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Block Altitude clearances

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Old 1st Dec 2018, 03:00
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Originally Posted by Airmann
For ATC your current level while in a block is irrelevant. They need to know the block levels as you have full authority to climb and descend as you please within it with no requirement to inform them. They need to keep all other traffic clear of the entire block.
Agreed, the important information for them is the limits of you clearance. Stating your current altitude doesn't really add anything useful and might foster a misunderstanding.
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Old 1st Dec 2018, 03:42
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Block altitudes are used all thme time by the military for air refueling and large airplanes in formation.
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Old 1st Dec 2018, 19:22
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Originally Posted by Rick777
Block altitudes are used all thme time by the military for air refueling and large airplanes in formation.
And large formations. Tankers, and their 'chicks in tow', can be at different altitudes within the block.
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Old 1st Dec 2018, 20:19
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Block altitudes were pretty common when we were doing flight testing at Boeing - although they'd frequently banish us to some little used airspace off the Pacific Coast to do it.
According to the propulsion theory I was taught in college 40+ years ago, the most fuel efficient cruise was a so called "climbing cruise" - set thrust to maintain speed/altitude, then leave the throttle fixed and let the aircraft gradually climb as it burns off fuel and gets lighter. Unfortunately not particularly practical in the real world, but it you can get a block altitude it could work...
BTW, the trick to finding good beer in the US is to avoid the mass-market beers. There are many fine 'micro-brews' or 'craft breweries' and/or 'brew pubs'. Also, avoid lagers if you can. IPAs have become very popular with the craft beer crowd and I don't think any of the mass-market breweries market an IPA (unfortunately for me, I don't particularly care for IPAs).
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Old 2nd Dec 2018, 01:37
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Originally Posted by tdracer
IPAs have become very popular with the craft beer crowd and I don't think any of the mass-market breweries market an IPA (unfortunately for me, I don't particularly care for IPAs).
You too? I thought I was the only one.
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