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QNC's route to Stage 3
Quiet Nacelle's (QNC's) earlier JT3D Stage 2 hushkit for 707-100s and OC-135Bs forms the basis of its Stage 3 upgrade package. To achieve Stage 3 compliance, an inner acoustic ring is located co-axially within the engine intake. The inner ring will be fully anti-iced and certificated for bird strikes. Additional ...
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