Hearing Protection Devices for Aviation and Transportation Industry
Aviation and transportation industry is by far the worst hit in terms of noise pollution. According to Overview of Current Aviation Noise Issues, ‘83% of respondents indicated that noise issues outside DNL 65 were “important,” “very important,” or “critical” to their airport’. Combined with such noises is aircraft noise which is produced by aircraft and its other working components during flight, take off and landing.
The different types of noise may include aerodynamic noise, mechanical defect noise and other noise caused due to mechanical and electronic parts. There have been many noise mitigation programs devised to overcome noise problems in aviation sector. Many legislative controls and design variations have been implemented in aviation design.
According to Wikipedia, Modern high-bypass turbofan engines, for example, are quieter than the turbojets and low-bypass turbofans of the 1960s. First, FAA Aircraft Certification achieved noise reductions classified as ‘Stage 3’ aircraft; which has been upgraded to ‘Stage 4’ noise certification resulting in quieter aircraft. This has resulted in lower noise exposures in spite of increased traffic growth and popularity.
Although the industry has become aware of noise problems and mitigation programs are underway, ground level staffs are not adequately protected from high noise level. This is where simple and elegant ear muffs and ear plugs play a vital role.
The effectiveness of these new-age hearing protection devices is a major boost for the safety and communication needs of the aviation industry. Aviation security, maintenance and ground staff can now easily communicate and hear clear audible speech while wearing optimum industrial hearing protection.
Technology aided hearing aids recognize the different properties of speech and background noise thereby allowing noise to be suppressed without distorting or blocking speech. The technology reduces background noise to comfortable levels while retaining the original sound characteristics of noise. This allows users to retain awareness of their surroundings for optimum safety.
These aids also provide for complete high noise communication solution – some of the high class features include –
- Face to Face communication – anyone in vicinity
- Short Range communication – up to 50 metres
- Long Distance communication for easy connection
- Two Way Radio or Bluetooth Cell Phone as well
Considering the wide benefits offered by hi-tech hearing protection devices, it is highly recommended to use them in aviation and transportation industry.
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