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SUBPART B — AEROPLANES

ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS · Additional Airworthiness Specifications · Regulation (EU) 2015/640 · 26.50 – CS 26.370

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  1. 26.50 Seats, berths, safety belts, and harnesses

    Operators of large aeroplanes used in commercial air transport, type certified on or after 1 January 1958, shall ensure that each flight or cabin crew…

    GM1 26.50(c) Cabin crew seat location with respect to injury risk

  2. CS 26.50 Seats, berths, safety belts, and harnesses

    Compliance with point 26.50 of Part-26 is demonstrated by complying with CS 25.785(g), (h), (j) & (k) of CS-25, or equivalent or with the following:

  3. 26.60 Emergency landing – dynamic conditions

    Operators of large aeroplanes used in commercial air transport of passengers, type-certified on or after 1 January 1958, and for which the individual…

    GM1 26.60 Emergency landing – dynamic conditions

  4. CS 26.60 Emergency landing – dynamic conditions

    Compliance with point 26.60 of Part-26 is demonstrated by complying with CS 25.562 of CS-25, or its equivalent, or with the following (see GM1 26.60):

  5. 26.100 Location of emergency exits

    Operators of large aeroplanes that are used in commercial air transport and that have a maximum operational passenger seating configuration of more than…

  6. CS 26.100 Location of emergency exits

    Compliance with point 26.100 of Part-26 is demonstrated by complying with the following:

  7. 26.105 Emergency exit access

    Operators of large aeroplanes used in commercial air transport shall provide means to facilitate the rapid and easy movement of each passenger from their…

  8. CS 26.105 Emergency exit access

    Compliance with point 26.105 of Part-26 is demonstrated by complying with CS 25.813(d) to (f) or equivalent, or with the following:

  9. 26.110 Emergency exit markings

    Operators of large aeroplanes used in commercial air transport shall comply with the following:

    GM1 26.110(d) Universal symbolic exit signs

    GM1 26.110(e)(4) Emergency Exit Markings

  10. CS 26.110 Emergency exit markings

    Compliance with point 26.110 of Part-26 is demonstrated by complying with CS 25.811(a) to (d), and (f)&(g), or equivalent, and CS 25.811(e) or…

  11. 26.120 Interior emergency lighting and emergency light operation

    Operators of large aeroplanes used in commercial air transport shall provide means to ensure that illuminated exit signage, general cabin and exit area…

  12. CS 26.120 Interior emergency lighting and emergency light operation

    Compliance with point 26.120 of Part-26 is demonstrated by complying with CS 25.812 (b),(c),(d) and (h) of CS-25 or equivalent and CS 25.812 (a) and (e)…

  13. 26.150 Compartment interiors

    Operators of large aeroplanes used in commercial air transport shall comply with the following:

    GM1 26.150(a) Compartment interiors

    GM1 26.150(c) Compartment interiors

    GM1 26.150(d) Compartment interiors

  14. CS 26.150 Compartment interiors

    Compliance with point 26.150 of Part-26 is demonstrated by complying with CS 25.853 and Appendix F or equivalent, CS 25.853(e) or equivalent and CS…

  15. 26.155 Flammability of cargo compartment liners

    Operators of large aeroplanes used in commercial air transport, type certified after 1 January 1958, shall ensure that the liners of Class C or Class D…

  16. CS 26.155 Flammability of cargo compartment liners

    Compliance with point 26.155 of Part-26 is demonstrated by complying with CS 25.855 & Appendix F Part III, or equivalent or with the following:

  17. 26.156 Thermal or acoustic insulation materials

    Operators of large aeroplanes that are used in commercial air transport, and that were type certified on or after 1 January 1958, shall ensure that:

    GM1 26.156(a) Insulation materials installed as replacement

  18. CS 26.156 Thermal/acoustic insulation materials

    Compliance with point 26.156(a) of Part-26 is demonstrated by complying with CS 25.856(a), or its equivalent.

  19. 26.157 Conversion of Class D compartments

    Operators of large aeroplanes that are used in commercial air transport, and that were type certified on or after 1 January 1958, shall ensure that:

  20. CS 26.157 Conversion of Class D compartments

    Compliance with point 26.157(a) of Part-26 is demonstrated by showing compliance with CS 25.857(c) and CS 25.858, or the equivalent.

  21. 26.160 Lavatory fire protection

    Operators of large aeroplanes used in commercial air transport with a maximum operational passenger seating configuration of more than 19 shall comply…

  22. CS 26.160 Lavatory fire protection

    Compliance with point 26.160 of Part-26 is demonstrated by complying with CS 25.854, or equivalent or with the following:

  23. 26.170 Fire extinguishers

    Operators of large aeroplanes shall ensure that the following extinguishers do not use halon as an extinguishing agent:

    GM1 26.170(b) Fire extinguishers

  24. CS 26.170 Fire extinguishers

    Compliance with point 26.170 of Part-26 is demonstrated by complying with the following (see also GM1 26.170(b)):

  25. 26.175 Cargo compartment fire protection

    For large aeroplanes, as well as for small aeroplanes with a maximum take-off weight (MTOW) greater than 5 700 kg (12 500 lb), for which the individual…

    GM1 26.175 Cargo compartment fire protection

  26. CS 26.175 Cargo compartment fire protection

    For large aeroplanes referred to in point 26.175(a) of Part26, compliance with point 26.175 is demonstrated by providing:

  27. 26.200 Landing gear aural warning

    Operators of large aeroplanes used in commercial air transport shall ensure that an appropriate landing gear aural warning device is installed in order…

  28. CS 26.200 Landing gear aural warning

    Compliance with point 26.200 of Part-26 is demonstrated by complying with CS 25.729, or equivalent or with the following:

  29. 26.201 Tyre inflation pressure

    Operators of large aeroplanes shall minimise the risk of a tyre being below its minimum serviceable inflation pressure during operation.

  30. CS 26.201 Tyre inflation pressure

    Compliance with point 26.201 of Part-26 is demonstrated by complying with CS 25.733(f) of CS-25 or its equivalent, or with the following:

  31. 26.205 Runway overrun awareness and alerting systems

    Operators of large aeroplanes used in commercial air transport shall ensure that every large aeroplane for which the first individual certificate of…

    GM1 26.205 Runway overrun awareness and alerting systems

  32. CS 26.205 Runway overrun awareness and alerting systems

    Compliance with point 26.205 of Part-26 is demonstrated by showing compliance with CS 25.705, or with the following:

  33. 26.250 Flight crew compartment door operating systems — single incapacitation

    Operators of large aeroplanes used in commercial air transport shall ensure that flight crew compartment door operating systems, where installed, be…

  34. 26.300 Continuing structural integrity programme for ageing aeroplanes structures — general requirements

    A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before 1…

    GM1 26.300(c) and 26.330(c) Substantiation of change and repair status

    GM1 26.300(b) and 26.330(b) Guidance on applicability

  35. CS 26.300(c) 26.330(c) and (d) Substantiation of change and repair status

    Compliance with points 26.300(c), 26.330(c) and 26.330(d) of Part-26 is demonstrated by complying with points (a) or (b) of this CS:

    CS 26.300(c)

  36. 26.301 Compliance Plan for (R)TC holders

    A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before 1…

  37. CS 26.301 Compliance plan for (R)TC holders and applicants

    Compliance with point 26.301 of Part-26 is demonstrated when a compliance plan exists that includes the following:

  38. 26.302 Fatigue and damage tolerance evaluation

    A holder of a TC or a restricted TC, for a large aeroplane certified to carry 30 passengers or more, or with a payload capacity of 3 402 kg (7 500 lb) or…

  39. CS 26.302 Fatigue and damage tolerance evaluation

    Compliance with point 26.302 of Part-26 is demonstrated by complying with CS 25.571 Amendment 19, or subsequent amendment, or with points (a) or (b) of…

  40. 26.303 Limit of Validity

    A holder of a TC or a restricted TC, for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before…

    GM1 26.303(a) Derogation from point (a)(ii)

  41. CS 26.303(a) and (c) Limit of validity

    Compliance with points 26.303(a) and (c) of Part26 is demonstrated by complying with CS 25.571 Amendment 19, or subsequent amendment, or with the…

  42. 26.304 Corrosion prevention and control programme

    A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before 1…

  43. CS 26.304(a) CPCP

    Compliance with point 26.304 of Part26 is demonstrated by complying with CS 25.571 Amendment 19 or subsequent amendment, or with points (a) or (b) of…

  44. 26.305 Validity of the continuing structural integrity programme

    A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before 1…

  45. CS 26.305(a) and (c) Validity of the continuing structural integrity programme

    Compliance with points 26.305(a) and 26.305(c) of Part-26 is demonstrated by complying with the following:

  46. 26.306 Fatigue-critical baseline structure

    A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before 1…

  47. CS 26.306(a) and (d) Fatigue-critical baseline structure

    Compliance with points 26.306(a) and 26.306(d) of Part-26 is demonstrated when a list of the FCBSs exists that has been identified in compliance with AMC…

  48. 26.307 Damage tolerance data for existing changes to fatigue-critical structure

    A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958 and certified to carry 30 passengers or more, or with a…

  49. CS 26.307(a)(i),(ii) and (b) List of fatigue-critical modified structure

    Compliance with points 26.307(a)(i) and (ii) and 26.307(b) of Part-26 is demonstrated when a list of the fatigue-critical modified structures (FCMSs)…

  50. CS 26.307(a)(iii) and (c) Damage tolerance data for existing changes to the FCS

    Compliance with the fatigue and damage tolerance evaluation required by point 26.307 (a)(iii) and (c) of Part-26 is demonstrated by complying with CS…

  51. 26.308 Damage tolerance data for existing repairs to fatigue-critical structure

    holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958 and certified to carry 30 passengers or more, or with a…

  52. CS 26.308 Damage tolerance data for existing published repairs to fatigue-critical structure

    Compliance with point 26.308(a) of Part-26 is demonstrated when damage tolerance data is developed in accordance with AMC 20-20A Paragraph 7 and Appendix…

  53. 26.309 Repair evaluation guidelines

    A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958 and certified to carry 30 passengers or more, or with a…

  54. CS 26.309 Repair evaluation guidelines

    Compliance with point 26.309 of Part-26 is demonstrated when REGs are developed in accordance with AMC 20-20A Paragraph 7 and Appendix 3 for existing…

  55. 26.330 Damage tolerance data for existing supplemental type certificates (STCs), other existing major changes and existing repairs affecting those STCs or changes

    A holder of a STC issued before 26 February 2021, or a holder of a major change approval that has been deemed approved in accordance with Article 4 of…

  56. 26.331 Compliance plan for STC holders

    The approval holder referred to in point 26.330(a) shall: establish a compliance plan that addresses the requirements of points 26.332 to 26.334;

  57. CS 26.331 Compliance plan for STC holders

    Compliance with point 26.331 of Part-26 is demonstrated when a compliance plan exists that includes:

  58. 26.332 Identification of changes affecting fatigue-critical structure

    The approval holder referred to in point 26.330(a) shall: review the changes and identify those changes that affect FCBS;

    GM1 26.332(a)(iii) Identification of published repairs to changes affecting fatigue-critical structure

    GM1 26.332(c)(ii) and 26.334 FCMS and DTE for STCs and other changes approved prior to 1 September 2003

    GM1 26.332(c)(ii) and 26.334 FCMS and DTE for STCs and other changes approved prior to 1 September 2003

  59. CS 26.332 Identification of changes affecting fatigue-critical structure

    Compliance with points 26.332(a)(i) and 26.332(b) or 26.332(c)(i) of Part-26 is demonstrated when the changes affecting the FCBS are identified in…

  60. 26.333 Damage tolerance data for STCs and repairs affecting those STCs approved on or after 1 September 2003

    For a change approval that was issued on or after 1 September 2003, the approval holder referred to in point 26.330(a) shall:

  61. CS 26.333 and 26.334 Damage tolerance data for STCs, other changes and repairs to those STCs and changes

    Compliance with the fatigue and damage tolerance evaluation required by points 26.333(a)(i) or 26.334(a)(i) of Part-26 is demonstrated by complying with…

    CS 26.333

  62. 26.334 Damage tolerance data for STCs and other existing major changes and repairs affecting those STCs or changes approved before 1 September 2003

    Upon request of operators and organisations responsible for the management of continuing airworthiness, to support the compliance with point…

  63. 26.370 Maintenance programme

    Operators of large aeroplanes certified on or after 1 January 1958 shall ensure that the maintenance programmes of those aeroplanes include:

    GM1 26.370(a)(ii) Maintenance programme

  64. CS 26.370 Maintenance programme

    Compliance with point 26.370(a)(i) of Part26 is demonstrated if the maintenance programme incorporates the approved DTIs developed by the design approval…

Consolidated from the EASA Easy Access Rules (revision 20 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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