15.24 - High levels of cockpit noisein an aircraft can damagethe hearing of pilo
ID: 2915093 • Letter: 1
Question
15.24 - High levels of cockpit noisein an aircraft can damagethe hearing of pilots who are exposed to this hazard for manyhours. A Boeing 727 co-pilot collected 61 noise observationsusing a handheld sound meter. Noise level is defines as "low"(under 88 decibels) "medium" (88 to 91 decibels), or "high" (92decibels or more). These are three flight phases (climb,cruise, descent). At ox(closest I can come to character I need)=.05, is the cockpit noise level independent of flightphase? NoiseLevel Climb Cruise Descent Row Total Low 6 2 6 14 Medium 18 3 8 29 High 1 3 14 18 ColTotal 25 8 28 61 15.24 - High levels of cockpit noisein an aircraft can damagethe hearing of pilots who are exposed to this hazard for manyhours. A Boeing 727 co-pilot collected 61 noise observationsusing a handheld sound meter. Noise level is defines as "low"(under 88 decibels) "medium" (88 to 91 decibels), or "high" (92decibels or more). These are three flight phases (climb,cruise, descent). At ox(closest I can come to character I need)=.05, is the cockpit noise level independent of flightphase? NoiseLevel Climb Cruise Descent Row Total Low 6 2 6 14 Medium 18 3 8 29 High 1 3 14 18 ColTotal 25 8 28 61Explanation / Answer
15.24 - High levels of cockpit noisein an aircraft can damagethe hearing of pilo
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