Most Boeing 747-200s have a row of about 8 or 10 windows on each side of the
top bubble, accomodating upstairs seating. However, some early -200s (eg. ex-
Swissair) have the original 3 windows on each side, intended for, as far as I
know, a first-class lounge that may not be profitable any more. Which airlines had
-200s with only 3 windows on each side? As for the -100s, many of the relatively
few built had 3 windows (Pan American, Air France) but -124s sold to Avianca
had the full row, and I've heard that some American airline plugged the full
row for fleet commonality early on (it got both full and 3 windowed 747s). WHo
was this and did they ever fly anmy 747-100/200 with the full row? Another
airline apparently spent a lot of money adding the full row. Who? Finally, I saw
747-100s of Air Canada with the full row (pictures on this site) and some without it.
How did this come about?