Message posted by Frank Stamm on May 19, 2004 at 14:02:02 PST:
Any aircraft flying at or above FL180 or 18,000 ft msl must be on an IFR flight plan filed with ATC. Exceptions are MOAs, R space and P space.
In Reply to: Re: Massachusetts Institute of Technology Boeing 707 posted by lone wolf on May 19, 2004 at 12:58:37 PST:
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