentless prototype crash occurred during a test flight on July 6, 2016 near Italy, Texas, destroying the prototype Bell 525 Relentless helicopter and killing the two occupants. The helicopter broke up in flight while traveling about 229 mph (199 kn) at an altitude of about 2,000 feet (610 m); the main rotor contacted and severed the tail boom due to severe vertical oscillations. The crew were performing one engine inoperative (OEI) recovery testing; the test induced a scissors-mode vibration in the main rotor, which resulted in involuntary collective control input. The unintended biomechanical feedback loop exacerbated the vibration, until the rotor contacted the tail-boom.

Attributes	Values
rdf:type	geo:SpatialThing
rdfs:label	2016 Bell 525 Relentless prototype crash (en)
rdfs:comment	The 2016 Bell 525 Relentless prototype crash occurred during a test flight on July 6, 2016 near Italy, Texas, destroying the prototype Bell 525 Relentless helicopter and killing the two occupants. The helicopter broke up in flight while traveling about 229 mph (199 kn) at an altitude of about 2,000 feet (610 m); the main rotor contacted and severed the tail boom due to severe vertical oscillations. The crew were performing one engine inoperative (OEI) recovery testing; the test induced a scissors-mode vibration in the main rotor, which resulted in involuntary collective control input. The unintended biomechanical feedback loop exacerbated the vibration, until the rotor contacted the tail-boom. (en)
name	2016 (xsd:integer)
geo:lat	32.244301 (xsd:float)
geo:long	-96.913002 (xsd:float)
foaf:depiction
dcterms:subject	Accidents and incidents involving helicopters Aviation accidents and incidents in Texas 2016 in Texas Aircraft first flown in 2016 Aviation accidents and incidents in 2016 January 2016 events in the United States
Wikipage page ID	62952795 (xsd:integer)
Wikipage revision ID	1035858358 (xsd:integer)
Link from a Wikipage to another Wikipage	List of accidents and incidents involving helicopters Bell 525 Relentless Bell Aircraft True airspeed Cockpit voice recorder Accidents and incidents involving helicopters Helicopter flight controls Aviation accidents and incidents in Texas Flight data recorder Flight Test Safety Committee Standard gravity 2016 in Texas Aircraft first flown in 2016 Aviation accidents and incidents in 2016 January 2016 events in the United States Italy, Texas Arlington Municipal Airport (Texas) Central Daylight Time National Transportation Safety Board Type certification Main rotor
sameAs	2016 Bell 525 Relentless prototype crash 2016 Bell 525 Relentless prototype crash
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thumbnail	wiki-commons:Special:FilePath/525_GKY_(31495047476).jpg?width=300
alt	A red helicopter in flight, with the tail number N525TA. This was the initial prototype Bell 525 Relentless. (en)
caption	N525TA in 2015 (en)
crew	2 (xsd:integer)
date	2016-07-06 (xsd:date)
fatalities	2 (xsd:integer)
image upright	1.200000 (xsd:double)
operator	Bell Aircraft
origin	Arlington Municipal Airport (Texas)
passengers	0 (xsd:integer)
site	Italy, Texas, US (en)
summary	In-flight breakup (en)
georss:point	32.2443 -96.913
destination	Arlington Municipal Airport (en)
aircraft type	Bell 525 Relentless
occupants	2 (xsd:integer)
occurrence type	Accident (en)
survivors	0 (xsd:integer)
tail number	N525TA (en)
has abstract	The 2016 Bell 525 Relentless prototype crash occurred during a test flight on July 6, 2016 near Italy, Texas, destroying the prototype Bell 525 Relentless helicopter and killing the two occupants. The helicopter broke up in flight while traveling about 229 mph (199 kn) at an altitude of about 2,000 feet (610 m); the main rotor contacted and severed the tail boom due to severe vertical oscillations. The crew were performing one engine inoperative (OEI) recovery testing; the test induced a scissors-mode vibration in the main rotor, which resulted in involuntary collective control input. The unintended biomechanical feedback loop exacerbated the vibration, until the rotor contacted the tail-boom. The destruction of the prototype delayed type certification of the Bell 525 for a year and a filter was added to the collective input control to avoid recurrence of the biomechanical feedback. (en)
prov:wasDerivedFrom	wikipedia-en:2016_Bell_525_Relentless_prototype_crash?oldid=1035858358&ns=0
page length (characters) of wiki page	12498 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:2016_Bell_525_Relentless_prototype_crash
geo:geometry	POINT(-96.91300201416 32.244300842285)
is Link from a Wikipage to another Wikipage of	Bell 525 Relentless crash
is Wikipage redirect of	Bell 525 Relentless crash
is foaf:primaryTopic of	wikipedia-en:2016_Bell_525_Relentless_prototype_crash

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