Why is it called 77W?
Apr 27, 2015 | 12:19 am
#2
Join Date: Jun 2012
Programs: TK*G
Posts: 268
I was curious myself and stumbled upon this interesting thread on Airliners.net (http://www.airliners.net/aviation-fo....main/3407167/).
It seems that they're entirely arbitrary designations made by the IATA. There's a comprehensive listing here (http://www.airlinecodes.co.uk/arctypes.asp), although it might be out of date since it doesn't show the 77L/77W.
Boeing doesn't determine this. The determination is made by IATA who publish an annual "Coding Directory" that incorporates all of this and more.
The "W" and "L" in the 77W and 77L don't stand for anything particular. Similarly the "H" in 73H or numerous other examples. These were selected by a committee who probably used similar logic to what was mentioned here when coming up with them, but officially are just random selections.
The "W" and "L" in the 77W and 77L don't stand for anything particular. Similarly the "H" in 73H or numerous other examples. These were selected by a committee who probably used similar logic to what was mentioned here when coming up with them, but officially are just random selections.
Apr 27, 2015 | 3:17 am
#5
Join Date: Apr 2005
Location: NYC/ISP
Programs: UA-Plat, United Club
Posts: 486
Why is it called 77W?
I think B73H comes from the 800W (H being 8th letter), same as the soon to be B78J and A35J (-10/100/1000 or whatever it is). B77W and B77L are actual ICAO designators (used by ATC), and B73W or B73H are just used by the airlines.
Apr 27, 2015 | 10:55 am
#7
Join Date: Jun 2012
Programs: TK*G
Posts: 268
The 77L is the "Worldliner" though with a ridiculous 17,400km range. I'm really curious now to see what IATA/ICAO logic is behind these model numbers.