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#21
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Brian Burger wrote in message ria.tc.ca...
On Mon, 9 Feb 2004, A Lieberman wrote: AES/newspost wrote: snip Anyway, I'm assuming that "Jackpot 1243" wanted to move up and down freely between 39,000 and 41,000 feet seeking smoothest ride and best fuel economy without having to make repeated requests; and Denver Center was willing to approve this since nobody else was up that high anyway. My first instrument lesson in IMC, my instructor and I went to the practice area and he requested a block altitude of 2000 to 3000 so I could practice climbs and descents. ATC approved without hesitation. Likewise for aerobatics; we get 2000 or 3000ft tall blocks (3000-5000 ASL or 3k-6k usually, and it's not a problem with Terminal. One weekday when we were out Terminal cleared a floatplane below us (after sending us up to 4000-5500ft and said to the floatplane: "... there's a Citabria doing airwork above you, not below 4, and... well, I'm not sure which way they'll be pointing in a minute..." A true "block altitude" is usually for IFR or in class C,B airspace. I don't know how ATC could "authorize" a block elsewhere. They may, however, enjoy just knowing where you plan to be. However, a "block altitude' implies that no one else will be assigned to fly into that area when you are there. -Robert |
#22
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Robert M. Gary wrote: A true "block altitude" is usually for IFR Only for IFR. |
#23
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"Newps" wrote in message news:KTaWb.45$uV3.1610@attbi_s51... Robert M. Gary wrote: A true "block altitude" is usually for IFR Only for IFR. I suppose a VFR could get a block in class B. Certainly got plenty of "at or below" instructions there. |
#24
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On Tue, 10 Feb 2004, Robert M. Gary wrote:
Brian Burger wrote in message ria.tc.ca... On Mon, 9 Feb 2004, A Lieberman wrote: AES/newspost wrote: snip Anyway, I'm assuming that "Jackpot 1243" wanted to move up and down freely between 39,000 and 41,000 feet seeking smoothest ride and best fuel economy without having to make repeated requests; and Denver Center was willing to approve this since nobody else was up that high anyway. My first instrument lesson in IMC, my instructor and I went to the practice area and he requested a block altitude of 2000 to 3000 so I could practice climbs and descents. ATC approved without hesitation. Likewise for aerobatics; we get 2000 or 3000ft tall blocks (3000-5000 ASL or 3k-6k usually, and it's not a problem with Terminal. One weekday when we were out Terminal cleared a floatplane below us (after sending us up to 4000-5500ft and said to the floatplane: "... there's a Citabria doing airwork above you, not below 4, and... well, I'm not sure which way they'll be pointing in a minute..." A true "block altitude" is usually for IFR or in class C,B airspace. I don't know how ATC could "authorize" a block elsewhere. They may, however, enjoy just knowing where you plan to be. However, a "block altitude' implies that no one else will be assigned to fly into that area when you are there. I'm not sure of the exact terminology & legalese, but by your def'n 'block alititude' sounds like the right phrase. We're flying aerobatics in Class C Terminal (Approach, to Americans) airspace, and they'll send other a/c around/over/under our airwork block rather than through. Which makes sense, given that they know we're up there doing aero work. Loops & wingovers must make our radar track look fairly strange... Uncontrolled airspace over 3000ft around here only starts about 30min flying time away from home base, so to go high for aerobatic work means working inside the Class C. Terminal assigns us blocks, and it's usually pretty painless. Just distracting when ATC calls you when you're upside down in mid-loop... Brian. |
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