Go Back  PPRuNe Forums > Non-Airline Forums > Private Flying
Reload this Page >

Do birds fly in clouds ?

Private Flying LAA/BMAA/BGA/BPA The sheer pleasure of flight.

Do birds fly in clouds ?

Old 17th Jan 2009, 18:40
  #1 (permalink)  
Thread Starter
 
Join Date: Aug 2006
Location: Hong Kong
Age: 60
Posts: 491
Likes: 0
Received 0 Likes on 0 Posts
Do birds fly in clouds ?

US Air birdstrike incident got me thinking about whether birds fly in clouds and if they do what do they use as attitude reference.

Does anyone know ?
rmac is offline  
Old 17th Jan 2009, 19:17
  #2 (permalink)  
 
Join Date: Jul 2006
Location: 3255'22"S 15146'56"E
Age: 38
Posts: 594
Likes: 0
Received 0 Likes on 0 Posts
Only if they have IMC rating or an IR.

Sorry... Couldn't resist
L'aviateur is offline  
Old 17th Jan 2009, 19:25
  #3 (permalink)  
 
Join Date: Feb 2003
Location: Oxford
Posts: 2,042
Likes: 0
Received 0 Likes on 0 Posts
I was always taught, basically no. They are day VFR only.

Tim
tmmorris is offline  
Old 17th Jan 2009, 19:33
  #4 (permalink)  
 
Join Date: Oct 2005
Location: USA
Posts: 3,218
Likes: 0
Received 0 Likes on 0 Posts
I've had two significant bird strikes at night, each at 10,000', both about 0100 in the morning. One in a Cessna 182, and the other in a Learjet 35A. The Cessna was messy, but undamaged (it was a big bird), and the Learjet's radome was shattered and the copilot side windshield damaged.

Birds are found in instrument conditions. I've found them there. I have no idea how they maintain their attitude or their direction, but I've seen birds, usually larger ones, in IMC on occasion.
SNS3Guppy is offline  
Old 17th Jan 2009, 19:37
  #5 (permalink)  
 
Join Date: Dec 2006
Location: Northumberland UK
Age: 79
Posts: 55
Likes: 0
Received 0 Likes on 0 Posts
Owls are night rated and equipped (and oh so silent) In fact night aerobatic. One passed me walking dogs half an hour ago at head height pulled up and virtually stall turned onto a branch. Very skilful!
bonniejack is offline  
Old 17th Jan 2009, 19:38
  #6 (permalink)  
 
Join Date: May 2001
Posts: 10,815
Likes: 0
Received 0 Likes on 0 Posts
Acording to our Birdy there are a couple of types of goose that do, and for that matter IMC as well at anywhere between 1000ft and 15000ft.

But only when migrating they have one thing in common they are all bigger than the caa Seagull.

If you goggle about it there are quite a few articles on the subject
mad_jock is offline  
Old 17th Jan 2009, 19:52
  #7 (permalink)  
 
Join Date: Jun 2001
Location: due south
Posts: 1,332
Likes: 0
Received 0 Likes on 0 Posts
The bar tailed godwit migrates to/from Alaska/New Zealand.

One female bird been tracked flying the southbound leg non-stop in 8 days, a distance of 7270 miles !

She maintained speeds of between 30mph and 44mph, at altitudes of up to 6,500 ft., so had plenty of night flying experience at the end of that trip.
I wonder what the chances are of completing the trip in the northern hemisphere autumn/southern spring without going IMC at some point.
henry crun is offline  
Old 17th Jan 2009, 21:28
  #8 (permalink)  
LH2
 
Join Date: May 2005
Location: Abroad
Posts: 1,172
Likes: 0
Received 0 Likes on 0 Posts
Some more commentary in this thread over at Tech Log
LH2 is offline  
Old 17th Jan 2009, 22:10
  #9 (permalink)  
 
Join Date: Jan 2008
Location: London
Age: 67
Posts: 1,268
Likes: 0
Received 0 Likes on 0 Posts
my girlfriend does not have an IMC
vanHorck is offline  
Old 18th Jan 2009, 01:07
  #10 (permalink)  
 
Join Date: Aug 2005
Location: Where the wifi connects automatically
Age: 40
Posts: 60
Likes: 0
Received 0 Likes on 0 Posts
Do they comply with the quadrantal rule? Thanks, I'm here all week.
tom_ace is offline  
Old 18th Jan 2009, 21:13
  #11 (permalink)  
 
Join Date: Sep 2000
Location: UK
Posts: 263
Likes: 0
Received 0 Likes on 0 Posts
You will find the big birds at high alt's (can be > FL300) and at night as well.
Smaller birds fly at night but most will not fly very high.
AC-DC is offline  
Old 19th Jan 2009, 09:04
  #12 (permalink)  
 
Join Date: Dec 2004
Location: Under the clag EGKA
Posts: 1,021
Received 0 Likes on 0 Posts
I have seen pigeons dropping out of the clag.
effortless is offline  
Old 19th Jan 2009, 11:31
  #13 (permalink)  
 
Join Date: Jan 2001
Location: In the boot of my car!
Posts: 5,982
Likes: 0
Received 0 Likes on 0 Posts
I was always taught, basically no. They are day VFR only.

Tim
Birds most certainly do fly at night one of my heaviest bird strikes was in the pitch black. A heavy bang on the screen which after landing was covered in blood and mess.

I have also had an Eagle fill the screen over the Alps at 14000 feet. It was a fantastic sight to see that bird of prey drop a wing and avoid my aircraft at such close proximity.

Also had another large bird miss the prop and hit the tail on my second solo many moons ago in a C152 the sound was horrendous and scared the Sh~t out of me

In cloud ? Not yet

Pace
Pace is offline  
Old 19th Jan 2009, 16:23
  #14 (permalink)  
 
Join Date: Jun 2003
Location: EuroGA.org
Posts: 13,787
Likes: 0
Received 0 Likes on 0 Posts
I've seen huge vultures over Spain at c. 9000ft.

You will find the big birds at high alt's (can be > FL300) and at night as well.
They are not as attractive as they used to be, though Virgin are still doing all they can to keep up the reputation. I do agree some of the low cost airline ones are pretty big...
IO540 is offline  
Old 19th Jan 2009, 16:48
  #15 (permalink)  
 
Join Date: Jun 2006
Location: Maders UK
Age: 57
Posts: 806
Likes: 0
Received 0 Likes on 0 Posts
My two bird strikes were day VFR. Both in a helicopter at around 1000ft within 10 miles of the coast.

I have never seen a bird (or much else) in IMC or at night.
I do hear migrating birds flying over my place in Cornwall at dawn and dusk.

IO540 - Sir Richard B's airline seems to be the only one valuing aesthetics these days .

Perhaps we could have som input from the cabin crew forum here?
Which airline has the hottest (female) cabin crew?

SB
scooter boy is offline  
Old 19th Jan 2009, 17:18
  #16 (permalink)  
LH2
 
Join Date: May 2005
Location: Abroad
Posts: 1,172
Likes: 0
Received 0 Likes on 0 Posts
I've seen huge vultures over Spain at c. 9000ft.
So have I, in huge swarms. They mostly congregate around the real estate market.
LH2 is offline  
Old 19th Jan 2009, 17:19
  #17 (permalink)  
 
Join Date: Jan 2009
Location: In my head
Posts: 128
Received 1 Like on 1 Post
Birds do fly at night, and are able to fly in cloud, although probably not for long periods of time.

Large species of vultures (Gyps) can be seen at altitudes of around 10-15000ft.

Ruppels Vulture Gyps rueppellii holds the record for high flying - more than 37000ft. (Bird Migration By Thomas Alerstam, David A. Christie, Astrid Ulfstrand - Cambridge University Press)

This vulture is generally seen in the regions of central Africa.

Species of ducks, geese and swan and waders are examples of long distance migratory birds.
Helol is offline  
Old 19th Jan 2009, 17:38
  #18 (permalink)  
 
Join Date: Jan 2007
Location: Pembrokeshire UK
Posts: 343
Likes: 0
Received 0 Likes on 0 Posts
Migrating geese fly at upper flight levels, and I remember seeing a pic of a goose strike on the wing of DC 10. There was a report in New Scientist which suggested this to be normal goose procedure to take advantage of jet streams. It was also suggested that the birds would be in a "low metabolic state" which presumably means they would not be keeping a good lookout
vee-tail-1 is offline  
Old 19th Jan 2009, 18:47
  #19 (permalink)  
 
Join Date: Jun 2003
Location: EuroGA.org
Posts: 13,787
Likes: 0
Received 0 Likes on 0 Posts
They mostly congregate around the real estate market.
Not any more surely, since the bottom fell out of the UK one
IO540 is offline  
Old 20th Jan 2009, 16:07
  #20 (permalink)  
 
Join Date: Dec 2002
Location: Herefordshire
Posts: 545
Likes: 0
Received 0 Likes on 0 Posts
I hit a big one at BHX!

Back in 2000 (IIRC have to check my log-books) I hit a biggie at 1200' in dense clag whilst on R/W 15 ILS. Not sure what type but it could have been a large gull ... certainly plenty of sh*t and white feathers... and a nice dent on the port-wing leading-edge of the KingAir too! Miss those days. bm
BoeingMEL is offline  

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell or Share My Personal Information

Copyright © 2023 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.