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Sound On Approach  
User currently offlineDufo From Slovenia, joined May 1999, 798 posts, RR: 4
Posted (14 years 5 months 2 weeks 4 days 11 hours ago) and read 1334 times:

While me and my friend were spotting planes at Brnik Airport (LJLJ) we have heard something I've heard before but never bothered about it.

When the CRJ-200 passed above us to land (we were about 3000ft in straight-line from threshold), we both heard very loud 'air-sound' (something like very loud and uneven shooosh) for about 10 seconds.

Is this made by the wings itself or winglets (Tu134 landing 10 minutes later did not have this effect but had very nice smoke contrails and sound!  ?

Thanks,

Jernej


I seriously think I just creamed my pants without any influence from any outside variables.
7 replies: All unread, jump to last
 
User currently offlineD L X From United States of America, joined May 1999, 11354 posts, RR: 52
Reply 1, posted (14 years 5 months 2 weeks 4 days 9 hours ago) and read 1165 times:

Yup, that is a fairly common sound caused by wake vortices. You'll hear that on all birds in varying degrees from geese and ducks to 747-400s.


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User currently offlineJtb106 From , joined Dec 1969, posts, RR:
Reply 2, posted (14 years 5 months 2 weeks 4 days 9 hours ago) and read 1152 times:

Yeah, that's what it is. Although I did once convince my niece that it was Wonder Woman's invisible airplane landing.

User currently offlineAirman99o From Canada, joined Aug 1999, 975 posts, RR: 1
Reply 3, posted (14 years 5 months 2 weeks 4 days 9 hours ago) and read 1150 times:

Hey There,
I have heard this many times watching the planes land here in St. John's. Another time I ws a very good distance from the Airport and a B-767 was flying overhead and all I heard was a low wooshing sound, it started out kinda high pitched and then went low sounding. It lasted for about 5-10 seconds. I think that it was the flaps getting ready for the landing. Also the BAe 146 makes a sound like that when it takes off and when it lands. it is kinda nerve racking if it is your first time flying on the aircraft and not paying attentition to the flight announcments!!

Hope this helps!!

Airman99o



Safety is Everyones Responsibility.
User currently offlineDnalor From Australia, joined Mar 2000, 369 posts, RR: 0
Reply 4, posted (14 years 5 months 2 weeks 3 days 13 hours ago) and read 1115 times:

Where I lived was very close to the airport, when 737's were on short final on a quiet evening the wake vortices would stream down thru my driveway and make the wierdest sound you have ever heard, used to amaze my friends but scared the hell outa me the first time i heard it as it was about 5-10 seconds after the aicraft had passed.

User currently offlineBruce From United States of America, joined May 1999, 5056 posts, RR: 15
Reply 5, posted (14 years 5 months 2 weeks 3 days 2 hours ago) and read 1099 times:

Try going down to DCA across the river from Washington DC.

You get extremely close to the runway in the park there and the planes come right over head. I heard that noise right after the plane passed. It was so wierd...like a wind-whipping sound for a few seconds. Great.



Bruce Leibowitz - Jackson, MS (KJAN) - Canon 50D/100-400L IS lens
User currently offlineKaplano1 From , joined Dec 1969, posts, RR:
Reply 6, posted (14 years 5 months 2 weeks 2 days 16 hours ago) and read 1082 times:

Here in Sydney when a B737 lands you always hear the sound of the wing tip vortices. I think it sounds like "Gift Rapping or Newpaper" being rustled around. You also see the vortices appear off the wings and flaps, states, etc of aircraft when they are on short finals.

User currently offlineDnalor From Australia, joined Mar 2000, 369 posts, RR: 0
Reply 7, posted (14 years 5 months 2 weeks 1 day 1 hour ago) and read 1074 times:

Yes both of those sound descriptions are spot on.

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