Ottawa TCA ring size?

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dougj
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Ottawa TCA ring size?

Post by dougj »

Is there a reason the class C ring is not labelled with a distance from CYOW? YYZ’s is clearly marked as 26nm. The mode C ring for CYOW is labelled at 45nm but the more important Class C TCA distance is left to my ruler technique?
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linecrew
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Re: Ottawa TCA ring size?

Post by linecrew »

dougj wrote: Sun Sep 10, 2023 8:08 am Is there a reason the class C ring is not labelled with a distance from CYOW? YYZ’s is clearly marked as 26nm. The mode C ring for CYOW is labelled at 45nm but the more important Class C TCA distance is left to my ruler technique?
Probably because it's not as simple as a ring. Look at the VTA and you'll see that it's pretty complicated with the different airspace classifications at various altitudes depending on where you are in the area.
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Panama Jack
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Re: Ottawa TCA ring size?

Post by Panama Jack »

The authoritative document is the Designated Airspace Handbook, available for free on the Nav Canada website.

The current one is available at https://www.navcanada.ca/en/dah20230810.pdf

The detailed description of the Ottawa TCA starts on Page 96.
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EPR
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Re: Ottawa TCA ring size?

Post by EPR »

Fucking Trudeau!
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dougj
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Re: Ottawa TCA ring size?

Post by dougj »

Well there’s the answer: outer Class C ring is 24miles around CYOW. How did I miss that? Page 96 of the DAH needs to be on the lap of every VFR pilot in the area!
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