BITE, SEE - BUILT-IN TEST EQUIPMENT                    機內自測系統，

                                                         見 Built-in Test Equipment.

BLANK DISPLAY, A display that does not have any        空白顯示，

indications, normally due to failure.                    通常因故障而造成的顯示器上沒有任何指示。

BLACK BOX, A container for electronic circuits to record 黑匣子，

flight data.                                             裝有用于記錄飛行數據的電路系統的容器。

BLEED AIR, Air taken from the engine to power various  引氣，

aircraft accessories.                                    取自發動機而用以驅動飛機上之各種附件的空氣。

BLEED VALVE, A valve in the pneumatic system for air   引氣活門，

supply from the engine or auxiliary power unit to the    氣源系統內，使來自發動機或輔助動力裝置的空氣進人

pneumatic manifold. A valve on the engine for reducing 氣源支管的活門。發動機上，用來降低壓氣機壓力的活門。

pressure in the compressor section.

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英漢對照民用航空詞典                                    BOEING

BLOCKER DOOR, A device on the engine for blocking   阻流門，

the normal airflow during thrust reverser operation.  發動機上的一個裝置。在反推工作時用于阻擋正常的

                                                    氣流。

BLOWER, An electrically operated fan for circulating air. 鼓風機，

                                                      用來使空氣循環的電動風扇。

BLOWOUT PANEL, A panel in the structure between     卸壓口蓋，