---
title: "NCC.GEN.105 Crew responsibilities — Part-NCC · Avioverse"
description: "The crew member shall be responsible for the proper execution of his/her duties that are:"
url: "https://avioverse.aero/regulations/easa/air-ops/part-ncc/subpart-a/ncc-gen-105"
---

# NCC.GEN.105 Crew responsibilities

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

IR Implementing rule

## NCC.GEN.105 Crew responsibilities

(a) The [crew member](https://avioverse.aero/glossary/easa/crew-member) shall be responsible for the proper execution of his/her duties that are:

(1) related to the safety of the [aircraft](https://avioverse.aero/glossary/easa/aircraft) and its occupants; and

(2) specified in the instructions and procedures in the operations manual.

(b) During [critical phases of flight](https://avioverse.aero/glossary/easa/critical-phases-of-flight) or whenever deemed necessary by the pilot-in-command in the interest of safety, the crew member shall be seated at his/her assigned station and shall not perform any activities other than those required for the safe operation of the aircraft.

(c) During flight, the [flight crew member](https://avioverse.aero/glossary/easa/flight-crew-member) shall keep his/her safety belt fastened while at his/her station.

(d) During flight, at least one qualified flight crew member shall remain at the controls of the aircraft at all times.

(e) The crew member shall not undertake duties on an aircraft:

(1) if he/she knows or suspects that he/she is suffering from fatigue as referred to in 7.f of Annex IV to Regulation (EC) No 216/2008 or feels otherwise unfit, to the extent that the flight may be endangered; or

(2) when under the influence of [psychoactive substances](https://avioverse.aero/glossary/easa/psychoactive-substances) or for other reasons as referred to in 7.g of Annex IV to Regulation (EC) No 216/2008.

(f) The crew member who undertakes duties for more than one operator shall:

(1) maintain his/her individual records regarding flight and [duty](https://avioverse.aero/glossary/easa/duty) times and rest periods as referred to in Annex III (Part-ORO), Subpart FTL to Regulation (EU) No 965/2012; and

(2) provide each operator with the data needed to schedule activities in accordance with the applicable FTL requirements.

(g) The crew member shall report to the pilot-in-command:

(1) any fault, failure, malfunction or defect, which he/she believes may affect the airworthiness or safe operation of the aircraft, including emergency systems; and

(2) any incident that was endangering, or could endanger, the safety of the operation.

IR · NCC.GEN.105 — Regulation (EU) No 965/2012 · Regulation (EU) 2018/1042 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

GM Guidance material

## GM1 NCC.GEN.105(e)(2) Crew responsibilities

GENERAL

In accordance with 7.g. of Annex IV to Regulation (EC) No 216/2008 (essential requirements for air operations), a [crew member](https://avioverse.aero/glossary/easa/crew-member) must not perform duties on board an [aircraft](https://avioverse.aero/glossary/easa/aircraft) when under the influence of [psychoactive substances](https://avioverse.aero/glossary/easa/psychoactive-substances) or alcohol or when unfit due to injury, fatigue, medication, sickness or other similar causes. This should be understood as including the following:

(a) effects of deep water diving and blood donation, and allowing for a certain time period between these activities and returning to flying; and

(b) without prejudice to more restrictive national regulations, the consumption of alcohol while on [duty](https://avioverse.aero/glossary/easa/duty) or less than 8 hours prior to the commencement of duties, and commencing a flight [duty period](https://avioverse.aero/glossary/easa/duty-period) with a blood alcohol level in excess of 0.2 per thousand.

GM · GM1 NCC.GEN.105(e)(2) — Regulation (EU) No 965/2012 · ED Decision 2013/021/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMC Acceptable means of compliance

## AMC1 NCC.GEN.105(g) Crew responsibilities

OCCURRENCE REPORTING

Whenever a [crew member](https://avioverse.aero/glossary/easa/crew-member) makes use of the applicable reporting systems, a copy of the report should be communicated to the pilot-in-command.

AMC · AMC1 NCC.GEN.105(g) — Regulation (EU) No 965/2012 · ED Decision 2013/021/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART A: GENERAL REQUIREMENTS](https://avioverse.aero/regulations/easa/air-ops/part-ncc/subpart-a)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.