Aircraft Flight Operation Regulations Article 103
An airplane shall be equipped with an axe, to break the fuselage when the cabin door or emergency exit cannot be opened.
中文原文 航空器飛航作業管理規則第103條
飛機應配備手斧一把，供機門或緊急出口無法開啟時砍破機體使用。
English translation for reference only; the Chinese text prevails. Not legal advice.