The FAA today issued an airworthiness directive effective immediately that grounds all Cessna Citation CJ 525, 525A and 525B models operating with Tamarack active load alleviation system (ATLAS) winglets installed in accordance with STCSA03842NY. The agency said malfunctioning of the ATLAS could lead to loss of control of the entire aircraft.
FAA Grounds Citation 525s With Tamarack Winglets
Key Takeaways:
- The FAA has issued an immediate airworthiness directive, grounding all Cessna Citation CJ 525, 525A, and 525B models equipped with Tamarack active load alleviation system (ATLAS) winglets.
- This grounding is due to concerns that a malfunctioning ATLAS could lead to a loss of aircraft control, following similar actions by EASA and reported upset events.
- Unlike EASA, the FAA does not permit operation with the ATLAS disabled, mandating a full grounding until an FAA-approved modification (estimated at $175) is incorporated.
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