What is exemption 17347?

Explain the purpose of Exemption 17347? It allows a 121 flight to be dispatched to a destination airport or alternate when the TAF is forecasting below authorized weather minimums at the ETA. [The remarks section of the TAF can forecast weather below authorized weather mins at ETA, eg TEMPO, BECMG,PROB.



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Exemption 3585 allows the dispatcher to release a flight to an airport OR alternate when the TAF indicates, through the conditional statements (TEMPO, PROB, BECMG) that the weather could be below authorized landing minimums at the estimated time of arrival.

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For example, the main body of the forecast may have the visibility at one-half mile, but a TEMPO phrase may show a possible drop to on-quarter mile at the ETA. When this happens, the airlines that have been granted approval to do so can use what is called Exemption 3585.

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It's called the 3-2-1 rule, and it's the easiest way to remember the regulation. To recap, if the weather at your destination isn't at least 3 SM of visibility and 2000' AGL ceilings from 1 hour before to 1 hour after your ETA, you need to file an alternate.

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If either the ceiling or visibility is forecast to be less than 2,000 feet or 3 statute miles during that arrival window, you are required to file an alternate. Also, the destination airport must have at least one instrument approach procedure or an alternate airport will always be required.

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Follow the 21-day rule for last-minute travel Keyes suggests booking your ticket at least 21 days before departure (if possible), since airlines have policies that will substantially raise the price of airfare for trips taking place after that deadline.

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Simply put, EU 261 is a regulation that provides minimum rights for passengers when their flight is delayed, canceled or denied boarding against their will. The regulation establishes specific conditions under which the law applies and sets the assistance and compensation amounts for each situation.

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Airlines can schedule multiple flights with the same flight number on the same day (sometimes on the same route and sometimes on different flight segments). This varies by carrier.

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