So far in our Elite Status Series, weâve covered American, Delta and Southwest. Today, TPG contributor Jason Steele takes us through the basics of United Premier Silver status â how you can qualify for it and maximize the benefits once you earn it. Unless you have a last-minute mileage run planned, itâs probably too late to worry about achieving status during the 2013 calendar year.
backfire - a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path fire - the event of something burning (often destructive); they lost everything in the fire
For other meanings of the term, see backfire (disambiguation). A back-fire or backfire is combustion or an explosion produced by a running internal combustion engine that occurs in the air intake or exhaust system rather than inside the combustion chamber.nburned fuel or hydrocarbons that are ignited in the exhaust system can produce loud sounds even if flames are not present at the tailpipe. A visible flame may momentarily shoot out of the exhaust pipe where the exhaust system is shortened. Fire may also travel into the air intake piping.