我是1973年3月调到中南海工作的（时任国务院副秘书长）。9月的一天晚上，我与王书明在国务院值班室值班，突然接到民航总局值班室的电话报告：‘’有一架巴基斯坦航空公司的波音720飞机从首都机场起飞返回巴基斯坦卡拉奇机场。飞机升空5分钟后，塔台指挥员接到机组的报告，说 I was transferred to Zhongnanhai in March 1973 (when he was Deputy Secretary-General of the State Council). One night in September, I and Wang Shuming were on duty in the duty room of the State Department and suddenly received a telephone report from the duty room of CAAC: "A Pakistani carrier Boeing-720 took off from Capital Airport and returned to Pakistan’s Karachi Airport. After the plane took off for 5 minutes, the tower commander received a report from the crew and said