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AWB 02-056 Issue 1 - Vortex Generators and Aerodynamic Configuration Control for Small Single and Twin Engined Aircraft

To advise operators and maintainers regarding possible unsafe conditions, including loss of control (LOC) which may result from one or any combination of the following: (a) Subtle wing surface defects upstream of the VG array. (b) Possible unfavourable interaction between unapproved configurations or combinations of aerodynamic performance enhancing STCs. (c) An incorrectly configured aircraft, including manufacturer’s boundary layer control devices, i.e. leading edge stall strips, and engine configuration.
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