No, not a very odd covert geo-engineering flight, ...
Its the television relay plane for the Tour de France. Basically all the TV feeds from the various camera cars and bikes, plus the two or three helicopters that follow the race are relayed up to an aircraft that is circling at high altitude then transmitted on to the main TV centre for the race, then on to the various broadcaster that are covering the race.
I've been watching the race live on TV and following the relay plane all day and thought I would share.
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But based on your screenname, I'm going to go ahead and assume you have already found the answer to your question.
As Dierdre correctly pointed out (after an exhausting 30 seconds of research) It is collecting geospatial data.
At least you had the decency to retain the aircraft’s registration number which makes it very easy to explain the flight path.
I have noticed that chemtrail believers often post these odd flight paths as some evidence of unspecified skullduggery but omit the registration number so the aircraft cannot be identified.
This aircraft suffered a birdstrike on take off and was burning of fuel to re-land at Liverpool. It’s complete flight path was far more convoluted than this excerpt. The work of seconds to establish the identity and use google to establish what happened from local and national newspapers.
On the other hand you get flight paths like this:
No way to identify the aircraft. It then becomes a “mystery aircraft flying over Minnesota”.
This then gets picked up by CT websites and dubious outlets like sputniknews, gets some added spin and so it all starts.
William of Ockham would probably say it was a police helicopter.
It should be noted here that the flightpaths in FlightRadar24 and other online trackers are coloured according to the altitude. For example, in FR24, the light green colour of the above track indicates that the aircraft was below 5,000 ft, but higher than 1,000 ft. A helicopter or an aerobatic plane are the most probable options.
No need to be condescending, if I was knew what I was looking at and what to research I would have done it myself. Hence why I came here because I heard there are a lot of aviation experts that know what is "actually" going on with these types of things. Dont assume I am a chemtrail believer either.