Why Don't All Planes Leave Smoke Trails?

Ever wonder why some planes leave trails of smoke and others don't? Is it just that certain commercial jetliners are trying out some geometric skywriting while others can't be bothered? Actually, the answer is much more complicated.

Topics:  smoke   trails   planes leave   
ASK NEWS:
  • Arts: New art to view at CCA - Abilene Reporter
    Her installation piece, "Honey, Smoke and Gold ... floor, Katy Presswood's show, "Flat Planes and ... story behind the photograph is and leave it ...
    02/4/2016 - 11:05 am | View Link
  • Department of Defense Press Briefing by Gen. MacFarland via ... - United States Department of Defense
    ... you know, area around them is going up in smoke. ... And so I'm -- I'm just going to leave it right ... A couple of planes have landed, ...
    02/1/2016 - 7:40 am | View Link
  • February 01, 1991: US Air Boeing 737 crashes - Gulf News
    ... scattered round the wreckage and smoke covered ... suspended for the night because both planes were ... a football match in Egypt’s Port ...
    01/31/2016 - 3:43 pm | View Link
  • February 01, 1991: US Air Boeing 737 crashes at Los Angeles - Gulf News
    ... scattered round the wreckage and smoke covered ... suspended for the night because both planes were ... a football match in Egypt’s Port ...
    01/31/2016 - 7:35 am | View Link
  • Come to My Window Office - Slate Magazine
    DaVinci Roofscapes® Introduces Slate Tiles With Enhanced Profile ... - WorldNetDaily
    01/27/2016 - 3:19 pm | View Link
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BING NEWS:
  • Two planes evacuated at Dallas airport, three injured
    Hydraulic fluid leaked into the auxiliary power unit causing smoke in the cabin of American Airlines Flight 1658 to Chicago, which caused the 141 passengers and five crew members to leave the airplane by emergency slides and exits, according to the airline.
    07/30/2015 - 8:29 am | View Link
  • Planes cancelled and delayed due to smoke in Vancouver harbour
    A number of Vancouver-based airlines are experiencing reroutes or cancellations Monday morning due to the low visibility in the region caused by smoke from B.C.’s growing ... All flights scheduled to leave Vancouver have now been rerouted to the South ...
    07/6/2015 - 6:37 am | View Link
  • Tullamarine Airport: Smoke alarm briefly closes air traffic control tower, planes left circling
    A smoke alarm caused an evacuation at air traffic control at Melbourne Airport. AIR traffic controllers at Tullamarine Airport had to leave their tower for about 10 minutes after a smoke alarm was activated. An Air Services Australia spokesman said the ...
    11/5/2014 - 9:37 pm | View Link
  • New planes could have helped firefighters locate Waldo Canyon fire before it grew
    On the searing-hot morning of June 23, 2012, Chris Como and his wife were hiking on Waldo Canyon trail when they ... in the area could find no sign of smoke and decided to call off the search. "We're going to leave this in Forest Service hands," fire ...
    08/17/2014 - 6:00 pm | View Link
  • Water-bombing planes offer new hope
    Because of impending plane water bombing everyone in the areas of Västerfärnebo, Hästbäck, Ängelsberg and Virsbo have been urged to leave the area immediately ... but the heavy smoke from the fire delayed take-off. There was not enough visibility ...
    08/5/2014 - 10:34 pm | View Link
  • NTSB chief urges child-safety seats on planes
    Deborah Hersman, chair of the National Transportation Safety Board, will leave the post to become the president and ... who died of asphyxiation from the smoke. Brown has lobbied for 25 years to require child-safety seats for children on planes, but ...
    04/22/2014 - 3:13 am | View Link
  • E-cigarettes on planes: legal grey area left up to carriers
    "But that's a huge job." What do you think about people being able to smoke e-cigarettes on aircraft? Leave your thoughts in the comment section below or tweet us @CBCCalgary.
    01/17/2014 - 7:59 pm | View Link
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BING SEARCH:
  • why is the planes leaving white smoke in the sky ...
    I come from south africa and i have never seen planes leaving white smoke in the air!!! can anyone tell me why that happens???
    02/5/2016 - 10:36 am | View Website
  • Why Don't All Planes Leave Smoke Trails? | Mental Floss
    Ever wonder why some planes leave trails of smoke and others don't? Is it just that certain commercial jetliners are trying out some geometric skywriting ...
    02/4/2016 - 1:05 am | View Website
  • Why do some planes leave long trails ...
    Some planes in the sky leave trails that persist and spread, and other planes, in the same sky, leave short-lived trails, or no trails at all.
    02/3/2016 - 10:34 pm | View Website
  • Why does an aircraft leave a white smoke trail
    Why does an aircraft leave a white smoke trail? ... The temp is already -20 and when planes take off they leave a contrail right there on the ground.
    01/31/2016 - 6:46 am | View Website
  • jet
    Why does an aircraft leave a white smoke trail? current community. blog chat. Aviation ... Why don't big commercial planes have full aircraft parachutes? 9
    01/31/2016 - 5:56 am | View Website
  • Why do planes leave smoke trails? | Puzzled Parent
    by puzzledparent. This is one of the first questions I can remember my son asking me which took me by surprise. At age 3 he was and is still (approaching 5 ...
    01/29/2016 - 4:32 am | View Website
  • ELI5: Why do some planes leave a trail of white "smoke ...
    It's not smoke, it's water vapor. They're called contrails. Their formation is most often triggered by the water vapor in the exhaust of aircraft engines ...
    08/6/2015 - 6:59 am | View Website
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