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Gulfstream American Gulfstream 2 (N20H) - Reg: N20H Cn: 51 Hubbard Broadcasting, Inc. Gulfstream American G-1159 Gulfstream II-SP The attached Hubbard Aviation Technologies QS3 hushkit system brings the jet below the Stage-III noise standard and consists of 3 main components: 1) an alternating-lobe exhaust nozzle which attenuates low-frequencies into higher frequencies (between T/R and ejector); 2) a titanium-core ejector which absorbs the converted higher frequency noise (right-side w/ HAT-QS3 decal); 3) new cascade-style thrust-reversers to accommodate the attached ejector (left-side, attached to the end of the OEM Rolls-Royce Spey RB.168 Mk 511-8 turbofan engine).
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Gulfstream American Gulfstream 2 (N20H)

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Reg: N20H Cn: 51 Hubbard Broadcasting, Inc. Gulfstream American G-1159 Gulfstream II-SP The attached Hubbard Aviation Technologies' QS3 hushkit system brings the jet below the Stage-III noise standard and consists of 3 main components: 1) an alternating-lobe exhaust nozzle which attenuates low-frequencies into higher frequencies (between T/R and ejector); 2) a titanium-core ejector which absorbs the converted higher frequency noise (right-side w/ HAT-QS3 decal); 3) new cascade-style thrust-reversers to accommodate the attached ejector (left-side, attached to the end of the OEM Rolls-Royce Spey RB.168 Mk 511-8 turbofan engine).

16 of N20H 735 of GLF2 148 at KSTP
Rob Rominski
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