| 摘要 |
A cargo hook for an aircraft includes a load beam mounted in a housing and pivotable relative to the housing between a closed position and an open position. A lock mechanism includes a release member that is pivotable relative to the housing between a released position, in which the lock mechanism permits pivotal movement of the load beam from its closed position to its open position, and a locked position, in which the lock mechanism prevents movement of the load beam from its closed position to its open position. A sensor senses whether the release member is in the locked position and an indicator circuit provides different respective indications when the sensor senses that the release member is in the locked position and when the sensor does not sense that the release member is in the locked position.
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