Design requirements
2 Design requirements
2.1 For this Order, the cockpit voice recorder system includes components of the installation which satisfy the requirements of paragraph 2.2. These components would normally include the following:
flight deck mounted equipment, including a control unit, a monitor display, all microphones at each flight crew position, an area microphone and associated preamplifier stages;
a crash protected recorder.
2.2 The equipment must be approved and installed so that it will record simultaneously on at least 4 channels:
voice communications transmitted from, or received in, the aircraft by radio; and
all conversation on the flight deck; and
voice communications of flight crew members on the flight deck, using the aircraft's interphone system; and
voice or audio signals identifying navigation or approach aids introduced into a headset or speaker; and
audio signals from alerting or warning devices on the flight deck and general flight deck sounds; and
voice communications of flight crew - members using the passenger address system, if a channel is available in accordance with the requirements of sub‑subparagraph 3.1 (a) (vi) of this Order.
2.3 A cockpit voice recorder must comply with the requirements of Technical Standard Order C84 or later amendment of the Federal Aviation Administration of the United States of America and be of a type approved by the Director.
2.4 The cockpit voice recorder must be provided with the following means to facilitate its identification in conditions following a crash:
each cockpit voice recorder container must be coloured either bright orange or bright yellow;
reflective tape must be affixed to the external surface of the cockpit voice recorder container to facilitate its location under water.
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