---
title: "CS 26.430 Emergency flotation system resistance to damage — ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS, Part-26 · Avioverse"
description: "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…"
url: "https://avioverse.aero/regulations/easa/additional-airworthiness/additional-airworthiness-specifications-for/subpart-c/cs-26-430"
---

# CS 26.430 Emergency flotation system resistance to damage

ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS · Regulation (EU) 2015/640 · EAR revision 20 Mar 2026

IR Implementing rule

## CS 26.430 Emergency flotation system resistance to damage

Compliance with point 26.430 of Part-26 is demonstrated by:

(a) compliance with CS 27.801(c)(1) of CS-27 at Amendment 5 or later, or the equivalent, or CS 29.801(c)(1) of CS-29 at Amendment 5 or later, or the equivalent certification specification as detailed in the existing type certificate of the helicopter or supplemental type certificate of the emergency flotation system; or

(b) determining that the effects on the successful deployment and retention of the system as a result of possible damage from a water impact are minimised through the evaluation of the functionality of the emergency flotation system in the event of a water impact.

\[Issue: 26/4]

IR · CS 26.430 — Regulation (EU) 2015/640 · ED Decision 2022/019/R · Part-26 Easy Access Rules · EAR revision 20 Mar 2026

[All rules in SUBPART C — HELICOPTERS](https://avioverse.aero/regulations/easa/additional-airworthiness/additional-airworthiness-specifications-for/subpart-c)

Consolidated from the EASA Easy Access Rules (revision 20 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.