A 2000 study by the British Civil Aviation Authority found that a mobile phone, when used near the cockpit or other avionics equipment location, will exceed safety levels for older equipment (compliant with 1984 standards).
英国民航管理局2000年的研究发现一部手机在驾驶舱内或附近其他航空电子设备旁边使用时，旧设备（符合1984标准）将超过安全水平。