389 、 This Specification is designed to provide guidance for the preparation of Handbooks For all types ofgeneral s aviation airplanes originally certificated at maximum takeoff weights of 12,500 pounds or less. 本规范旨在为所有类型的通用航空飞机手册的编写提供指导，最初认证的最大起飞重量不超过 12,500 磅。

1100、This document shall specify,for a crack inspection, the minimum size crack expected to be discovered or,if no minimumis defined, a statement to this effect.

1099、Controls in the flight compartment permit selection of temperature and flow rates

1098、不要使用可能引起火花的测试设备。

1097、Make sure that the temperature of the probe increased to more than99℃

1096、营运人应与当地的管理当局协商,调整间隔时间,使其最适合各自的运营坏境。

1095、本手册中的定义应与联邦航空法规中的定义一致。

1094 、 The document points out that the FAA should be contacted prior to any alterations on airplane to insure thatairworthiness of the airplane is not violated.

1093、Make sure that the door is flush with the adjacent surfaces.

1092、Gauges used to indicate lower pressures use a more flexible tube that uncoils and coils more readily.

1091、应按照适用的飞机服务手册或维修手册完成预防性维修。