The Invented test Instrument (Figl) is a simple, cost effective, efficient and a user friendly instrument to test the status of Landing Gear Unlocks, Landing Gear Down Locks, Door Unlocks & Door Open Limits. Previously, there were no automated instruments available to test the status of Landing Gear Uplock, Landing Gear Down Lock, Door Uplock & Door Open Limit. The checking was done manually, hence it was time consuming & human errors reduced the accuracy. The Invented test Instrument has mating connectors to connect with the of Landing Gear Unlocks, Landing Gear Down Locks, Door Unlocks & Door Open Limits. The instrument (Fig2) is operated by batteries & the below mentioned status are displayed with LED"s • Landing Gear Uplocks are in uplocked or unlocked condition • Landing Gear Down Locks are in down locked or released condition • Door Uplocks are in locked or unlocked condition • Door Open Limit is attained or not The advantages are as mentioned below, • Time required to resolve the snag is minimal. It takes only 10 seconds to check each unit. It takes less than 15 minutes to check all Landing Gear uplocks (3 Nos), Landing Gear Down locks (3 Nos) & Door uplocks (12 Nos) & Door Open limits (4Nos) • No logistics are required (i.e. multimeter, pins with pigtail/sockets with pigtail etc.) • All human errors are eliminated. • Single person is enough. With a little training even unskilled employee can do this job accurately. Very easy, just mate the connector and switch on the instrument. The LED"s will glow to indicate the Uplock, Downlock & Open Limit status.
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