Rules of the Air Article 25
An aircraft shall not be flown under simulated instrument flight conditions unless:1. fully functioning dual controls are installed in the aircraft; and;2. a qualified pilot occupies a control seat to act as safety pilot for the person who is flying under simulated instrument conditions. The safety pilot shall have adequate vision forward and to each side of the aircraft, or a competent observer in communication with the safety pilot shall occupy a position in the aircraft from which his field of vision adequately supplements that of the safety pilot.
中文原文 飛航規則第25條
航空器實施模擬儀器飛航時應符合下列規定：
一、航空器裝有兩套完整之操作系統。
二、實施模擬飛航時，應有一合格駕駛員坐在駕駛座上，負責安全，其座位對航空器前方及兩側應有良好視野，否則應有一觀察員，處於有良好視野之位置，並與負責安全工作駕駛員保持聯繫，以彌補其視野之不足。
一、航空器裝有兩套完整之操作系統。
二、實施模擬飛航時，應有一合格駕駛員坐在駕駛座上，負責安全，其座位對航空器前方及兩側應有良好視野，否則應有一觀察員，處於有良好視野之位置，並與負責安全工作駕駛員保持聯繫，以彌補其視野之不足。