SUBPART C — HELICOPTERS
ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS · Additional Airworthiness Specifications · Regulation (EU) 2015/640 · 26.400 – CS 26.440
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26.400 Fire extinguishers
Operators of large helicopters shall ensure that the following extinguishers do not use halon as an extinguishing agent:
CS 26.400 Fire extinguishers
Compliance with point 26.400 of Part-26 is demonstrated by complying with the following (see also GM1 26.400(b)):
26.405 Cargo compartment fire protection
For both small and large helicopters equipped with at least one cargo compartment separated from the flight deck, and for which the individual…
CS 26.405 Cargo compartment fire protection
For small helicopters and large helicopters referred to in point 26.405 of Part26, compliance with point 26.405 is demonstrated by providing:
26.410 Emergency controls operated underwater
Operators of small helicopters and large helicopters that are required, in accordance with point CAT.IDE.H.320(a) of Annex IV to Regulation (EU) No…
CS 26.410 Emergency controls operated underwater
Compliance with point 26.410 of Part-26 is demonstrated by complying with CS 27.1555(d)(2) of CS 27 at Amendment 5 or later, or the equivalent, or CS…
26.415 Underwater emergency exits
Operators of small helicopters and large helicopters that are required, in accordance with point CAT.IDE.H.320(a) of Annex IV to Regulation (EU) No…
GM1 26.415(b) Underwater emergency exits
CS 26.415 Underwater emergency exits
Compliance with point 26.415(a)(1) of Part-26 is demonstrated by complying with CS 27.805(c) and CS 27.807(d)(5) of CS-27 at Amendment 5 or later, or the…
26.420 Emergency equipment for flight over water
Operators of small helicopters and large helicopters that are required to comply with the requirements of point CAT.IDE.H.300 of Annex IV, point…
CS 26.420 Flight over water emergency equipment
Compliance with point 26.420(a)(1) of Part-26 is demonstrated by complying with CS 27.1415(b)(2) of CS-27 at Amendment 5 or later, or the equivalent, or…
26.425 Provision of substantiated sea conditions
A holder of a type certificate for a small helicopter or a large helicopter shall ensure that the substantiated sea conditions for capsize resistance and…
CS 26.425 Provision of substantiated sea conditions
Compliance with point 26.425 of Part-26 is demonstrated by complying with CS 27.1587(b)(3) of CS27 at Amendment 5 or later, or the equivalent, or CS…
26.430 Resistance of an emergency flotation system to damage
Operators of small helicopters or large helicopters that have their first individual certificate of airworthiness issued on or after 9 August 2025 and…
CS 26.430 Emergency flotation system resistance to damage
Compliance with point 26.430 of Part-26 is demonstrated by: compliance with CS 27.801(c)(1) of CS-27 at Amendment 5 or later, or the equivalent, or CS…
26.431 Determination of the robustness of emergency flotation system designs
An operator of a small helicopter or a large helicopter that is required, in accordance with point CAT.IDE.H.320(a) of Annex IV to Regulation (EU) No…
GM1 26.431 Determination of the robustness of emergency flotation system designs
CS 26.431 Determination of the robustness of emergency flotation system designs
Compliance with point 26.431 is demonstrated by carrying out an assessment in accordance with CS 27.801(c)(1) of CS-27 at Amendment 5 or later, or…
26.435 Automatic deployment of an emergency flotation system
Operators of small helicopters that are required, in accordance with point CAT.IDE.H.320(a) of Annex IV to Regulation (EU) No 965/2012, to be designed…
GM1 26.435(b) Automatic deployment of an emergency flotation system
CS 26.435 Automatic deployment of an emergency flotation system
Compliance with point 26.435(a) of Part-26 is demonstrated by complying with CS 27.801(c)(2) of CS-27 at Amendment 5 or later, or the equivalent, or with…
26.440 Fuel system crash resistance
Operators of small helicopters and large helicopters shall ensure that the likelihood of a post-crash fire is minimised as far as practicable in the…
CS 26.440 Fuel system crash resistance
Compliance with point 26.440 of Part26 is demonstrated by complying with:
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