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failure of more than one system in a redundancy system mandatory for flight guidance and navigation.
Source: EUR-Lex (Cellar) · retrieved 2026-11-02 · Text as adopted (Official Journal); later amendments are not incorporated in this text.
failure of more than one system in a redundancy system mandatory for flight guidance and navigation.
Source: EUR-Lex (Cellar) · retrieved 2026-11-02 · Text as adopted (Official Journal); later amendments are not incorporated in this text.