Press question mark to learn the rest of the keyboard shortcuts. Close. Modern jet engines do not leave contrails under most conditions. Only those that have has special modifications to produce smoke such as test aircraft and flight demonstration aircraft. Scramjets leave that signature, it's almost synonymous with those trails when they are not almost orbital, they leave nothing when they get to ideal cruise ceiling. Oct 27, 2018. The 2002 paper “US Jet contrail frequency changes: influences of jet aircraft flight activity and atmospheric conditions” by David J. Travis, Andrew M. Carleton, Jeffrey S. Johnson and James Q. DeGrandd reported results of the study of satellite images of contrails left by military jets during the three days when U.S. civilian air traffic was grounded in the wake of the 9/11 attacks. Think about it, what is the use of 5th generation stealth aircraft if its contrails can be seen. Fact: The handful of photos from the 50s showing military jets and prop planes used water injection or internal combustion piston engines or turbojets, not high-bypass turbofans. Sign up for FREE for the biggest new releases, reviews and tech hacks. The military has a large supply of JP0 in your area. Though do not be concerned, the trails are mostly condensation- hence the name "condensation trails". Here and there you will see commercial planes overhead as they leave the area, but they do not leave any contrails. Why do regular flights to Sacramento International Airport NOT leave contrails, and these unmarked white jets flying in any and all directions leave a thick rainbow glistening spreading light grey spray coming out alternative exhaust ports (other than the regular engine exhaust) leave lasting grid like streaks in the sky all day? HIGH BYPASS-TURBOFAN JET ENGINES CANNOT PRODUCE CONTRAILS - because of the high pressure at exhaust due to the front intake fan acting like a propeller! Claim #5: The photos floating around on the internet showing contrails from military jets in the 50's proves that jet engines produce contrails. They have special anti-contrail methods. A panel of 77 atmospheric chemists and … A tried and tested method by NASA is NOT to fly in regions of air that support contrail formation. User account menu. Airliners arent spraying the atmosphere with chemicals, it's simple science behind the vapor particulate that appears following a jet flyover. The word contrail is actually short for condensation, which means that those trails form when the water in the jet exhaust mixes with the cold, wet air in the sky and then condenses into ice crystals to form a type of cirrus cloud; or what we see from the ground as contrails. Major-General Gregory Barlow confirms that Air Force tankers do not perform refuelling missions at contrail-forming altitudes. The aircraft itself must have … Press J to jump to the feed. Many of the other answers are posting pictures of military planes that are not using JP0. Close. Posted by 2 days ago. If an airplane produces black smoke from the engines, that means, the combustion in the flame tube is incomplete. Reply. Military Pilot Films 3 UFOs in Restricted Air Space W72 From His F18 Jet This is the moment a trio of three UFOs were filmed "one UFO right after the other" by a Navy Military Fa18 Pilot, In March of 2019 off the coast of Virginia. Military and civilian aircraft look beyond yes letting go smoke and other 2:19 no 2:20 then so do something healthy being a project that does not communicate 2:24 no substance fumigating 2:26 cec why these clouds mix the saba 2:29 and then separate the substance we breathe street 2:33 min to see if we will see which substances are 2:36 Archived. ALL commercial jets, and large military craft use the HIGH BYPASS-TURBOFAN jet engine. Contrails are composed primarily of water, in the form of ice crystals. Contrails (/ ˈ k ɒ n t r eɪ l z /; short for "condensation trails") or vapor trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several miles above the Earth's surface. It reminds us how awesome aircraft really are and the stuff they can do. That being said, I think contrails are really cool. Proponents of the chemtrail conspiracy theory say that chemtrails can be distinguished from contrails by their long duration, asserting that the chemtrails are those trails left by aircraft that persist for as much as a half-day or transform into cirrus-like clouds. The chemicals that are being released are said to be unknown, because only a few planes in the world can analyze them and they are expensive. Typically they are not that low. Question. It is worth noting that military fighter jets leave no contrails. Why do passenger planes have contrails while military jets do not? Contrails, as the lines are called, are formed when the hot, humid air coming out of the jet exhaust mixes with low vapor pressure in cold temperatures. March 7th was so bad, I almost couldn't function, but I stood outside and watched those four planes go north to south and then east to west, … Jets leave white trails, or contrails, in their wakes for the … The exhaust from a plane's engine is much hotter than the atmosphere. Contrails from a high-altitude jet plane (left) and so-called chemtrails left behind. All Nippon Airways Boeing 787 Dreamliner aircraft as seen flying to Paris CDG airport in France in the blue sky over Europe at 40.000 feet leaving the chemtrails or contrails behind, a vapor condensation formation when seen as a white line behind the overfly airplane. Contrails. BY REUTERS May 19, 2021 Updated: May 19, 2021 TEL AVIV—Israel fired artillery at targets in Lebanon on Wednesday after four rockets were launched toward Israel from … Contrails form due to moisture in the aircraft's exhaust. The smoke you see is the result of unburnt Carbon. The 2002 paper “US Jet contrail frequency changes: influences of jet aircraft flight activity and atmospheric conditions” by David J. Travis, Andrew M. Carleton, Jeffrey S. Johnson and James Q. DeGrandd reported results of the study of satellite images of contrails left by military jets during the three days when U.S. civilian air traffic was grounded in the wake of the 9/11 attacks. How do military jets avoid those? Witnesses have photographed military and unmarked jets who leave these long-lasting trails. Posted by 2 years ago. SUBSCRIBE Invalid email. Not just stealth aircraft, most military aircraft are required to avoid contrails. Contrails. Chemtrailers have said they have tested the soil that these chemtrails have fallen on and have found chemicals. The system has been used operationally in Iraq and Afghanistan. The TURBOFAN is the THRUSTER (almost 90% thrust is from the FAN), not so much the turbine exhaust as what most think! Friday, November 29, 2002; Page A31 The military command responsible for the defense of North American airspace scrambled fighter jets in response to unverified reports of an airborne condensation trail, or contrail, moving from the Caribbean to the United States, defense officials said yesterday.Lt. When it comes to military jet aircraft, they don't want to show you their contrails. U.S. aerospace industry and retired military officials indicated today that a technology like the U.S.-developed “Suter” airborne network attack system developed by BAE Systems and integrated into U.S. unmanned aircraft by L-3 Communications was used by the Israelis. Military "heavies" flying below 30,000 feet should not leave contrails at all. The conditions necessary occur rarely and do not change rapidly. The other day I heard the sound of an aircraft flying high above me and quickly checked FR24, it was a P-8 Poseidon. No, scramjets aren't some conspiracy, it's well known, has been for quite some time, that we've had and do currently use scramjet engine craft. The word "chemtrails" is a knock off of the word "contrails." These planes flying over our area are flying low enough to see they are completely white and appear to be cargo planes of some kind. But Steadham found just the opposite in his study. 14. Contrails are trails of condensation that can be seen in the sky when a jet airplane is traveling at above 30,000 feet altitude. The atmosphere is thin and cold the higher up a plane goes. Actually military fixed aircraft are not capable of producing smoke on command as a default capability just like commercial/private aircraft. The very same science that primary school children learn in the water cycle. As some aircraft fly through the sky, they leave trails of what appears to be smoke. mark A says. This page … 2. Col. Michael Humm, a Pentagon spokesman, said the incident happened Wednesday … Can military jets have anti-contrail devices on board? Up there, almost 6 miles high, the air is thinner and colder -- very cold. 2. Log In Sign Up. The study entitled, “Contrail Science, Its Impact On Climate and Weather Manipulation Programs Conducted By the United States and Its Allies”, seeks to highlight the specific problems associated with contrails emitted by aircraft, the manipulation for defence purposes of some of these by the United States government and the subsequent effect on quality of life.
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