maximum permissible noise level

допустимые уровни шума, допустимые значения шума; предельно-допустимые величины

допустимые уровни шума, допустимые значения шума; предельно-допустимые величины

noise n acoustic noise actual noise level measurement actual sideline noise level aerodynamic noise aggregate noise duration aircraft noise abatement operating procedures aircraft noise annoyance aircraft noise certificate aircraft noise pollution aircraft noise prediction program airport noise contour ambient noise ambient noise level approach noise angle approach noise level approach noise measurement approach noise path approach noise reference point atmospheric noise attenuate noise augmented lift system noise certificated noise level Committee on Aircraft Noise community noise level composite noise rating continuous perceived noise level contour of perceived noise corrugated noise suppressor current noise technology standard design noise level dipole-type noise field directional noise measurement duration of noise effect environment control system noise equal noise contour exhaust noise suppressor flight test noise measurement flyover noise flyover noise level flyover noise limit flyover noise measurement flyover noise test generalized noise characteristics ground run-up noise abatement ignition noise jet noise jet noise prediction technique landing noise lateral noise measurement distance level flight noise requirements main rotor noise maximum permissible noise level measured noise data minimum noise procedure minimum noise route noise abatement device noise abatement measures noise abatement procedures noise abatement takeoff noise abatement technique noise abatement thrust cutback noise absorbing wedge noise absorption noise absorption coefficient noise annoyance rating system noise attenuation noise cancelling noise carpet noise certification approach path noise certification procedure noise certification reference conditions noise certification scheme noise certification standard noise certification takeoff flight path noise certification test conditions noise characteristics noise charge noise control noise control technique noise curfew noise directivity noise dissipation noise disturbance noise dose contour noise environment noise evaluation noise evaluation method noise evaluation procedure noise exposure assessment method noise exposure contour noise exposure forecast noise field noise filter noise floor noise footprint noise generation noise immunity noise insulation noise level noise level attenuation curve noise level radiation noise level value noise map noise measurement location noise measurement procedure noise meter noise monitoring noise muffler noise path noise path length noise preferential route noise preferential runway noise pressure level noise propagation noise propagation pattern noise reduction noise reduction modification noise reduction requirements noise scale noise sertification test noise spectrum noise suppression noise suppression device noise suppressor noise test noise thrust correction originate noise peak perceived noise level permissible noise level radio noise reduce noise reduce noise level reverse thrust noise solar noise standard noise level subsonic noise standard take-off noise takeoff noise takeoff noise angle takeoff noise test test noise turbulence-induced noise unit noise duration

level n above ground level above mean sea level acoustic reference level actual noise level measurement actual sideline noise level aerodrome level aircraft cost level altitude above sea level ambient noise level approach noise level arrival flight level at the ground level automatic level control background level battery electrolyte level be on the level on the hour certificated noise level cloud level community noise level continuous perceived noise level correlation of levels cruising level day-night sound level departure flight level design noise level deviation from the level flight en-route change of level eye level path fare level flight level flight level table fly at a low level fly level flyover noise level freezing level fuel level gage fuel low level switch (в баке) ground level high level network high level significant weather chart holding flight level illumination level international standard atmosphere level keep level layer between levels level attitude level control level cruise level down level flight level flight noise requirements level flight path level flight time level flying level gage level graticule level information level landing level of airworthiness level off level of safety level of speech interference level slope direction level switch (напр. топлива) level the aircraft out level turn level up liquid level switch (гироскопического прибора) lower flight level low level wind-shear alert system maintain the flight level maximum permissible noise level mean sea level mean sea level pressure minimum cruising level minimum level noise level noise level attenuation curve noise level radiation noise level value noise pressure level odd flight level oil level hole oil level tube output level overall sound pressure level peak perceived noise level permissible noise level pilot ability level pilot experience level precision sound level meter preset flight level reach the flight level recording level reduce noise level reference fare level remain level report reaching the flight level runway level safe level safety level sea level sea level atmospheric density single level overflight measurement skill level slope of level (шумов) sound exposure level sound level history sound level meter sound pressure level staggered flight level standard foreign fare level standard industry fare level standard noise level table of cruising levels takeoff surface level tank level indicator target level of safety tariff level factor threshold level transition level upper flight level upper level control area usable flight level

maximum permissible noise level permissible interference permissible noise level permissible operating speed

ensure maximum reliability maximum apron mass maximum certificate takeoff mass maximum continuous power maximum continuous thrust maximum engine overspeed maximum limit speed maximum load maximum permissible noise level maximum permitted landing weight maximum permitted mileage maximum permitted weight maximum ramp mass maximum speed governor maximum speed limiting system maximum takeoff weight maximum threshold speed maximum wind chart

- median significance level - minimum safe level - nominal significance level - optimum factor level - preset level - tolerable level - tolerance level

- level of business - level of concentration - level of contracting - level of efficiency - level of engineering - level of pollution - level of subsoil water - level of water supply - above-ground level - above-sea level - adjusting level - air level - air-intake level - allowable level - appropriate level - automatic level - balance level - banked-up water level - benchmark level - bottom level - breathing level - carpenter's level - check levels - construction level - control level - curb level - datum level - datum water level - design level - diaphragm level indicator - drawdown level - dumb level - dust level - engineer's level - experience level - fault float-switch trigger level - first float-switch trigger level - flood level - flying level - foundation level - geodesic level - grade level - ground water level - gyro level - half-tide level - haulage level - high technical level - high water level - hydrostatic level - incline level - intensity level - low technical level - low water level - mason's level - maximum permissible level - noise level - oil level - operating level - out of level - plumb level - pollution level - precise level - preset threshold level - pressure level of sound - quality level - radiation level - radioactive contamination level - reference level - risk level - safety level - sea level - service level - skirting level - spirit level - stage level - still water level - stop level - street level - striding level - surveyor's level - technical level of the works - toxicity level - underground water level - unification level - upper pond level - ventilation level - level of bridge maintenance
- level of compaction
- level of congestion
- level of control
- level of foundation
- level of motorization
- level of organization of work
- level of service
- level of skill
- level of zero annual amplitude
- Abney level
- altitude level
- automatic level
- banked-up water level
- base level
- builder's level
- capacity level
- carpenter's level
- chambered level
- comfort level
- convenience level
- crest level
- crown level
- datum level
- dead-storage level
- design crest level
- design flood level
- design water level
- downstream level
- drawdown level
- dumpy level
- engineer's level
- equivalent water levels
- finished floor level
- formation level
- founding level
- free water level
- freezing level
- full supply level
- ground-water level
- hand level
- hanging level
- highest tailwater level
- highest water storage level
- high-water level
- invert level
- laser level
- liquid level
- locator's hand level
- Locke hand level
- loudness level
- lowest operating water level
- maintenance level
- mason's level
- natural water level
- noise level
- normal water level
- piezometric level
- pumping level
- quality level
- reduced level
- rod level
- safe-health level
- self-leveling level
- sound level
- sound power level
- spherical level
- spirit level
- standing-water level
- stress level
- surcharged reservoir level
- tailwater level
- threshold level
- top level
- top water level
- upstream level
- workability level
- wye level
- Y level
- yield stress level