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Mandatory Technical Directive issued for Sting S4

29 Sept 2023

LAA has been working with TL StingUK to correct an issue found during the flight testing of the factory-built version of the aircraft. It was found that the type would consistently drop the starboard wing more than the permitted maximum during a wings-level stall.

LAA Mandatory Technical Directive MTD-01-2023 has been issued that requires the installation of a stall strip on the starboard wing and two stall strips on the port wing, along with restricting the elevator travel, in accodance with TL StingUK service bulletins 0002 and 0003, before further flight.

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