--- title: "AMC1 ATCO.D.010(a)(2)(v) Composition of initial training – Area control surveillance rating (ACS) training — INITIAL TRAINING CONTENT, ATCO — COMMISSION REGULATION (EU) 2015/340 — extract 10 · Avioverse" description: "SUBJECT 10: ABNORMAL AND EMERGENCY SITUATIONS TOPIC ABES 1 — ABNORMAL AND EMERGENCY SITUATIONS (ABES) Subtopic ABES 1.1 — Overview of ABES ACS ABES 1.1.1…" url: "https://avioverse.aero/regulations/easa/atco/initial-training-content/commission-regulation-eu-2015-340/amc1-atco-d-010-a-2-v-11" --- # AMC1 ATCO.D.010(a)(2)(v) Composition of initial training – Area control surveillance rating (ACS) training INITIAL TRAINING CONTENT · Regulation (EU) 2015/340 · EAR revision 14 Jun 2024 Official sources: [EASA Easy Access Rules (opens in a new tab)](https://www.easa.europa.eu/en/document-library/easy-access-rules/easy-access-rules-air-traffic-controllers-licensing-and) · [EUR-Lex 2015/340 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32015R0340) AMC Acceptable means of compliance ## AMC1 ATCO.D.010(a)(2)(v) Composition of initial training – Area control surveillance rating (ACS) training SUBJECT 10: ABNORMAL AND EMERGENCY SITUATIONS | TOPIC ABES 1 — ABNORMAL AND EMERGENCY SITUATIONS (ABES) | | | | | | ------------------------------------------------------- | ----------------------------------------------------------------------------------------- | - | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------- | | Subtopic ABES 1.1 — Overview of ABES | | | | | | ACS ABES 1.1.1 | List common abnormal and emergency situations. | 1 | Optional content: EATM Guidelines for Controller Training in the Handling of Unusual/Emergency Situations, ambulance flights, ground-based safety nets alerts, airframe failure, unreliable instruments, runway incursion, GNSS failure | ALL | | ACS ABES 1.1.2 | Identify potential or actual abnormal and emergency situations. | 3 | | ALL | | ACS ABES 1.1.3 | Take into account the procedures for given abnormal and emergency situations. | 2 | Optional content: ICAO Doc 4444 | APP ACP APS ACS | | ACS ABES 1.1.4 | Take into account that procedures do not exist for all abnormal and emergency situations. | 2 | Optional content: real-life examples | ALL | | ACS ABES 1.1.5 | Consider how the evolution of a situation may have an impact on safety. | 2 | Optional content: separation, information, coordination | ALL | \[applicable from 4 August 2024 - ED Decision 2023/011/R] | TOPIC ABES 2 — SKILLS IMPROVEMENT | | | | | | ------------------------------------------------ | -------------------------------------------------------------------------------------------------------------------- | - | ---------------------------------------------------------------------------------------------------------------------------------------------------- | --- | | Subtopic ABES 2.1 — Communication effectiveness | | | | | | ACS ABES 2.1.1 | Ensure effective communication in all circumstances including the case where standard phraseology is not applicable. | 4 | Phraseology, vocabulary, readback, radio silence instruction | ALL | | ACS ABES 2.1.2 | Apply change of radiotelephony call sign. | 3 | Regulation (EU) No 923/2012 Optional content: ICAO Doc 4444 | ALL | | Subtopic ABES 2.2 — Avoidance of mental overload | | | | | | ACS ABES 2.2.1 | Describe actions to keep the situation under control. | 2 | Optional content: [sector](https://avioverse.aero/glossary/easa/sector)-splitting, holding, flow management, task delegation | ALL | | ACS ABES 2.2.2 | Organise priority of actions. | 4 | | ALL | | ACS ABES 2.2.3 | Ensure the effective dissemination of information. | 4 | Optional content: between executive and planner/coordinator, with the supervisor, between sectors, between ACC, APP and TWR, with ground staff, etc. | ALL | | ACS ABES 2.2.4 | Consider asking for help. | 2 | | ALL | | Subtopic ABES 2.3 — Air–ground cooperation | | | | | | ACS ABES 2.3.1 | Collect appropriate information relevant to the situation. | 3 | | ALL | | ACS ABES 2.3.2 | Assist the pilot. | 3 | Pilot workload Optional content: instructions, information, support, human factors, etc. | ALL | \[applicable from 4 August 2024 - ED Decision 2023/011/R] | TOPIC ABES 3 — PROCEDURES FOR ABNORMAL AND EMERGENCY SITUATIONS (ABES) | | | | | | ---------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------ | - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------- | | Subtopic ABES 3.1 — Application of procedures for ABES | | | | | | ACS ABES 3.1.1 | Apply the procedures for given abnormal and emergency situations. | 3 | Optional content: EATM Guidelines for Controller Training in the Handling of Unusual/Emergency Situations, ambulance flights, ground-based safety nets alerts, airframe failure | ALL | | Subtopic ABES 3.2 — Radio failure | | | | | | ACS ABES 3.2.1 | Describe the procedures to be followed by a pilot when experiencing complete or partial radio failure. | 2 | Regulation (EU) No 923/2012 Optional content: ICAO Doc 4444, military procedures, [simulator](https://avioverse.aero/glossary/easa/simulator) operation procedures | ALL | | ACS ABES 3.2.2 | Apply the procedures to be followed when a pilot experiences complete or partial radio failure. | 3 | Regulation (EU) No 923/2012 Optional content: prolonged loss of communication | ALL | | Subtopic ABES 3.3 — Unlawful interference and aircraft bomb threat | | | | | | ACS ABES 3.3.1 | Apply ATC procedures associated with unlawful interference and aircraft bomb threat. | 3 | Regulation (EU) No 923/2012 Optional content: simulator operation procedures | ALL | | Subtopic ABES 3.4 — Strayed or unidentified aircraft | | | | | | ACS ABES 3.4.1 | Apply the procedures for strayed aircraft. | 3 | Regulation (EU) No 923/2012 Optional content: inside controlled airspace, outside controlled airspace | ALL | | ACS ABES 3.4.2 | Apply the procedures for unidentified aircraft. | 3 | Regulation (EU) No 923/2012 | ALL | | Subtopic ABES 3.5 — Diversion | | | | | | ACS ABES 3.5.1 | Provide navigational assistance to aircraft diverting in emergency. | 4 | Track/heading, distance, other navigational assistance Optional content: nearest most suitable aerodrome | APP ACP APS ACS | | Subtopic ABES 3.6 — Transponder failure | | | | | | ACS ABES 3.6.1 | Apply procedures in the event of an SSR transponder failure. | 3 | Regulation (EU) No 923/2012 Optional content: total/partial failure, impact on ADS-B/Mode S capability | APS ACS | | Subtopic ABES 3.7 — Interception of civil aircraft | | | | | | ACS ABES 3.7.1 | Explain the procedures in the event of interception of civil aircraft. | 2 | Regulation (EU) No 923/2012 | ALL | \[applicable from 4 August 2024 - ED Decision 2023/011/R] AMC · AMC1 ATCO.D.010(a)(2)(v) — Regulation (EU) 2015/340 · ED Decision 2023/011/R · ATCO Easy Access Rules · EAR revision 14 Jun 2024 [All rules in COMMISSION REGULATION (EU) 2015/340](https://avioverse.aero/regulations/easa/atco/initial-training-content/commission-regulation-eu-2015-340) Consolidated from the EASA Easy Access Rules (revision 14 Jun 2024, extracted 2 Nov 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.