--- title: "ORO.TC.120 Operator conversion training — Part-ORO · Avioverse" description: "Each technical crew member shall complete: operator conversion training, including relevant CRM elements, (1) before being first assigned by the operator…" url: "https://avioverse.aero/regulations/easa/air-ops/part-oro/subpart-tc/oro-tc-120" --- # ORO.TC.120 Operator conversion training ANNEX III (Part-ORO) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026 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-operations) · [EUR-Lex 2012/965 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32012R0965) IR Implementing rule ## ORO.TC.120 Operator conversion training Each [technical crew member](https://avioverse.aero/glossary/easa/technical-crew-member) shall complete: (a) operator conversion training, including relevant CRM elements, (1) before being first assigned by the operator as a technical crew member; or (2) when changing to a different [aircraft](https://avioverse.aero/glossary/easa/aircraft) type or class, if any of the equipment or procedures mentioned in (b) are different. (b) The operator conversion training shall include: (1) the location and use of all safety and survival equipment carried on board the aircraft; (2) all normal and emergency procedures; (3) on-board equipment used to perform duties in the aircraft or on the ground for the purpose of assisting the pilot during HEMS, VEMS, HHO or NVIS operations. IR · ORO.TC.120 — Regulation (EU) No 965/2012 · Regulation (EU) 2024/1111 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026 AMC Acceptable means of compliance ## AMC1 ORO.TC.120;125 Operator conversion training and differences training ELEMENTS (a) Operator conversion training mentioned in point ORO.TC.120(b) and differences training mentioned in point ORO.TC.125(a) should include the following: (1) Fire and smoke training, including practical training in the use of all firefighting equipment as well as protective clothing representative of that carried in the [aircraft](https://avioverse.aero/glossary/easa/aircraft). Each [technical crew member](https://avioverse.aero/glossary/easa/technical-crew-member) should: (i) extinguish a fire characteristic of an aircraft interior fire except that, in the case of Halon extinguishers, an alternative extinguishing agent may be used; (ii) practise the donning and use of protective breathing equipment (if fitted) in an enclosed, simulated smoke-filled environment; and (iii) manage a fire of a battery mounted on a VCA, where applicable. (2) Practical training in operating and opening all normal and emergency exits for passenger evacuation in an aircraft or representative training device and demonstration of the operation of all other exits. (3) Evacuation procedures and other emergency situations, including: (i) recognition of planned or unplanned evacuations on land or water — this training should include recognition of unusable exits or unserviceable evacuation equipment; (ii) in-flight fire and identification of fire source; and (iii) other in-flight emergencies. (4) Training in assisting if a pilot becomes incapacitated, including a demonstration of: (i) the pilot’s seat mechanism; (ii) fastening and unfastening the pilot’s seat restraint system; (iii) use of the pilot’s oxygen equipment, when applicable; and (iv) use of pilots’ checklists. (5) Training on, and demonstration of, the location and use of safety equipment, including the following: (i) life rafts, including the equipment attached to, and/or carried in, the raft, where applicable; (ii) life jackets, [infant](https://avioverse.aero/glossary/easa/infant) life jackets and flotation devices, where applicable; (iii) fire extinguishers; (iv) crash axe or crow bar; (v) emergency lights, including portable lights; (vi) communication equipment, including megaphones; (vii) survival packs, including their contents; (viii) pyrotechnics (actual or representative devices); (ix) first-aid kits, their contents and emergency medical equipment; and (x) other safety equipment or systems, where applicable. (6) Training on passenger briefing/safety demonstrations and preparation of passengers for normal and emergency situations. (7) Training on the use of dangerous goods, if applicable. (8) Task-specific training. AMC · AMC1 ORO.TC.120 — Regulation (EU) No 965/2012 · ED Decision 2025/010/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026 AMC Acceptable means of compliance ## AMC2 ORO.TC.120&.125 Operator conversion training and differences training AMC2 ORO.TC.120&.125 Operator conversion training and differences training GENERAL (a) The operator should determine the content of the conversion or differences training taking account of the [technical crew member](https://avioverse.aero/glossary/easa/technical-crew-member)'s previous training as documented in the technical crew member's training records. (b) [Aircraft](https://avioverse.aero/glossary/easa/aircraft) conversion or differences training should be conducted according to a syllabus and include the use of relevant equipment and emergency procedures and practice on a representative training device or on the actual aircraft. (c) The operator should specify in the operations manual the maximum number of types or variants that can be operated by a technical crew member. AMC · AMC2 ORO.TC.120 — Regulation (EU) No 965/2012 · ED Decision 2014/017/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026 [All rules in SUBPART TC: TECHNICAL CREW IN HEMS, HHO OR NVIS OPERATIONS](https://avioverse.aero/regulations/easa/air-ops/part-oro/subpart-tc) Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, 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.