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Stage 3 Noise  
User currently offlineWarreng24 From United States of America, joined Nov 2005, 708 posts, RR: 0
Posted (8 years 11 months 4 days 15 hours ago) and read 7699 times:

What exactly defines Stage 3 Noise?

Is there a listing of what A/C fall under Stage 3?
What about Stage 2 and 1 A/C?

When will their be a Stage 4? How would that affect existing A/C?

Will there be Stage 4 hushkits available?

6 replies: All unread, jump to last
 
User currently offlineGreasespot From Canada, joined Apr 2004, 3085 posts, RR: 20
Reply 1, posted (8 years 11 months 4 days 15 hours ago) and read 7677 times:

Stage 3 is a decibel noise level that is measured on take off and landing. I believe it must be less than 65 decibels (going from memory)

There is no listing of stage 3 A/C because theoretically any aircraft could fall over stage 3 with the right conditions.

mostly they are older a/c like DC 9's and 727's...737-200 etc....
Stage 4 is comming and it will probably mean those aircraft will be grounded at most of the worlds airports unless they gain an excemption.

Yes there are stage 4 hush kits avaliable. One of the first is for the MD80 series. there will not be one for older a/c as the airplane does not have enough value to up grade

GS



Sometimes all you can do is look them in the eye and ask " how much did your mom drink when she was pregnant with you?"
User currently offlineBR715-A1-30 From , joined Dec 1969, posts, RR:
Reply 2, posted (8 years 11 months 4 days 11 hours ago) and read 7604 times:

The Boeing 717 has Stage IV engines, and even meets proposed Stage V requirements. The MD80 meets Stage III, but would require a Stage IV upgrade... John Travolta would have to re-engine his 707 unless he got an exemption.

User currently offlineWdleiser From United States of America, joined Apr 2004, 961 posts, RR: 4
Reply 3, posted (8 years 11 months 4 days 10 hours ago) and read 7573 times:

These sound requirements blow.
People near airports knew what they were getting into. Always complaining about everything. How about we deal with real problems such as those presented by them stupid wanna be racecar honda civics with coffee can mufflers sounding like constipated weasles

[Edited 2005-11-27 07:09:37]

User currently offlineTimz From United States of America, joined Sep 1999, 6873 posts, RR: 7
Reply 4, posted (8 years 11 months 3 days 18 hours ago) and read 7472 times:

Somewhere the FAA website spells out what Stage 3 means. There's takeoff noise, approach noise, and sideline noise; each is measured by a noise meter at a specified distance from the runway. The allowed noise increases with increasing aircraft weight, to some extent. An aircraft might not be Stage 3 at full weight, but at lesser weight it climbs faster, so it's farther from the meter and might qualify.

User currently offlineTimz From United States of America, joined Sep 1999, 6873 posts, RR: 7
Reply 5, posted (8 years 11 months 3 days 15 hours ago) and read 7441 times:

For starters you can go to

http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?c=ecfr&tpl=%2Findex.tpl

and choose Title 14, then Part 36. Appendix A and B are what you need.

[Edited 2005-11-28 02:10:48]

User currently offlineLemurs From United States of America, joined Mar 2005, 1439 posts, RR: 4
Reply 6, posted (8 years 11 months 3 days 15 hours ago) and read 7434 times:

Quoting Wdleiser (Reply 3):
These sound requirements blow.
People near airports knew what they were getting into. Always complaining about everything. How about we deal with real problems such as those presented by them stupid wanna be racecar honda civics with coffee can mufflers sounding like constipated weasles

Nice troll, but try not to make it so obvious next time.



There are 10 kinds of people in the world; those who understand binary, and those that don't.
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