down lock


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down lock

[′dau̇n ‚läk]
(aerospace engineering)
An airplane mechanism that locks the landing gear in a down position after the gear is lowered.

down lock

A device for locking retractable landing gear in the extended or down position. These locks may be mechanical, hydraulic, electrical, or a combination of two or more types.
References in periodicals archive ?
Parker broke through three Vale defenders and when he was finally hauled down lock Brent Cockbain was in support to force his way over for a try converted by Little.
But Irish needed a penalty try to guarantee themselves both points, with Quins being punished by referee Ed Morrison for hauling down lock Malcolm O'Kelly when they had not retreated from a quick penalty barely five metres out.
After referring to the technical order, Maj Schaare used the down lock override feature to lower the gear handle.
After completing the landing gear alternate extension checklist with the same indications, the crew decided to leave the nose gear down lock handle installed and pinned the nose gear down.