EntityQ1476975· pop 6· linked from 33 articlesHush kitSign in to saveDevice to reduce noise produced by aircraft jet enginesConnectionsturbofanEntityBoeing 737Entitymaximum takeoff weightEntityGulfstream IIEntityaircraft noiseEntityEuropeEntityEuropean UnionConceptInternational Standard Book NumberEntitydigital object identifierEntityConcordeEntityInternational Civil Aviation OrganizationEntityjet engineEntityKLMEntityBoeing 707EntityAirbus A320 familyEntityBoeing 727EntityBBC NewsEntityturbojetEntityDouglas DC-8EntityDouglas DC-9EntityCategoriesAircraft enginesAircraft noise reductionStealth technology