Questions tagged [birds]

For questions about bird strikes and other aviation safety issues related to birds

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30
votes
2answers
8k views

Why was a flight delayed because of a bird in the cockpit?

This Washington Post article is about a Delta Airlines flight that took off after an initial delay, before turning back again shortly after, because of a bird that managed to stowaway in the cockpit. ...
24
votes
1answer
6k views

What kind of g-forces do birds experience and how does it compare to humans? [closed]

So bit of an odd one, but I was just looking at a sea-gull flying and wondering what kind of G-forces it could see in day to day flight? There are probably very fast birds of prey that when pulling ...
19
votes
6answers
9k views

What are the ways to keep the birds away from airfields?

I know bird strikes are a major issue for many airports, and that measures are taken to keep birds away. There are some obvious things airports can do like not to have any stray garbage, food, etc. in ...
16
votes
3answers
2k views

What is the best strategy for landing when a flock of birds is on the runway?

At a controlled airport, the tower advises large flocks of small birds at the approach end of the runway. I'm in a small trainer aircraft like a Cherokee or Cessna 172. Should I request to land the ...
8
votes
2answers
2k views

How are jet engines certified against birdstrikes?

I recall that during US1549's birdstrike incident that resulted in it landing on the Hudson, a large amount of migrating geese weighing upto 20lbs each were sucked into the A320's engines — far ...
7
votes
1answer
361 views

What happens to EGT after a bird strike?

I just watched the movie "Sully", and I really enjoyed the effort put into making the movie as accurate as possible. As I'm working towards my PPL, I decided to apply some of my new aviation ...
6
votes
3answers
568 views

Can a bird strike destroy the stealth capability of F-35?

There is a video according to which a F-35 aircraft has been struck by a bird in Israel. This, allegedly, disabled its stealth capability. More than a year earlier, two storks allegedly damaged ...
6
votes
1answer
1k views

Does weather radar scare off birds?

I was told a long time ago that having the weather radar turned on when at low altitudes helps to scare birds out of your way because the can sense/feel the radar. Casey also mentioned this in ...
5
votes
3answers
755 views

Can a drone hitting a plane be mistaken for a birdstrike?

Could a bird-sized consumer drone be digested by a jet engine, and not be recognized as a drone, mistaking it as a bird strike? I'm thinking of the situation during the flight - like an engine ...
4
votes
1answer
315 views

What is the minimum recommended cruising altitude to avoid bird strikes?

I was surprised to see geese flying some 200 ft above my aircraft at 2000 ft MSL. I obviously would like to avoid them but I am based too close to the New York City Class B, where there are much ...
3
votes
3answers
375 views

Has anybody done gliding experiments with exact replicas of the birds or other real world flying creatures?

The most obvious way to verify if birds are stable or not in at least gliding flight would be to make the exact rigid model of the bird (including weight distribution) and launch it into flight. The ...
3
votes
0answers
286 views

Could an AN/APG-79 AESA radar “lock-on” a single bird?

Could a fighter pilot in 2015 using an AN/APG-79 AESA radar "lock-on" a single bird? I know that modern radars like the AN/APG-79 in modern combat aircraft like the F/A-18F filter out false alarms ...
1
vote
2answers
263 views

How do balloon pilots avoid birdstrikes?

Balloons, by their very nature, are at the mercy of the wind, and can’t maneuver out of the way of other objects except by (very slowly) climbing or descending. For this reason, mid-air collisions ...
1
vote
2answers
278 views

What are (wing area)/(weight) ratio in birds and airplanes? [closed]

I like to know the usual ratio of wing area over weight in birds and airplanes? I mean if total weight of an airplane is 100 Lbs(Kg), how much should be the least ...
1
vote
2answers
844 views

How can seagulls slide in the wind without flapping their wings?

There are a lot of seagulls in a park near where I live. Sometimes I can see them somehow "sliding" forward or backward diagonally when flying against the wind, however, their wings aren't flapping. ...
0
votes
1answer
346 views

How are bird strikes tested in helicopters?

Bird strikes are pretty well tested for planes, but what about helicopters? Do they happen as frequent as planes and if so, what would be the possible outcomes? Do helicopter emergency procedures ...
0
votes
1answer
142 views

Why are birds attracted to airports?

Birds are usually around airside. Apart from answering it myself, I am looking for community knowledge on this topic.
-3
votes
1answer
814 views

When do birds generate more lift? Take-Off or Landing?

Good day! I am a student of aeronautical engineering and recently started studying the more natural way of flying, birds flight. After reading some scholarly articles there is still a question on my ...