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  • - I think I see the chick in the nest.

  • - [Narrator] This is Laura Francoeur.

  • She's the chief wildlife biologist

  • for the Port Authority of New York and New Jersey.

  • She's been managing wildlife at airports

  • for over 20 years.

  • - And it's made a nest in the light pole up there.

  • - [Narrator] Here at New York's

  • John F. Kennedy's International Airport,

  • she says birds are the wildlife group

  • most frequently struck by aircrafts.

  • - We're located right on Jamaica Bay.

  • There's a lot of water resources around us

  • and that's very attractive to bird populations,

  • especially shore birds and waterfowl.

  • - [Narrator] And if these animals find their way

  • onto the runway, it could create a problem

  • for aircrafts taking off and landing.

  • So Francoeur is here to explain

  • why wildlife strikes can be dangerous,

  • how to mitigate them

  • and what steps are taken after a collision

  • to make sure your fight lands safely.

  • (lively music)

  • - A strike occurs when there's been wildlife

  • that strikes an aircraft

  • and that's been witnessed by someone,

  • whether that's a pilot, airline crew

  • or someone on the ground

  • or if there's damage to the aircraft

  • or if there is a carcass of wildlife

  • that's found on the ground in the runway environment.

  • - [Narrator] On average, 47 strikes are reported daily,

  • and in 2020, 94% of them involved birds.

  • Most wildlife strikes

  • are gonna occur during departure or arrival.

  • And the reason for that is they're sort

  • of in a low flight phase.

  • So the aircraft are lower to the ground

  • so they're more likely to strike wildlife.

  • - [Narrator] Francoeur says most strikes don't result

  • in any damage to the aircraft

  • and the ones that do range in severity.

  • - It could be the light on the landing gear is broken.

  • So it could be very minor

  • or it could be much more serious,

  • such as an engine ingestion

  • and they have to replace an entire engine.

  • Or the radome on the aircraft,

  • which is sort of in the nose of an aircraft

  • and there's a lot of very expensive avionics components

  • that are in there.

  • - [Narrator] Repairing these types of damages isn't cheap.

  • In 2020, for example, the cost of wildlife strikes

  • to the US civil aviation industry

  • was projected to be $124 million

  • and at least 75,000 hours of aircraft downtime.

  • - A little delay in New York,

  • like a 15-minute delay

  • can cause a ripple across the whole air traffic system

  • and we're aware of that.

  • So that's our goal is to try and keep everything moving

  • and as safe as possible.

  • - [Narrator] Airports are on especially high alert

  • for strikes in the late summer and fall

  • because of bird migrations.

  • - It's not just the movement of the birds,

  • which you get in the spring migration also

  • but the fact that now you're getting naive birds

  • that are flying for the first time.

  • They've just fledged that summer.

  • - [Narrator] During this time,

  • there could be a strike every day

  • or even multiple strikes a day.

  • (pensive music)

  • - Everything's looking for food, cover and water.

  • And so that's your first goal

  • is to eliminate or reduce the food

  • and cover and water that's available in the airport.

  • And so habitat management

  • is your go-to first stop for that.

  • And it's the best long-term strategy

  • that you can use for managing wildlife on an airport.

  • - [Narrator] One example of habitat management,

  • cutting grass to a specific height.

  • - If you have grass that's too short,

  • there's a lot of birds that like open areas

  • so that they can see the predators around them.

  • So you will attract those species.

  • And then if you have the grass height too tall

  • or when it's more unmanaged,

  • you might get a lot of small mammals,

  • rabbits and other kind of medium-sized mammals

  • that are actually hiding in the grass.

  • And that potentially can attract larger raptors, hawks.

  • - [Narrator] This is an anti-perching device,

  • another form of habitat management.

  • - And you can see that it has a pointy cap on that.

  • We worked with different shapes.

  • This was the winner here.

  • And actually, no birds perch on those anymore.

  • - [Narrator] Wildlife management staff

  • also patrol the airfield every day,

  • looking for holes underneath fences

  • where wildlife can get through,

  • nests on airport structures

  • and ponding if there's been heavy rain or snow.

  • - We're managing everything from insects,

  • spraying, pesticides and making sure

  • that we're not having wildlife such as raccoons,

  • possums, starlings, pigeons attracted to dumpsters.

  • - [Narrator] And sometimes, they'll use tools like this

  • (gun shooting)

  • to disperse birds from the runway.

  • - Pyrotechnics is one of the most common ones.

  • (gun shooting) (whistling sound)

  • It provides both a visual

  • and an auditory component

  • that will scare wildlife off the airport.

  • (car hooting)

  • Even simple things like honking the horn on our vehicle

  • or just driving with the vehicle

  • will flush a lot of birds right off the airport.

  • - [Narrator] Traps are also set up around the airfield

  • to catch starlings and pigeons,

  • which in addition to being hazards to aircraft,

  • can also draw in raptors and other birds

  • as a prey source.

  • They'll go after the bait that's up here.

  • They think that there might be more bait down below,

  • and so they'll drop down this tube.

  • It makes it very difficult for them

  • to fly straight back up.

  • - [Narrator] Some species, like this American kestrel

  • are released at least 30 miles from the airport

  • with a numbered band around their leg.

  • - From that, we get good data

  • on is that bird staying away from the airport?

  • Is it hanging around?

  • - [Narrator] So what happens when there is a strike?

  • - If a pilot calls in that they had a strike

  • on departure or arrival,

  • the first thing we're gonna do

  • is send someone out to inspect that runway.

  • If it's an aircraft that's on departure,

  • we may reach out to the airport

  • that they're headed towards

  • and let 'em know that there's a aircraft coming in

  • that had a strike and to please collect the snarge.

  • - [Narrator] This is snarge,

  • the remains of a bird after a strike.

  • - This is all that's left from this strike.

  • But it's clearly a snowy owl.

  • And this is where we put all the wildlife remains

  • that we find out in the airfield

  • while we're completing the strike reports.

  • - [Narrator] Sometimes when it's a very small amount

  • of material, it can be difficult to identify the species.

  • - So a sample of this will be sent

  • to the Smithsonian Institution's Feather ID Lab

  • for identification, and they'll be able

  • to identify the species for us.

  • - [Narrator] Qualified maintenance teams also review

  • most bird strikes for any damage.

  • If the damage is minor,

  • like a broken light lens cap,

  • it can be quickly repaired between flights.

  • But if it's more severe

  • or a snarge needs to be cleaned off multiple parts

  • of the aircraft, for example,

  • this can lead to delays or canceled flights.

  • - Our goal in wildlife is not just the safety

  • of the aircraft.

  • That's the main thing but also, we wanna make sure

  • that we're not impacting airport operations.

  • So even if you do have some sort

  • of strike that doesn't cause damage,

  • we want those aircraft to continue moving

  • and we don't wanna disrupt air traffic.

  • - Clear, check with the 9904.

  • - [Narrator] To ensure that your flight takes off

  • and lands safely, and on time,

  • wildlife management teams run diverse programs year round

  • to target the airport's unique wildlife population.

  • - If we're doing our job well,

  • you don't notice us at all

  • and we should be silent and hidden and invisible

  • to the average traveler.

  • - [Narrator] Unless you happen to be hanging out

  • with a flock of birds.

  • (horn honking)

- I think I see the chick in the nest.

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鳥(How Do Airports Keep Birds From Striking Planes? A Wildlife Expert Explains | WSJ)

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    王杰 發佈於 2022 年 05 月 22 日
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