General > General Technical Chat
why is the US not Metric
Tepe:
--- Quote from: SkyMaster on February 14, 2020, 04:40:52 am ---
--- Quote from: Gromitt on February 13, 2020, 12:56:38 pm ---
--- Quote from: SkyMaster on February 13, 2020, 02:28:10 am ---
--- Quote from: Tepe on February 12, 2020, 09:27:51 pm ---
--- Quote from: forrestc on February 12, 2020, 05:13:49 pm ---The one major area where pretty much every country in the world has not metricated is aircraft flight levels.
--- End quote ---
Note the altimeter in this Saab J35 Draken ("Höjd m"):
--- End quote ---
Except for some communist countries, nobody in the world is using meter as an altitude unit in aviation.
:)
--- End quote ---
You mean countries with the same level of communism as Canada? :P
--- End quote ---
What are you talking about?
???
--- End quote ---
You called Sweden a communist country :)
tooki:
No they didn’t. The “communist countries” they’re referring to are the actual countries that use metric flight levels. See the link I posted earlier:
--- Quote from: tooki on February 13, 2020, 07:45:47 pm ---
--- Quote from: Gromitt on February 13, 2020, 12:56:38 pm ---
--- Quote from: SkyMaster on February 13, 2020, 02:28:10 am ---
--- Quote from: Tepe on February 12, 2020, 09:27:51 pm ---
--- Quote from: forrestc on February 12, 2020, 05:13:49 pm ---The one major area where pretty much every country in the world has not metricated is aircraft flight levels.
--- End quote ---
Note the altimeter in this Saab J35 Draken ("Höjd m"):
--- End quote ---
Except for some communist countries, nobody in the world is using meter as an altitude unit in aviation.
:)
--- End quote ---
You mean countries with the same level of communism as Canada? :P
--- End quote ---
Canada is not among the 9 countries in the world that use metric flight levels, either exclusively or partly.
https://en.wikipedia.org/wiki/Flight_level#Metric_flight_levels
--- End quote ---
Gromitt:
--- Quote from: tooki on February 14, 2020, 04:45:23 pm ---No they didn’t. The “communist countries” they’re referring to are the actual countries that use metric flight levels. See the link I posted earlier:
--- Quote from: tooki on February 13, 2020, 07:45:47 pm ---
--- Quote from: Gromitt on February 13, 2020, 12:56:38 pm ---
--- Quote from: SkyMaster on February 13, 2020, 02:28:10 am ---
--- Quote from: Tepe on February 12, 2020, 09:27:51 pm ---
--- Quote from: forrestc on February 12, 2020, 05:13:49 pm ---The one major area where pretty much every country in the world has not metricated is aircraft flight levels.
--- End quote ---
Note the altimeter in this Saab J35 Draken ("Höjd m"):
--- End quote ---
Except for some communist countries, nobody in the world is using meter as an altitude unit in aviation.
:)
--- End quote ---
You mean countries with the same level of communism as Canada? :P
--- End quote ---
Canada is not among the 9 countries in the world that use metric flight levels, either exclusively or partly.
https://en.wikipedia.org/wiki/Flight_level#Metric_flight_levels
--- End quote ---
--- End quote ---
Yes, but the picture is from a Swedish fighter jet with metric instruments.
KL27x:
^ I think earlier in the thread, from November, Tepe posted that pic. And he explained that was "before" their imperialication. I think all the originally metric countries in Europe changed to imperial for ATC. I could be wrong. See Tooki's link, and you won't find Sweden and Canada on it. (Canada was never on it, AFAIK).
This is for altitude and vertical speed, to be clear. Visual range distances in metric countries is pretty universally communicated in meters and kilometers. (For fighter jets, I assume same applies to "radar range" when they are tracking other blips and firing missles at them). And I think most all countries use knots for horizontal speed.
ebastler:
--- Quote from: KL27x on February 14, 2020, 08:21:30 pm ---^ I think earlier in the thread, from November, Tepe posted that pic.
--- End quote ---
More likely than not, everything that gets written here has been posted earlier in this thread. :P
'round and 'round we go...
Including this message, I'm sure.
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