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originally posted by: Zaphod58
a reply to: Azureblue
Reduced Vertical Separation Minimums, RVSM. They used to required 2,000 feet vertical separation between two aircraft. But after doing studies with the largest aircraft in use, at the time, they found that you could safely fly within 1,000 feet vertically of another aircraft.
The CL-604 is a business jet built by Bombardier. It's part of their 600 series, which is a pretty popular aircraft. It's not a very large aircraft at 68 feet, with a 64 foot wingspan.