ENGINE NOISE

ENGINE NOISE Jet engine noise can cause temporary or permanent hearing loss. Hearing loss occurs when your unprotected ear is exposed to high sound intensities for excessive periods of time. The higher the sound level, the less time it takes to damage your hearing. Without ear protection, persons exposed to sound intensities above 140 dB (decibels) for any length of time may suffer serious hearing damage. You must wear proper ear protection at all times. You should wear double hearing protection when working around turning aircraft. As an Airman, you must be familiar with all aircraft general safety precautions as well as those peculiar to your squadron. The life you save may be your own. Q6-22. What device must be installed before all maintenance turnups? Q6-23. List the two most serious hazards when working around engine exhausts? Q6-24. Why should you wear ear protectors when working around jet engines? SUMMARY In this chapter, you have been introduced to jet and gas turbine engines. You have learned basic operating principles and how various parts of these engines operate. 6-20