# High-Altitude Balloons Designed to Self-Destruct when Off-Course

**URL:** <https://learn.safran-navigation-timing.com/t/high-altitude-balloons-designed-to-self-destruct-when-off-course/1036>\
**Category:** GNSS Technology\
**Created:** [February 6, 2023, 9:29pm UTC](https://learn.safran-navigation-timing.com/t/high-altitude-balloons-designed-to-self-destruct-when-off-course/1036 "2023-02-06T21:29:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![LeisaButler](https://yyz2.discourse-cdn.com/flex030/user_avatar/learn.safran-navigation-timing.com/leisabutler/32/46_2.png) [@LeisaButler](https://learn.safran-navigation-timing.com/u/LeisaButler)\
**Post date:** [February 6, 2023, 9:29pm UTC](https://learn.safran-navigation-timing.com/t/high-altitude-balloons-designed-to-self-destruct-when-off-course/1036/1 "2023-02-06T21:29:18Z")

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The recent shooting down of the High-Altitude China Balloon, got me thinking; Manufacturers of high-altitude balloons, have been known to build-in a self-destruction protection if the balloon veers of course. For example. if the balloon veers off course by \>1km, a self-destruction sequence is initiated, to ensure no sensitive data gets into the wrong hands. This type of test is easily supported with a GNSS Simulator.

Why did something like this not happen?

Any input from the PNT community about how to protect a high-altitude balloon OR how to protect sensitive data on the ground or surrounding area from being captured?

Discussion encouraged…

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**Author:** ![serge.malo](https://yyz2.discourse-cdn.com/flex030/user_avatar/learn.safran-navigation-timing.com/serge.malo/32/23_2.png) [@serge.malo](https://learn.safran-navigation-timing.com/u/serge.malo)\
**Post date:** [February 7, 2023, 7:19am UTC](https://learn.safran-navigation-timing.com/t/high-altitude-balloons-designed-to-self-destruct-when-off-course/1036/2 "2023-02-07T07:19:48Z")

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I read this interesting article in Ars Technica: [Why would the Chinese government be flying a large stratospheric balloon? | Ars Technica](https://arstechnica.com/science/2023/02/why-would-the-chinese-government-be-flying-a-large-stratospheric-balloon/)

Probably that the self-destruction mechanism failed in that case.

At Orolia, we have helped the NOAA to to test the RTK systems of their atmospheric balloons with the Skydel GNSS Simulator!

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**Author:** ![A-D](https://avatars.discourse-cdn.com/v4/letter/a/50afbb/32.png) [@A-D](https://learn.safran-navigation-timing.com/u/A-D)\
**Post date:** [February 7, 2023, 8:42am UTC](https://learn.safran-navigation-timing.com/t/high-altitude-balloons-designed-to-self-destruct-when-off-course/1036/3 "2023-02-07T08:42:00Z")

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@serge.malo Or perhaps that was precisely the flight path the balloon was meant to take.

As we have heard in the news, several weather balloons entered US airspace a few years ago. Now comes the news that the [Pentagon failed to detect them](https://www.airandspaceforces.com/norad-missed-previous-chinese-spy-balloons-a-domain-awareness-gap-we-have-to-figure-out/).

It is not difficult to imagine that a foreign power may have been emboldened by previous attempts and sought to repeat the mission.