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Did you check your balloon notams

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Did you check your balloon notams

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Old 3rd Apr 2019, 19:26
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Did you check your balloon notams

I remember reading a story about an SR-71 pilot having a near encounter with a balloon at Mach 3. I assume that no evasive maneuvering was anywhere close to possible. What about airliner experiences. I have never seen one myself but these guys did.....

"C-FFPH, a Boeing 737-800 aircraft operated by Sunwing Airlines, was conducting flight SWG746
from Toronto/Lester B. Pearson Intl (CYYZ), ON to Nassau/Lynden Pindling Intl (MYNN), Bahamas
with 6 crew members and 180 passengers on board. During cruise flight at FL360, approximately
395 nm north of MYNN, the flight crew reported a near miss with a weather balloon. The event was
reported to ATC, and the flight continued to destination without further incident."

Going strictly from internet info, a balloon notam will look something like this...

"High altitude balloon release 5.49 WNW of KAGC, E/SE bound reaching Flight Level 600 (60,000 feet) on June 6. Launching time between 1200 and 1300Z. E/SE direction of drift. Landing time no later than 1700Z"

Anybody else had any interesting encounters?
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Old 3rd Apr 2019, 20:53
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I once maneuvered evasively in order to avoid what turned out to be a toy balloon that, presumably, some child had let go of. I don't think I noticed it in the NOTAMs.
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Old 3rd Apr 2019, 21:40
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In the 1980s,when at Eastern Radar,I saw a very slow moving primary return around Beeno (intersection of B1 &A37),so I asked one of the military controllers( they had a height-finding facility) to 'pull a height'.IIRC,it came back as around FL 200,and was thought to be a WX balloon.Fortunately there was no conflicting traffic at the time & it drifted off to the North East.
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Old 3rd Apr 2019, 23:14
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How far do weather balloons travel horizontally? It'll obviously depend on the winds.
I picked up some of their instrument/radio packages washed up on the beach, and the transmitter still worked, despite its time in salt water.
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Old 4th Apr 2019, 20:47
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I remember reading a story about an SR-71 pilot having a near encounter with a balloon at Mach 3.
That was one very fast balloon.

Well, someone had to say it....
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Old 5th Apr 2019, 15:37
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There’s a mass of Project Loon balloons over Peru/Ecuador at the moment. These a big balloons and you wouldn’t want to run into one of them.
Fortunately they’re at about FL600, but then they have to get there, and back down again!
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Old 5th Apr 2019, 23:48
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Something I'm unsure about posting elsewhere but RIP record breaking balloonist Julian Nott who has died after a safe landing and a subsequent ground accident.
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