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Now that you mention it, yes I do recall the music and the general scene, altho I don't recall the 747.  Which is strange cuz it's the only plane we really love.  Altho never been on 1.

Here's a question - is there a way to book a 747 flight exactly for that purpose - to make sure it IS a 747 you get, period, and not some damn boring Airbus or 767?

My mother wants so much to fly on 1, they're all getting older (my folks and the planes), and I've dreamed of getting my parents a flight on a 747 for their anniversary.  But planes always seem unpredictable - and they're not usually advertised as to what kind of plane you'll take.  You just order for the trip itself, not the plane.

Additionally, we don't care about going overseas.  I know generally you only get 747s going out of the US, but are there any that go, say, cross-country?  My parents would be just fine to visit my brother and kids in L A, for ex.
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Quoting:
Here's a question - is there a way to book a 747 flight exactly for that purpose - to make sure it IS a 747 you get, period, and not some damn boring Airbus or 767?
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I think on most online sites it will show you what equipment is reserved for a particular flight.  I also used to sell airline seats
and on our Apollo reservation system it lists the different planes.  A travel agent will typically have access to that.

Typically 747s are going to be used for transcontinenental/ international hub to hub flights (i.e.  San Francisco to Tokyo, New York to London, New York to LA, Chicago to Frankfurt)