This document provides supplemental information to the applicable manual.

A. If the airplane has not been tested for twirl characteristics and recovery methods, a discussion shall be included on the limited conditions for preventing spins and the possible best recovery techniques, and it shall be stated that no testing has been conducted and that the recovery techniques are based on the manufacturer＇s best comment.

B. If the airplane has not been tested for spin characteristics and recovery methods, a discussion of prevention of spins and probable best recovery techniques will be included with a notation that no tests were made and the recovery techniques are based on the best judgment of the manufacturer.

C. If the aircraft has not been expanded for spin features and recovery ways, prevention of spin and possible best recovery techniques are discussed and it is determined that no exams have been performed and that recovery techniques are based on the manufacturer＇s best judgment.

A. The pitot tube is on the external forward part of the airplane.

B. You may find the pitot probe on the front internal side of the fuselage.

C. The pitot probes are located on the forward external part of the airplane.

A. 如果发现铜颗粒, 在发现之日起的30天内重复执行整个程序(机轮不承重)。

B. 如果发现金属碎屑，从即日起在30天内完成整个修理程序（机轮承重）。

C. 如果发现琥珀色指示参数，针对发现的数据在30天内重复所有程序（机轮离地）。

A. L1 entry door life vests were not installed by flight crew.

B. Life vests at L1 entry door flight crew station not install.

C. Life vests were not installed at L1 entry door flight crew station.

A. 单词在英语中通常有许多不同的意思。

B. 词组在英语中通常有许多难的意思。

C. 单词在英语中通常有许多难的含义。

A. Metal objects attract magnetic interference.

B. Magnetic interference can occur to the metal objects.

C. Metal objects can cause magnetic interference.

A. 参考制造商的指示说明来校准测试装置。

B. 参考运营商的说明来校准测试装置。

C. 要调节测试装置，请参考制造商手册。

A. Do not go beyond this speed or Mach number besides in steady air, and then be careful.

B. Do not increase by this speed or Mach number unless in steady air, and be careful.

C. Do not exceed this speed or Mach Number except in smooth air and then only with caution.

A. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.

B. Water displaying corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.

C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.

A. 检查叶片是否有裂纹。

B. 检查刀片是否有擦伤。

C. 检查叶片是否出现凹坑。