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UA Unmanned aircraft Bezpilotní letadlo
UAB Until advised by … Až do obdržení pokynů od …
UAC Upper area control centre Oblastní středisko řízení horního vzdušného prostoru
UAR Upper air route Horní trať letových provozních služeb
UAS Unmanned aircraft system Bezpilotní systém
UDF Ultra high frequency direction-finding station Zaměřovací stanice pracující na ultrakrátkých vlnách
UFN Until further notice Až do odvolání
UHDT Unable higher due traffic Nemožno výše z provozních důvodů
UHF Ultra high frequency (300 to 3 000 MHz) Ultrakrátké vlny (300 až 3 000 MHz)
UIC Upper information centre Letové informační středisko pro horní vzdušný prostor
UIR Upper flight information region Horní letová informační oblast
ULR Ultra long range Ultra daleký dosah/dolet
UNA Unable Nemožnost, neschopnost
UNAP Unable to approve Nemožnost schválit, povolit, potvrdit
UNL Unlimited Neomezený
UNREL Unreliable Nespolehlivý
UP Unidentified precipitation (used in automated METAR/SPECI) Neidentifikované srážky (používá se v automatických METAR/SPECI)
U/S Unserviceable Mimo provoz
UTA Upper control area Horní řízená oblast
UTC Coordinated Universal Time Světový koordinovaný čas
U Upward (tendency in RVR during previous 10 minutes) Vzestupná (tendence RVR v průběhu posledních 10 minut)
Created by: VencaDanek
Popular Aviation sets




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