| 词条 | Blue ice (aviation) |
| 释义 |
Blue ice, in the context of aviation, is frozen sewage material that has leaked mid-flight from commercial aircraft lavatory waste systems. It is a mixture of human biowaste and liquid disinfectant that freezes at high altitude. The name comes from the blue color of the disinfectant. Airlines are not allowed to dump their waste tanks in mid-flight, and pilots have no mechanism by which to do so; however, leaks sometimes do occur. Danger of ground impactThere were at least 27 documented incidents of blue ice impacts in the United States between 1979 and 2003.[1] These incidents typically happen under airport landing paths as the mass warms sufficiently to detach from the plane during its descent. A rare incident of falling blue ice causing damage to the roof of a home was reported on October 20, 2006 in Chino, California.[2] A similar incident was reported in Leicester, UK, in 2007.[3] In 1971, a chunk of ice from an aircraft tore a large hole in the roof of the Essex Street Chapel in Kensington, London, and was one trigger for the demolition of the building.[4] In November 2011 a chunk of ice, the size of an orange, broke through the roof of a private house in Ratingen-Hösel, Germany.{{cn|date=June 2014}} In February 2013 a "football sized" ball of blue ice smashed through a conservatory roof in Clanfield, Hampshire causing around £10,000 worth of damage.[5] In October 2016 a chunk of ice tore a hole in a private house in Amstelveen, The Netherlands.[6] In May 2018, there were two incidents where chunks of blue ice fell onto residents in Kelowna, British Columbia. [7] In November 2018, there was an incident where a chunk of ice fell from the sky and crashed through the roof of a home in Bristol, England. [8] Danger to aircraftBlue ice can also be dangerous to the aircraft itself; the National Transportation Safety Board has recorded three very similar incidents where waste from lavatories caused damage to the leaking aircraft.[9][10][11] All involved Boeing 727s, and in all cases waste from a leaking lavatory hit one of the engines, mounted at the rear of the aircraft, causing a power loss.[9][10][11] The flights made safe emergency landings with the two remaining engines. Nobody was injured. Only one report specifically mentions ice,[10] while another mentions "soft body FOD" (foreign object damage),[11] indicating that the damage was caused by a relative soft object like ice or a bird and not a metallic object or a stone. In popular cultureBlue ice became known to many people from the 2003 Season 3 Finale of the HBO series Six Feet Under, in which a foot-sized chunk drops on a bystander. A similar incident occurs in the 1996 television series Early Edition episode “Frostbite” when the main character saves a man from being crushed by a chunk of blue ice. It was also mentioned in The Big Bang Theory. This also happened in an episode of NY. The title of the 1992 film Blue Ice is a reference to the phenomenon.[12] The 2001 film Joe Dirt finds the title character (played by David Spade) proudly displaying a large chunk of "blue ice" which he has mistaken for a meteorite, and the topic has also been covered on the TV show MANswers. Blue ice was also featured in an episode of the television series MythBusters. Blue ice is a cause of death in season 4 of 1000 Ways to Die. References1. ^{{cite news |first=Jondi |last=Gumz |title=Another mysterious chunk of blue ice hits |url=http://www.santacruzsentinel.com/archive/2003/February/12/local/stories/02local.htm |work=Santa Cruz Sentinel |date=February 12, 2003 |accessdate=2007-01-04 |quote=The Living in Everyday Earth Web site reports there have been at least 27 documented blue-ice incidents nationally in the past 24 years. |deadurl=yes |archiveurl=https://web.archive.org/web/20080224055312/http://www.santacruzsentinel.com/archive/2003/February/12/local/stories/02local.htm |archivedate=2008-02-24 |df= }} 2. ^{{cite news | agency = Associated Press | authorlink = Associated Press | title = Toilet ice rips hole in couple's roof | url = http://www.foxnews.com/printer_friendly_wires/2006Oct20/0,4675,AircraftToiletIce,00.html | work = Fox News | date = October 21, 2006 | accessdate = 2011-01-05}} 3. ^{{cite web |url=http://www.bbc.co.uk/leicester/content/articles/2007/06/14/falling_frozen_pee_feature.shtml |title=Frozen Pee Anyone? |date=June 7, 2014 |accessdate=2017-07-26 |website=BBC }} 4. ^Essex Church in Kensington 1887-1987: History of a Unitarian Cause p25, by Raymond Williams {{webarchive|url=https://web.archive.org/web/20110517092455/http://www.kensington-unitarians.org.uk/history.html |date=2011-05-17 }} 5. ^ {{cite web |url=https://www.bbc.co.uk/news/uk-england-hampshire-21420034 |title='Football-sized' ice smashes home |website=BBC News |date=February 11, 2013 |accessdate=2017-07-26 }} 6. ^{{Cite news|url=http://nos.nl/artikel/2140719-meteoriet-blijkt-drol-uit-vliegtuig.html|title=Meteoriet blijkt drol uit vliegtuig|access-date=2016-10-31}} 7. ^{{cite web|url=https://www.ctvnews.ca/mobile/canada/i-m-covered-in-poo-transport-canada-investigating-feces-falling-from-sky-1.3956501|date=June 2, 2018| accessdate=2018-06-03|title='I'm covered in poo': Transport Canada investigating feces falling from sky}} 8. ^{{cite web|url=https://www.bbc.co.uk/news/uk-england-bristol-46127798|date=November 7, 2018| accessdate=2018-11-07|title=Block of ice crashes through roof of house in Bristol}} 9. ^1 {{cite web |url=http://www.ntsb.gov/aviationquery/brief.aspx?ev_id=68127&key=0 |title=April 30, 1974 Incident |publisher=NTSB |accessdate=2011-04-16}} 10. ^1 2 {{cite web |url=http://dms.ntsb.gov/aviation/AccidentReports/psmcd545ucfdhx45e1a0z3uv/W04162011120000.pdf |title=April 16, 1985 Incident |publisher=NTSB |accessdate=2011-04-16 }}{{dead link|date=July 2017 |bot=InternetArchiveBot |fix-attempted=yes }} 11. ^1 2 {{cite web |url=http://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20001212X22451&key=1 |title=January 04, 1990 Incident |publisher=NTSB |accessdate=2011-04-16}} 12. ^{{cite web |url = http://www.variety.com/review/VE1117900145.html?categoryid=31&cs=1 |title = Blue Ice Review |accessdate = 2009-03-26 |author = Derek Elley |date = October 14, 1992 |work = Variety}} External links
| author = Mark Belko | title = The sky is falling? Uh, not exactly | url = http://www.post-gazette.com/neigh_north/20021121blueicenp3.asp | work = Pittsburgh Post-Gazette | date = November 21, 2002 | accessdate = 2007-01-04 }}
| title = Frozen Jetliner Waste Smashes Into Home | url = http://www.upi.com/Top_News/2008/04/14/Frozen-jetliner-waste-smashes-into-home/UPI-22651208188965/ | work = United Press International | date = April 14, 2008 }}{{DEFAULTSORT:Blue Ice (Aircraft)}} 3 : Aircraft operations|Biological waste|Pollution |
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