French hoverboard inventor successfully flies over English Channel for first time

[Tyr-Ziu Saxnot]

https://www.yahoo.com/news/french-hoverboard-inventor-successfully-flies-021537644.html

Lifestyle
French hoverboard inventor successfully flies over English Channel for first time
KABC – Los Angeles KABC – Los Angeles 19 hours ago
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Looking like a superhero, Franky Zapata successfully completed the famed journey across the English Channel on his hoverboard in just 22 minutes Sunday morning.
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Video at link,, simply amazing..--Tyr

[Elessar]

That looked neat. I hate flying and have to wonder how he navigated.
GPS most likely.

[Gunny]

That looked neat. I hate flying and have to wonder how he navigated.
GPS most likely.Okay Drummond let's get an expert in here. Does one lose sight of land crossing the English Channel? In the air?

Just thinking any real navigation skills might not be required.

[Elessar]

Okay Drummond let's get an expert in here. Does one lose sight of land crossing the English Channel? In the air?

Just thinking any real navigation skills might not be required.

A 6 ft tall person on the shoreline has a visible horizon of about 2 1/2 nautical miles.

Going by the delineation tables, he would have had to be about 10,000 feet up.

Bowditch: American Practical Navigator: https://thenauticalalmanac.com/2017_Bowditch-_American_Practical_Navigator/Volume-_2/06-%20Piloting%20Tables/Table%2017-%20Distance%20by%20Vertical%20Angle%20Measured%20B etween%20Waterline%20at%20Object%20and%20Sea%20Hor izon%20Beyond%20Object.pdf

A good flight, but I bet a GPS was used.