Honeywell Laseref III to IV - Citation X
Upgrade Laseref® III inertial reference units (IRU) to Laseref IV for increased performance, lower weight and lower power consumption through Cessna Service Bulletin SB750-34-22. The Laseref III is obsolete and Honeywell is no longer supporting these products.
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From comfort and versatility to the latest in avionics modifications, the upgrade process is your own. Just like your aircraft. Now, it's ready for the next challenge. Let us show you what your aircraft can become.