--- title: "CAT.IDE.H.100 Instruments and equipment – general — Part-CAT · Avioverse" description: "Instruments and equipment required by this Subpart shall be approved in accordance with the applicable airworthiness requirements, except for the…" url: "https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-d/cat-ide-h-100" --- # CAT.IDE.H.100 Instruments and equipment – general ANNEX IV (Part-CAT) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026 IR Implementing rule ## CAT.IDE.H.100 Instruments and equipment – general (a) Instruments and equipment required by this Subpart shall be approved in accordance with the applicable airworthiness requirements, except for the following items: (1) independent portable lights; (2) an accurate time piece; (3) chart holder; (4) first-aid kit; (5) megaphones; (6) survival and signalling equipment; (7) sea anchors and equipment for mooring; (8) child restraint devices. (b) Instruments and equipment not required under this Annex (Part-CAT) as well as any other equipment which is not required under this Regulation, but carried on a flight, shall comply with the following requirements: (1) the information provided by those instruments, equipment or accessories shall not be used by the flight crew members to comply with Annex II to Regulation (EU) 2018/1139 or points CAT.IDE.H.330, CAT.IDE.H.335, CAT.IDE.H.340 and CAT.IDE.H.345 of this Annex; (2) the instruments and equipment shall not affect the airworthiness of the [helicopter](https://avioverse.aero/glossary/easa/helicopter), even in the case of failures or malfunction. (c) If equipment is to be used by one [flight crew member](https://avioverse.aero/glossary/easa/flight-crew-member) at his/her station during flight, it shall be readily operable from that station. When a single item of equipment is required to be operated by more than one flight crew member it shall be installed so that the equipment is readily operable from any station at which the equipment is required to be operated. (d) Those instruments that are used by any flight crew member shall be so arranged as to permit the flight crew member to see the indications readily from his/her station, with the minimum practicable deviation from the position and line of vision that he/she normally assumes when looking forward along the flight path. (e) All required emergency equipment shall be easily accessible for immediate use. IR · CAT.IDE.H.100 — Regulation (EU) No 965/2012 · Regulation (EU) 2019/1384 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026 GM Guidance material ## GM1 CAT.IDE.H.100(a) Instruments and equipment – general REQUIRED INSTRUMENTS AND EQUIPMENT THAT DO NOT NEED TO BE APPROVED IN ACCORDANCE WITH COMMISSION REGULATION (EU) NO 748/2012 The functionality of non-installed instruments and equipment required by this Subpart and that do not need an equipment approval, as listed in CAT.IDE.H.100(a), should be checked against recognised industry standards appropriate to the intended purpose. The operator is responsible for ensuring the maintenance of these instruments and equipment. GM · GM1 CAT.IDE.H.100(a) — Regulation (EU) No 965/2012 · ED Decision 2014/015/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026 GM Guidance material ## GM1 CAT.IDE.H.100(b) Instruments and equipment – general NOT REQUIRED INSTRUMENTS AND EQUIPMENT THAT DO NOT NEED TO BE APPROVED IN ACCORDANCE WITH COMMISSION REGULATION (EU) NO 748/2012, BUT ARE CARRIED ON A FLIGHT (a) The provision of this paragraph does not exempt any installed instrument or item of equipment from complying with Commission Regulation (EU) No 748/2012. In this case, the installation should be approved as required in Commission Regulation (EU) No 748/2012 and should comply with the applicable [Certification Specifications](https://avioverse.aero/glossary/easa/certification-specifications) as required under that Regulation. (b) The failure of additional non-installed instruments or equipment not required by this Part or the Certification Specifications as required under Commission Regulation (EU) No 748/2012 or any applicable airspace requirements should not adversely affect the airworthiness and/or the safe operation of the [aircraft](https://avioverse.aero/glossary/easa/aircraft). Examples may be the following: (1) portable [electronic flight bag (EFB)](https://avioverse.aero/glossary/easa/electronic-flight-bag); (2) portable electronic devices carried by flight crew or cabin crew; and (3) non-installed passenger entertainment equipment. GM · GM1 CAT.IDE.H.100(b) — Regulation (EU) No 965/2012 · ED Decision 2014/015/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026 GM Guidance material ## GM1 CAT.IDE.H.100(d) Instruments and equipment — general [POSITIONING](https://avioverse.aero/glossary/easa/positioning) OF INSTRUMENTS This requirement implies that whenever a single instrument is required to be installed in a [helicopter](https://avioverse.aero/glossary/easa/helicopter) operated in a multi-crew environment, the instrument needs to be visible from each flight crew station. GM · GM1 CAT.IDE.H.100(d) — Regulation (EU) No 965/2012 · ED Decision 2014/015/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026 [All rules in SUBPART D: INSTRUMENTS, DATA, EQUIPMENT](https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-d) 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.