NTSB Revises Probable Cause of 2018 Citation Crash

Upon review, investigators determined that Tamarack winglets were not a factor.

Thursday, February 29, 2024 at 08:04 PM ET

Verified

The aircraft involved in the accident (not pictured) was equipped with Tamarack active winglets. [Courtesy: Tamarack Aerospace Group]

Key Takeaways:

The National Transportation Safety Board (NTSB) has reversed its original finding that Tamarack winglet design contributed to a 2018 fatal Cessna CitationJet crash.
The revised probable cause now states the accident was due to the pilot’s inability to regain control after an uncommanded left roll, the initial reason for which could not be determined.
Investigators noted that the pilot likely did not follow critical emergency procedures, such as reducing engine power and deploying speedbrakes, which could have helped regain control.

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The National Transportation Safety Board (NTSB) has revised its assessment of a 2018 fatal accident involving a Cessna CitationJet CJ2+ equipped with Tamarack winglets, reversing its position that the winglet design contributed to the crash.

The aircraft was equipped with Tamarack Aerospace Group’s active technology load alleviation system (ATLAS), which operated independently of other airplane systems.