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ED Decision 2023/012/R
found in: Unmanned Aircraft Systems (2019/947 and 2019/945) Part-UAS (Jul 2024)
ED Decision 2025/018/R
found in: Unmanned Aircraft Systems (Jun 2026)
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# List of Abbreviations ED Decision 2023/012/R <table border="0" cellpadding="0" cellspacing="0" width="605"><tr><td valign="top" width="112"><p>AEC</p></td><td valign="top" width="493"><p>airspace encounter category</p></td></tr><tr><td valign="top" width="112"><p>AEH</p></td><td valign="top" width="493"><p>airborne electronic hardware</p></td></tr><tr><td valign="top" width="112"><p>AGL</p></td><td valign="top" width="493"><p>above ground level</p></td></tr><tr><td valign="top" width="112"><p>AIP</p></td><td valign="top" width="493"><p>aeronautical information publication</p></td></tr><tr><td valign="top" width="112"><p>AMC</p></td><td valign="top" width="493"><p>acceptable means of compliance</p></td></tr><tr><td valign="top" width="112"><p>ANSP</p></td><td valign="top" width="493"><p>air navigation service provider</p></td></tr><tr><td valign="top" width="112"><p>AO</p></td><td valign="top" width="493"><p>airspace observer</p></td></tr><tr><td valign="top" width="112"><p>ARC</p></td><td valign="top" width="493"><p>air risk class</p></td></tr><tr><td valign="top" width="112"><p>ATC</p></td><td valign="top" width="493"><p>air traffic control</p></td></tr><tr><td valign="top" width="112"><p>BVLOS</p></td><td valign="top" width="493"><p>beyond visual line of sight</p></td></tr><tr><td valign="top" width="112"><p>C2</p></td><td valign="top" width="493"><p>command and control </p></td></tr><tr><td valign="top" width="112"><p>C3</p></td><td valign="top" width="493"><p>command, control and communication</p></td></tr><tr><td valign="top" width="112"><p>ConOps</p></td><td valign="top" width="493"><p>concept of operations</p></td></tr><tr><td valign="top" width="112"><p>CRM</p></td><td valign="top" width="493"><p>crew resource management</p></td></tr><tr><td valign="top" width="112"><p>DAA</p></td><td valign="top" width="493"><p>detect and avoid</p></td></tr><tr><td valign="top" width="112"><p>DSSS</p></td><td valign="top" width="493"><p>direct-sequence spread spectrum</p></td></tr><tr><td valign="top" width="112"><p>DVR</p></td><td valign="top" width="493"><p>Design verification report</p></td></tr><tr><td valign="top" width="112"><p>EASA</p></td><td valign="top" width="493"><p>European Union Aviation Safety Agency</p></td></tr><tr><td valign="top" width="112"><p>ERM</p></td><td valign="top" width="493"><p>emergency response manager</p></td></tr><tr><td valign="top" width="112"><p>ERP</p></td><td valign="top" width="493"><p>emergency response plan</p></td></tr><tr><td valign="top" width="112"><p>ERT</p></td><td valign="top" width="493"><p>emergency response team</p></td></tr><tr><td valign="top" width="112"><p>EU</p></td><td valign="top" width="493"><p>European Union</p></td></tr><tr><td valign="top" width="112"><p>EVLOS</p></td><td valign="top" width="493"><p>extended visual line of sight</p></td></tr><tr><td valign="top" width="112"><p>FHSS</p></td><td valign="top" width="493"><p>frequency-hopping spread spectrum</p></td></tr><tr><td valign="top" width="112"><p>FTD</p></td><td valign="top" width="493"><p>flight training device</p></td></tr><tr><td valign="top" width="112"><p>GDOP</p></td><td valign="top" width="493"><p>geometric dilution of precision</p></td></tr><tr><td valign="top" width="112"><p>GM</p></td><td valign="top" width="493"><p>guidance material </p></td></tr><tr><td valign="top" width="112"><p>GNSS</p></td><td valign="top" width="493"><p>Global Navigation Satellite System</p></td></tr><tr><td valign="top" width="112"><p>GRC</p></td><td valign="top" width="493"><p>ground risk class</p></td></tr><tr><td valign="top" width="112"><p>HMI</p></td><td valign="top" width="493"><p>human machine interface</p></td></tr><tr><td valign="top" width="112"><p>ICAO</p></td><td valign="top" width="493"><p>International Civil Aviation Organization</p></td></tr><tr><td valign="top" width="112"><p>ISM</p></td><td valign="top" width="493"><p>industrial, scientific and medical</p></td></tr><tr><td valign="top" width="112"><p>JARUS</p></td><td valign="top" width="493"><p>Joint Authorities for Rulemaking on Unmanned Systems</p></td></tr><tr><td valign="top" width="112"><p>LACA</p></td><td valign="top" width="493"><p>low-altitude controlled airspace (below 150 m (500 ft))</p></td></tr><tr><td valign="top" width="112"><p>MCC</p></td><td valign="top" width="493"><p>multi-crew cooperation</p></td></tr><tr><td valign="top" width="112"><p>METAR</p></td><td valign="top" width="493"><p>aviation routine weather report (in (aeronautical) meteorological code)</p></td></tr><tr><td valign="top" width="112"><p>MS</p></td><td valign="top" width="493"><p>Member State</p></td></tr><tr><td valign="top" width="112"><p>MTOM</p></td><td valign="top" width="493"><p>maximum take-off mass</p></td></tr><tr><td valign="top" width="112"><p>NAA</p></td><td valign="top" width="493"><p>national aviation authority</p></td></tr><tr><td valign="top" width="112"><p>OFDM</p></td><td valign="top" width="493"><p>orthogonal frequency-division multiplexing</p></td></tr><tr><td valign="top" width="112"><p>OM</p></td><td valign="top" width="493"><p>operations manual</p></td></tr><tr><td valign="top" width="112"><p>OSO</p></td><td valign="top" width="493"><p>operational safety objective</p></td></tr><tr><td valign="top" width="112"><p>PDOP</p></td><td valign="top" width="493"><p>position dilution of precision</p></td></tr><tr><td valign="top" width="112"><p>PDRA</p></td><td valign="top" width="493"><p>predefined risk assessment</p></td></tr><tr><td valign="top" width="112"><p>RBO</p></td><td valign="top" width="493"><p>risk-based oversight</p></td></tr><tr><td valign="top" width="112"><p>RCP</p></td><td valign="top" width="493"><p>required communication performance</p></td></tr><tr><td valign="top" width="112"><p>RF</p></td><td valign="top" width="493"><p>radio frequency</p></td></tr><tr><td valign="top" width="112"><p>RLP</p></td><td valign="top" width="493"><p>required C2 link performance</p></td></tr><tr><td valign="top" width="112"><p>RP</p></td><td valign="top" width="493"><p>remote pilot</p></td></tr><tr><td valign="top" width="112"><p>RPS</p></td><td valign="top" width="493"><p>remote pilot station</p></td></tr><tr><td valign="top" width="112"><p>SAIL</p></td><td valign="top" width="493"><p>specific assurance and integrity level</p></td></tr><tr><td valign="top" width="112"><p>SDS</p></td><td valign="top" width="493"><p>safety data sheets</p></td></tr><tr><td valign="top" width="112"><p>SMM</p></td><td valign="top" width="493"><p>safety management manual</p></td></tr><tr><td valign="top" width="112"><p>SORA</p></td><td valign="top" width="493"><p>specific operations risk assessment</p></td></tr><tr><td valign="top" width="112"><p>SPECI</p></td><td valign="top" width="493"><p>aviation selected special weather code in (aeronautical) meteorological code</p></td></tr><tr><td valign="top" width="112"><p>STS</p></td><td valign="top" width="493"><p>standard scenario</p></td></tr><tr><td valign="top" width="112"><p>SW</p></td><td valign="top" width="493"><p>software</p></td></tr><tr><td valign="top" width="112"><p>TAF</p></td><td valign="top" width="493"><p>terminal area forecast</p></td></tr><tr><td valign="top" width="112"><p>TCAS</p></td><td valign="top" width="493"><p>traffic collision avoidance system </p></td></tr><tr><td valign="top" width="112"><p>TMPR</p></td><td valign="top" width="493"><p>tactical mitigation performance requirement</p></td></tr><tr><td valign="top" width="112"><p>TOM</p></td><td valign="top" width="493"><p>take-off mass</p></td></tr><tr><td valign="top" width="112"><p>UA</p></td><td valign="top" width="493"><p>unmanned aircraft</p></td></tr><tr><td valign="top" width="112"><p>UAS</p></td><td valign="top" width="493"><p>unmanned aircraft system</p></td></tr><tr><td valign="top" width="112"><p>UAS Regulation</p></td><td valign="top" width="493"><p>Commission Implementing Regulation (EU) 2019/947 of 24 May 2019 on the rules and procedures for the operation of unmanned aircraft</p></td></tr><tr><td valign="top" width="112"><p>USSP</p></td><td valign="top" width="493"><p>U-space service provider</p></td></tr><tr><td valign="top" width="112"><p>VLL</p></td><td valign="top" width="493"><p>very low level</p></td></tr><tr><td valign="top" width="112"><p>VLOS</p></td><td valign="top" width="493"><p>visual line of sight</p></td></tr><tr><td valign="top" width="112"><p>VO</p></td><td valign="top" width="493"><p>visual observer</p></td></tr></table>
# List of Abbreviations *ED Decision 2025/018/R* <table cellpadding="7" cellspacing="0"> <col/> <col/> <tr valign="top"> <td><p align="left"> AEC</p> </td> <td><p align="left"> airspace encounter category</p> </td> </tr> <tr valign="top"> <td><p align="left"> AEH</p> </td> <td><p align="left"> airborne electronic hardware</p> </td> </tr> <tr valign="top"> <td><p align="left"> AGL</p> </td> <td><p align="left"> above ground level</p> </td> </tr> <tr valign="top"> <td><p align="left"> AIP</p> </td> <td><p align="left"> aeronautical information publication</p> </td> </tr> <tr valign="top"> <td><p align="left"> AMC</p> </td> <td><p align="left"> acceptable means of compliance</p> </td> </tr> <tr valign="top"> <td><p align="left"> ANSP</p> </td> <td><p align="left"> air navigation service provider</p> </td> </tr> <tr valign="top"> <td><p align="left"> AO</p> </td> <td><p align="left"> airspace observer</p> </td> </tr> <tr valign="top"> <td><p align="left"> ARC</p> </td> <td><p align="left"> air risk class</p> </td> </tr> <tr valign="top"> <td><p align="left"> ATC</p> </td> <td><p align="left"> air traffic control</p> </td> </tr> <tr valign="top"> <td><p align="left"> ATZ</p> </td> <td><p align="left"> aerodrome traffic zone</p> </td> </tr> <tr valign="top"> <td><p align="left"> BVLOS</p> </td> <td><p align="left"> beyond visual line of sight</p> </td> </tr> <tr valign="top"> <td><p align="left"> C2</p> </td> <td><p align="left"> command and control </p> </td> </tr> <tr valign="top"> <td><p align="left"> C3</p> </td> <td><p align="left"> command, control and communication</p> </td> </tr> <tr valign="top"> <td><p align="left"> CAA</p> </td> <td><p align="left"> civil aviation authority</p> </td> </tr> <tr valign="top"> <td><p align="left"> ConOps</p> </td> <td><p align="left"> concept of operations</p> </td> </tr> <tr valign="top"> <td><p align="left"> COTS</p> </td> <td><p align="left"> commercial off-the-shelf</p> </td> </tr> <tr valign="top"> <td><p align="left"> CRM</p> </td> <td><p align="left"> crew resource management</p> </td> </tr> <tr valign="top"> <td><p align="left"> CSP</p> </td> <td><p align="left"> comprehensive safety portfolio</p> </td> </tr> <tr valign="top"> <td><p align="left"> CTA</p> </td> <td><p align="left"> controlled aerospace</p> </td> </tr> <tr valign="top"> <td><p align="left"> CTR</p> </td> <td><p align="left"> controlled traffic region</p> </td> </tr> <tr valign="top"> <td><p align="left"> DAA</p> </td> <td><p align="left"> detect and avoid</p> </td> </tr> <tr valign="top"> <td><p align="left"> DSSS</p> </td> <td><p align="left"> direct-sequence spread spectrum</p> </td> </tr> <tr valign="top"> <td><p align="left"> DVR</p> </td> <td><p align="left"> design verification report</p> </td> </tr> <tr valign="top"> <td><p align="left"> EASA</p> </td> <td><p align="left"> European Union Aviation Safety Agency</p> </td> </tr> <tr valign="top"> <td><p align="left"> ERM</p> </td> <td><p align="left"> emergency response manager</p> </td> </tr> <tr valign="top"> <td><p align="left"> ERP</p> </td> <td><p align="left"> emergency response plan</p> </td> </tr> <tr valign="top"> <td><p align="left"> ERT</p> </td> <td><p align="left"> emergency response team</p> </td> </tr> <tr valign="top"> <td><p align="left"> EU</p> </td> <td><p align="left"> European Union</p> </td> </tr> <tr valign="top"> <td><p align="left"> EVLOS</p> </td> <td><p align="left"> extended visual line of sight</p> </td> </tr> <tr valign="top"> <td><p align="left"> FHSS</p> </td> <td><p align="left"> frequency-hopping spread spectrum</p> </td> </tr> <tr valign="top"> <td><p align="left"> FIZ</p> </td> <td><p align="left"> flight information zone</p> </td> </tr> <tr valign="top"> <td><p align="left"> FTB</p> </td> <td><p align="left"> functional test-based</p> </td> </tr> <tr valign="top"> <td><p align="left"> FTD</p> </td> <td><p align="left"> flight training device</p> </td> </tr> <tr valign="top"> <td><p align="left"> FTS</p> </td> <td><p align="left"> flight termination system</p> </td> </tr> <tr valign="top"> <td><p align="left"> GDOP</p> </td> <td><p align="left"> geometric dilution of precision</p> </td> </tr> <tr valign="top"> <td><p align="left"> GM</p> </td> <td><p align="left"> guidance material </p> </td> </tr> <tr valign="top"> <td><p align="left"> GNSS</p> </td> <td><p align="left"> Global Navigation Satellite System</p> </td> </tr> <tr valign="top"> <td><p align="left"> GRC</p> </td> <td><p align="left"> ground risk class</p> </td> </tr> <tr valign="top"> <td><p align="left"> HF</p> </td> <td><p align="left"> human factors</p> </td> </tr> <tr valign="top"> <td><p align="left"> HMI</p> </td> <td><p align="left"> human machine interface</p> </td> </tr> <tr valign="top"> <td><p align="left"> iARC</p> </td> <td><p align="left"> initial air risk class</p> </td> </tr> <tr valign="top"> <td><p align="left"> ICAO</p> </td> <td><p align="left"> International Civil Aviation Organization</p> </td> </tr> <tr valign="top"> <td><p align="left"> iGRC</p> </td> <td><p align="left"> intrinsic ground risk class</p> </td> </tr> <tr valign="top"> <td><p align="left"> ISM</p> </td> <td><p align="left"> industrial, scientific and medical</p> </td> </tr> <tr valign="top"> <td><p align="left"> JARUS</p> </td> <td><p align="left"> Joint Authorities for Rulemaking on Unmanned Systems</p> </td> </tr> <tr valign="top"> <td><p align="left"> LACA</p> </td> <td><p align="left"> low-altitude controlled airspace (below 150 m (500 ft))</p> </td> </tr> <tr valign="top"> <td><p align="left"> MCC</p> </td> <td><p align="left"> multi-crew cooperation</p> </td> </tr> <tr valign="top"> <td><p align="left"> METAR</p> </td> <td><p align="left"> aviation routine weather report (in (aeronautical) meteorological code)</p> </td> </tr> <tr valign="top"> <td><p align="left"> MS</p> </td> <td><p align="left"> Member State</p> </td> </tr> <tr valign="top"> <td><p align="left"> MSO</p> </td> <td><p align="left"> multiple simultaneous operations</p> </td> </tr> <tr valign="top"> <td><p align="left"> MTOM</p> </td> <td><p align="left"> maximum take-off mass</p> </td> </tr> <tr valign="top"> <td><p align="left"> NAA</p> </td> <td><p align="left"> national aviation authority</p> </td> </tr> <tr valign="top"> <td><p align="left"> OFDM</p> </td> <td><p align="left"> orthogonal frequency-division multiplexing</p> </td> </tr> <tr valign="top"> <td><p align="left"> OM</p> </td> <td><p align="left"> operations manual</p> </td> </tr> <tr valign="top"> <td><p align="left"> OSO</p> </td> <td><p align="left"> operational safety objective</p> </td> </tr> <tr valign="top"> <td><p align="left"> PDOP</p> </td> <td><p align="left"> position dilution of precision</p> </td> </tr> <tr valign="top"> <td><p align="left"> PDRA</p> </td> <td><p align="left"> predefined risk assessment</p> </td> </tr> <tr valign="top"> <td><p align="left"> RBO</p> </td> <td><p align="left"> risk-based oversight</p> </td> </tr> <tr valign="top"> <td><p align="left"> RCM</p> </td> <td><p align="left"> remote crew member</p> </td> </tr> <tr valign="top"> <td><p align="left"> RCP</p> </td> <td><p align="left"> required communication performance</p> </td> </tr> <tr valign="top"> <td><p align="left"> RF</p> </td> <td><p align="left"> radio frequency</p> </td> </tr> <tr valign="top"> <td><p align="left"> RLP</p> </td> <td><p align="left"> required C2 link performance</p> </td> </tr> <tr valign="top"> <td><p align="left"> RMZ</p> </td> <td><p align="left"> radio mandatory zone</p> </td> </tr> <tr valign="top"> <td><p align="left"> RP</p> </td> <td><p align="left"> remote pilot</p> </td> </tr> <tr valign="top"> <td><p align="left"> RPS</p> </td> <td><p align="left"> remote pilot station</p> </td> </tr> <tr valign="top"> <td><p align="left"> SAIL</p> </td> <td><p align="left"> specific assurance and integrity level</p> </td> </tr> <tr valign="top"> <td><p align="left"> SDS</p> </td> <td><p align="left"> safety data sheets</p> </td> </tr> <tr valign="top"> <td><p align="left"> SLA</p> </td> <td><p align="left"> service level agreement</p> </td> </tr> <tr valign="top"> <td><p align="left"> SMM</p> </td> <td><p align="left"> safety management manual</p> </td> </tr> <tr valign="top"> <td><p align="left"> SMS</p> </td> <td><p align="left"> safety management system</p> </td> </tr> <tr valign="top"> <td><p align="left"> SORA</p> </td> <td><p align="left"> specific operations risk assessment</p> </td> </tr> <tr valign="top"> <td><p align="left"> SPECI</p> </td> <td><p align="left"> aviation selected special weather code in (aeronautical) meteorological code</p> </td> </tr> <tr valign="top"> <td><p align="left"> STS</p> </td> <td><p align="left"> standard scenario</p> </td> </tr> <tr valign="top"> <td><p align="left"> SW</p> </td> <td><p align="left"> software</p> </td> </tr> <tr valign="top"> <td><p align="left"> S&A</p> </td> <td><p align="left"> see and avoid</p> </td> </tr> <tr valign="top"> <td><p align="left"> TAF</p> </td> <td><p align="left"> terminal area forecast</p> </td> </tr> <tr valign="top"> <td><p align="left"> TCAS</p> </td> <td><p align="left"> traffic collision avoidance system </p> </td> </tr> <tr valign="top"> <td><p align="left"> TLOS</p> </td> <td><p align="left"> target level of safety</p> </td> </tr> <tr valign="top"> <td><p align="left"> TMPR</p> </td> <td><p align="left"> tactical mitigation performance requirement</p> </td> </tr> <tr valign="top"> <td><p align="left"> TMZ</p> </td> <td><p align="left"> transponder mandatory zone</p> </td> </tr> <tr valign="top"> <td><p align="left"> TOM</p> </td> <td><p align="left"> take-off mass</p> </td> </tr> <tr valign="top"> <td><p align="left"> UA</p> </td> <td><p align="left"> unmanned aircraft</p> </td> </tr> <tr valign="top"> <td><p align="left"> UAS</p> </td> <td><p align="left"> unmanned aircraft system</p> </td> </tr> <tr valign="top"> <td><p align="left"> UAS Regulation</p> </td> <td><p align="left"> Commission Implementing Regulation (EU) 2019/947 of 24 May 2019 on the rules and procedures for the operation of unmanned aircraft</p> </td> </tr> <tr valign="top"> <td><p align="left"> USSP</p> </td> <td><p align="left"> U-space service provider</p> </td> </tr> <tr valign="top"> <td><p align="left"> UTM</p> </td> <td><p align="left"> UAS traffic management</p> </td> </tr> <tr valign="top"> <td><p align="left"> VHL</p> </td> <td><p align="left"> very-high-level airspace</p> </td> </tr> <tr valign="top"> <td><p align="left"> VLL</p> </td> <td><p align="left"> very low level</p> </td> </tr> <tr valign="top"> <td><p align="left"> VLOS</p> </td> <td><p align="left"> visual line of sight</p> </td> </tr> <tr valign="top"> <td><p align="left"> VO</p> </td> <td><p align="left"> visual observer</p> </td> </tr> </table>