An Air Force base just deployed this new weapon in the fight to save its expensive bombers from geese - 'bird cannons'
REUTERS/USAF-Shane Cuomo HB
- To combat the threat to US military aircraft posed by birds and other wildlife, Ellis Air Force Base has installed bird cannons.
Four years ago, a US military helicopter crashed in the UK, killing all four crew members. The cause: a flock of geese.
Birds and wildlife pose a deadly threat to American military aircraft and their crew. Between 1985 and 2016, bird strikes killed 36 American airmen, destroyed 27 US Air Force aircraft and cost the service almost a billion dollars, according to the 28th Bomb Wing Public Affairs Office at Ellsworth Air Force Base.
Defensive technology has improved, reducing the number of incidents, but destructive accidents continue to occur. Between 2011 and 2017, the USAF experienced 418 wildlife-related mishaps, resulting in $182 million in damages, according to Military Times.
Canadian Geese alone cost the USAF almost $100 million between fiscal year 1995 and fiscal year 2016.
To counter the threat posed by birds, Ellsworth Air Force Base in South Dakota installed an automated bird deterrent system - special cannons designed to keep the animals away.
The $150,000 bird abatement system consists of a rotating cannon and a propane tank. The cannon produces a loud sound similar to a shotgun blast to scare the birds away. Some units, the Associated Press reports, are equipped with speakers able to blare the distress calls of several different bird species.
"Birds are a huge problem for our aircraft operations," James McCurdy, a 28th Bomb Wing flight safety officer, explained to the AP. "In the middle of our migration season (October, November, April and May), it's not abnormal for us to hit and kill a bird at least once a week. They cost us hundreds of thousands of dollars a year."
The bird cannons only require around $2,000 a year to maintain, which could mean significant savings for the base.
Some of the other tools, outside of manpower, that have been used to keep birds away from US aircraft in the past include the Avian Hazard Advisory System (AHAS), a weather radar that can keep track of flocks of birds, and a bird detection radar for monitoring individual birds.
Not every Air Force base is equipped with these defense systems though. At Ellsworth, which is home to one of the two Air Force B-1 Lancer bomber wings, the previous approach to dealing with wildlife was to send someone out with a shotgun.
Ellsworth now has 24 bird cannons installed along the runway to protect the bombers, each of which reportedly costs around $400 million.
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