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ORO.FC.125 Differences training, familiarisation, equipment and procedure training

ANNEX III (Part-ORO) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026

IRImplementing rule

ORO.FC.125Differences training, familiarisation, equipment and procedure training

(a)Flight crew members shall complete differences training or familiarisation when required by Annex I (Part- FCL) to Regulation (EU) No 1178/2011.

(b)Flight crew members shall complete equipment and procedure training when changing equipment or changing procedures requiring additional knowledge on types or variants currently operated.

(c)The operations manual shall specify when such differences training or familiarisation or equipment and procedure training is required.

IR · ORO.FC.125 — Regulation (EU) No 965/2012 · Regulation (EU) 2021/2237 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMCAcceptable means of compliance

AMC1 ORO.FC.125Differences training, familiarisation, equipment and procedure training

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GENERAL

(a)Differences training requires additional knowledge of and training on the aircraft or an appropriate training device. It should be carried out:

(1)in the case of aeroplanes, when operating another variant of an aeroplane of the same type or another type of the same class currently operated;

(2)in the case of helicopters, when operating a variant of a helicopter currently operated;

(3)in the case of VCA, when operating a variant of a VCA different from the VCA currently operated.

(b)Familiarisation requires only the acquisition of additional knowledge. It should be carried out when operating another aircraft of the same type.

AMC · AMC1 ORO.FC.125 — Regulation (EU) No 965/2012 · ED Decision 2025/010/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMCAcceptable means of compliance

AMC2 ORO.FC.125Differences training, familiarisation, equipment and procedure training

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OPERATOR DIFFERENCE REQUIREMENTS (ODRs) When defining the needs for differences training, familiarisation or equipment training, the operator should make use of the concept of ODRs and of the methodology described in AMC1 ORO.FC.140(a), including the ODRs tables. FORM OF OPERATIONS — SINGLE-PILOT HELICOPTERS If the differences training, familiarisation, equipment or procedure training includes the conversion from single-pilot operations to multi-pilot operations and vice versa, it should take into account all elements described in AMC2 ORO.FC.120.

AMC · AMC2 ORO.FC.125 — Regulation (EU) No 965/2012 · ED Decision 2022/014/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

GMGuidance material

GM1 ORO.FC.125Differences training, familiarisation, equipment and procedure training

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OPERATOR DIFFERENCE REQUIREMENTS (ODRs) The ODRs tables may result in different training programmes, depending on the training needs, regardless of the ‘base aircraft’ used to establish the table (e.g. the trainee may know the ‘other aircraft’ and be trained towards the ‘base aircraft’).

GM · GM1 ORO.FC.125 — Regulation (EU) No 965/2012 · ED Decision 2022/014/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMCAcceptable means of compliance

AMC1 ORO.FC.125(b)Differences training, familiarisation, equipment and procedure training

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SPECIALISED OPERATIONS If the differences training, familiarisation, equipment and procedure training includes training for SOPs related to a specialised operation, points (b) to (f) of AMC3 ORO.FC.120 should apply.

AMC · AMC1 ORO.FC.125(b) — Regulation (EU) No 965/2012 · ED Decision 2022/014/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

GMGuidance material

GM1 ORO.FC.125(b)Differences training, familiarisation, equipment and procedure training

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GENERAL Introducing a change of equipment and/or procedures on types or variants currently operated may require additional knowledge or additional training on the aircraft, or an appropriate training device, or both.

GM · GM1 ORO.FC.125(b) — Regulation (EU) No 965/2012 · ED Decision 2022/014/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

GMGuidance material

GM2 ORO.FC.125(b)Differences training, familiarisation, equipment and procedure training

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PROCEDURE TRAINING — STANDARD OPERATING PROCEDURES FOR MULTI-PILOT OPERATIONS — SINGLEPILOT HELICOPTERS MCC training is generic to all types. A pilot holding a certificate of completion of MCC training requires additional procedures training to implement the multi-pilot SOPs of a given single-pilot helicopter type.

GM · GM2 ORO.FC.125(b) — Regulation (EU) No 965/2012 · ED Decision 2022/014/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

All rules in SUBPART FC: FLIGHT CREW

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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