--- title: "NCO.SPEC.100 – NCO.SPEC.MCF.140: SUBPART E: SPECIFIC REQUIREMENTS (Part-NCO) — rule index · Avioverse" description: "NCO.SPEC.100 – NCO.SPEC.MCF.140, Regulation (EU) No 965/2012. This subpart establishes specific requirements to be followed by a pilot-in-command…" url: "https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e" --- # SUBPART E: SPECIFIC REQUIREMENTS ANNEX VII (Part-NCO) · Air Operations · Regulation (EU) No 965/2012 · NCO.SPEC.100 – NCO.SPEC.MCF.140 On this page 1. ## [NCO.SPEC.100 Scope](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-100) This subpart establishes specific requirements to be followed by a pilot-in-command conducting non-commercial specialised operations with other-than… [AMC1 NCO.SPEC.100 Scope](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-100#amc1-nco-spec-100) [GM1 NCO.SPEC.100 Scope](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-100#gm1-nco-spec-100) 2. ## [NCO.SPEC.105 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-105) Before commencing a specialised operation, the pilot-in-command shall conduct a risk assessment, assessing the complexity of the activity to determine… [GM1 NCO.SPEC.105 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-105#gm1-nco-spec-105) [GM2 NCO.SPEC.105 Checklists](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-105#gm2-nco-spec-105) 3. ## [NCO.SPEC.110 Pilot-in-command responsibilities and authority](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-110) Whenever crew members or task specialists are involved in the operation, the pilot-in-command shall (a) ensure compliance of crew members and task… [AMC1 NCO.SPEC.110(f) Pilot-in-command responsibilities and authority](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-110#amc1-nco-spec-110-f) [GM1 NCO.SPEC.110(f) Pilot-in-command responsibilities and authority](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-110#gm1-nco-spec-110-f) [GM2 NCO.SPEC.110(f) Pilot-in-command responsibilities and authority](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-110#gm2-nco-spec-110-f) 4. ## [NCO.SPEC.115 Crew responsibilities](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-115) The crew member shall be responsible for the proper execution of his/her duties. [AMC1 NCO.SPEC.115(a) Crew responsibilities](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-115#amc1-nco-spec-115-a) 5. ## [NCO.SPEC.120 Task specialists responsibilities](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-120) The task specialist shall be responsible for the proper execution of his/her duties. 6. ## [NCO.SPEC.125 Safety briefing](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-125) Before take-off, the pilot-in-command shall brief task specialists on: [AMC1 NCO.SPEC.125 Safety briefing](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-125#amc1-nco-spec-125) 7. ## [NCO.SPEC.130 Minimum obstacle clearance altitudes – IFR flights](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-130) The pilot-in-command shall establish minimum flight altitudes for each flight providing the required terrain clearance for all route segments to be flown… 8. ## [NCO.SPEC.145 Simulated situations in flight](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-145) Unless a task specialist is on-board the aircraft for training, the pilot-in-command shall, when carrying task specialists, not simulate: 9. ## [NCO.SPEC.150 Ground proximity detection](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-150) If installed, the ground proximity warning system may be disabled during those specialised tasks, which by their nature require the aircraft to be… 10. ## [NCO.SPEC.155 Airborne collision avoidance system (ACAS II)](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-155) Notwithstanding NCO.OP.200, the ACAS II may be disabled during those specialised tasks, which by their nature require the aircraft to be operated within… 11. ## [NCO.SPEC.160 Release of dangerous goods](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-160) The pilot-in-command shall not operate an aircraft over congested areas of cities, towns or settlements or over an open-air assembly of persons when… 12. ## [NCO.SPEC.165 Carriage and use of weapons](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-165) The pilot-in-command shall ensure that, when weapons are carried on a flight for the purpose of a specialised task, these are secured when not in use. 13. ## [NCO.SPEC.170 Performance and operating criteria – aeroplanes](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-170) When operating an aeroplane at a height of less than 150 m (500 ft) above a non-congested area, for operations of aeroplanes that are not able to sustain… 14. ## [NCO.SPEC.172 Performance and operating criteria – gyroplanes](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-172) When operating a gyroplane at a height of less than 150 m (500 ft) above a non-congested area, for operations of gyroplanes that are not able to sustain… 15. ## [NCO.SPEC.175 Performance and operating criteria – helicopters](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-175) The pilot-in-command may operate an aircraft over congested areas provided that: [GM1 NCO.SPEC.175(c) Performance and operating criteria – helicopters](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-175#gm1-nco-spec-175-c) 16. ## [NCO.SPEC.HESLO.100 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-heslo-100) The checklist for HESLO shall contain: normal, abnormal and emergency procedures; [GM1 NCO.SPEC.HESLO.100 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-heslo-100#gm1-nco-spec-heslo-100) 17. ## [NCO.SPEC.HESLO.105 Specific HESLO equipment](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-heslo-105) The helicopter shall be equipped with at least: one cargo safety mirror or alternative means to see the hook(s)/load; 18. ## [NCO.SPEC.HESLO.110 Transportation of dangerous goods](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-heslo-110) The operator transporting dangerous goods to or from unmanned sites or remote locations shall apply to the competent authority for an exemption from the… 19. ## [NCO.SPEC.HEC.100 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-hec-100) The checklist for HEC shall contain: normal, abnormal and emergency procedures; [GM1 NCO.SPEC.HEC.100 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-hec-100#gm1-nco-spec-hec-100) 20. ## [NCO.SPEC.HEC.105 Specific HEC equipment](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-hec-105) The helicopter shall be equipped with: hoist operations equipment or cargo hook; 21. ## [NCO.SPEC.PAR.100 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-par-100) The checklist for PAR shall contain: normal, abnormal and emergency procedures; 22. ## [NCO.SPEC.PAR.105 Carriage of crew members and task specialists](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-par-105) The requirement laid down in NCO.SPEC.120(c) shall not be applicable for task specialists performing parachute jumping. 23. ## [NCO.SPEC.PAR.110 Seats](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-par-110) Notwithstanding NCO.IDE.A.140(a)(1) and NCO.IDE.H.140(a)(1), the floor of the aircraft may be used as a seat, provided means are available for the task… 24. ## [NCO.SPEC.PAR.115 Supplemental oxygen](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-par-115) Notwithstanding NCO.SPEC.110(f), the requirement to use supplemental oxygen shall not be applicable for crew members other than the pilot-in-command and… 25. ## [NCO.SPEC.PAR.120 Release of dangerous goods](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-par-120) Notwithstanding point NCO.SPEC.160, parachutists may carry smoke trail devices and exit the aircraft for the purpose of parachute display over congested… 26. ## [NCO.SPEC.ABF.100 Checklist](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-abf-100) The checklist for ABF shall contain: normal, abnormal and emergency procedures; 27. ## [NCO.SPEC.ABF.105 Documents and information](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-abf-105) The following documents and information listed in NCO.GEN.135(a) need not be carried during aerobatic flights: 28. ## [NCO.SPEC.ABF.110 Equipment](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-abf-110) The following equipment requirements need not be applicable to aerobatic flights: 29. ## [NCO.SPEC.MCF.100 Levels of maintenance check flights](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-100) Before conducting a maintenance check flight, the operator shall determine the applicable level of the maintenance check flight as follows: 30. ## [NCO.SPEC.MCF.105 Operational limitations](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-105) By way of derogation from point NCO.GEN.105(a)(4) of this Annex, a maintenance check flight may be conducted with an aircraft that has been released to… 31. ## [NCO.SPEC.MCF.110 Checklist and safety briefing](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-110) The checklist referred to in point NCO.SPEC.105 shall be updated as needed before each maintenance check flight and shall consider the operating… [GM1 NCO.SPEC.MCF.110 Checklist and safety briefing](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-110#gm1-nco-spec-mcf-110) 32. ## [NCO.SPEC.MCF.120 Flight crew requirements](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-120) When selecting a flight crew member for a maintenance check flight, the operator shall consider the aircraft complexity and the level of the maintenance… [AMC1 NCO.SPEC.MCF.120 Flight crew requirements](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-120#amc1-nco-spec-mcf-120) 33. ## [NCO.SPEC.MCF.125 Crew composition and persons on board](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-125) The pilot-in-command shall identify the need for additional crew members or task specialists, or both, before each intended maintenance check flight… [GM1 NCO.SPEC.MCF.125 Crew composition and persons on board](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-125#gm1-nco-spec-mcf-125) 34. ## [NCO.SPEC.MCF.130 Simulated abnormal or emergency procedures in flight](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-130) By way of derogation from point NCO.SPEC.145, a pilot-in-command may simulate situations that require the application of abnormal or emergency procedures… 35. ## [NCO.SPEC.MCF.140 Systems and equipment](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-mcf-140) When a maintenance check flight is intended to check the proper functioning of a system or equipment, that system or equipment shall be identified as… Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 13 Oct 2026) for convenience. 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