2. GeneralGeneral From Latin brevis, meaning short Shortened form of a word or phrase Usually, but not always, it consists of a letter or group of letters taken from the word or phrase abbreviation abbr. For example, the word abbreviation can itself be represented by the abbreviation abbr.

3. Aeronautical abbreviations In aviation, there are hundreds of abbreviations List of them can be found in Regulation L 8400 and AIP Their use is very common and occur in, e.g.: Flight plan NOTAM Code ATC messages Plain language meteorological messages Aeronautical charts etc. Their knowledge is necessary!!!

4. ExamplesExamples ATC ATCo MACC APP PAR TWR GCI FIR CTA TMA CTR IFR VFR IMC VMC ARR DEP SID STAR TRA TSA ARO… AD ARP RWY THR APN TWY CWY TORA TODA ASDA… AD R-N EQUIPMENT METEO ILS DME VOR PAR PAPI NDB PSR SSR ALS… WX CLD CAVOK QNH QFE FEW SCT BKN OVC RA SN DR FG MIFG BCFG BASE…

5. ATC ATCo - Air Traffic Controller, MACC - Military Area Control Centre, APP - Approach control office, PAR - Precision Approach Radar, TWR - Aerodrome control tower, GCI – Ground Controlled Interception, FIR - Flight Information Region, CTA - Control area, TMA - Terminal control area, CTR -Control zone, IFR - Instrument Flight Rules, VFR – Visual Flight Rules, IMC – Instrument Meteorological Conditions, VMC – Visual Meteorological Conditions, ARR – Arrival, DEP - Depart / Departure, SID - Standart Instrument Departure, STAR – Standard instrument arrival, TRA – Temporary Reserved Airspace, TSA – Transportation Security Administration, ARO – Air traffic services Reporting Office, …

6. R-N EQUIPMENT ILS – Instrument Landing System, DME – Distance Measuring Equipment, VOR – VHF Omnidirectional Radio range, PAR – Precision Approach Radar, PAPI – Precision Approach Path Indicator, NDB – Non Directional Beacon, PSR – Primary Surveillance Radar, SSR – Secondary Surveillance Radar, ALS – Approach Lighting System, …

7. AD - Aerodrome, ARP – Aerodrome Reference Point / Air Report, RWY – Runway, THR – Threshold, APN – Apron, TWY – Taxiway, CWY – Clearway, TORA - Take-Off Run Available, TODA - Take-Off Distance Available, ASDA – Accelerate Stop Distance Available, … AD

8. WX – Weather, CLD – Cloud, CAVOK - Visibility, cloud and present weather better than prescribed values or conditions, QNH - Altimeter sub-scale setting to obtain elevation when on the ground, QFE - Atmospheric pressure at aerodrome elevation (or at runway threshold), FEW - few clouds (1-2/8), SCT - Scattered clouds (3-4/8), … METEO

9. FLP OF ACFT NOT EQUIPPED WITH OPR SSR TRANSPONDER VIA AWY UZ 34 WILL NOT BE ACCEPTED DURING ACTIVATION OF TEMPORARY RESTRICTED AREA LZ 130. Examples of NOTAMS TWY E CLSD. AVGAS 100LL NOT AVBL. Pojezdová dráha E uzavřena. Letecký benzín není k dispozici. Letové plány letadel, která nejsou vybavena provozuschopným odpovídačem sekundárního radaru, nebudou pro letovou cestu UZ 34 přijaty, je-li aktivován dočasně omezený prostor LZ R 130. CRANE ERECTED APRX 4 300 M IN FRONT OF THR 33 AND 750M WEST OF EXTENDED RCL. DAY AND NIGHT MARKED. Jeřáb vztyčen přibližně 4 300m před prahem dráhy 33 a 750m západně od prodloužené osy dráhy. Označen ve dne i v noci. More examples: http://notam.rlp.cz/ http://en.wikipedia.org/wiki/NOTAM