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Noise Levels inside aircraft?
- Thread starter Popo Jijo
- Start date
I can't give you any hard data on decibles, but anecdotally with a helmet and ear plugs, the noise level is very manageable and doesn't make me uncomfortable. I wear foamies under my helmet instead of CEPs. With the foamies it's quiet enough and they don't impede me from hearing the radios or any of the litany of tones/voices the jet has. Someone else may be able to give you a number but double hearing protection is a must.
The engines aren't as loud as you may think, all the sound is behind you. I feel like the air moving over the cockpit and the wings is louder than the motors.
However, after spending 1500 hours in a helo...I can't hear shit anyway. It's definitely not that loud.
However, after spending 1500 hours in a helo...I can't hear shit anyway. It's definitely not that loud.
@Popo Jijo, If I'm following your signature correctly it goes: UGA, Miami Dolphins.... Mazda?
Popo Jijo
Primary Complete
You are correct! I just wish the first two would live up to my expectations and win something.
Popo Jijo
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Interesting. It all makes sense as far is it being manageable, but it was something I just happened to think about.
Helo's are another aircraft I was wondering about, but I don't think I will ever end up on one of those (unless I happen to be in an emergency
).
In the hornee' the noise isn't at all the motors. Charlie guys know what I'm talking about because you have cycled both gens and the battery off with the motors running to clear basically anything, generally to the detriment of everything else that wasn't previously broken. Anyway, once the avionics cooling fan and electrical busses are off, the noise is almost imperceptible. It's all the electronic gear and ECS stuff that makes the noise and even that is not noticeable with a helmet and foamies in
I can't give you a decibel level for the Harrier, but it is ungodly loud in the cockpit without proper protection. If you've ever been forward of the wing on a turning Harrier, you've heard the high pitch whine it makes. It's certainly no quieter in the cockpit. It's louder in front of the motor and the cockpit is pretty much RIGHT THERE.
I've taken my helmet off in both the T-45 and the Harrier. I remember the T-45 being a little loud, but the Harrier is painfully loud... like holding your mouth open and cringing loud.
With molded or foamy CEPs and a helmet, it's still perceptibly loud. Tinnitus is part of the job unfortunately.
I've taken my helmet off in both the T-45 and the Harrier. I remember the T-45 being a little loud, but the Harrier is painfully loud... like holding your mouth open and cringing loud.
With molded or foamy CEPs and a helmet, it's still perceptibly loud. Tinnitus is part of the job unfortunately.
The Army has taken a novel approach to hearing loss.... They arent qualifying it as disability anymore. Boeing has also published a paper saying that our hearing protection in the 64 is inadiquate due to the frequency of the sound not just the dB level. The back seaters head is 5 feet from a Transmission, 2 engines, and 2 nose gear boxes that make a whole lot of high pitch racket. Ive had to take my helmet off a few times in flight for issues.... dont ever want to do that again.
These are out of the Army Aero Medical Manual.
These are out of the Army Aero Medical Manual.
Popo Jijo
Primary Complete
Wow, that is loud. Even with the hearing protection on the chart.
It really is ridiculous that all the snake eater cool guys and all the special airframe guys in AFSOC get special noise cancelling headphones. Normal Aviation... meh fuck those guys. And we wonder why every crew chief E7 is deaf as hell.