Hollywood_man From United States of America, joined Sep 2000, 11 posts, RR: 0 Posted (13 years 1 month 1 week 5 days 6 hours ago) and read 4052 times:
Looking through all the photos of 777s I realized that some 777 are -200IGW -200 and -200ER. My first question (of many) is what does the IGW stand for? How is it different than the other 777-200s. With the introduction of the 200ER is the normal 200 still available? Is the only difference the engines? Why doesn't Boeing just offer one type of 777-200 and make them have max range and technology? Well I guess that's about it.
Fanoftristars From United States of America, joined Jul 2000, 1588 posts, RR: 5 Reply 1, posted (13 years 1 month 1 week 5 days 6 hours ago) and read 4029 times:
IGW stands for Increased Gross Weight or in other words, it can take off with more weight, and it also has more powerful engines and fuel capacity. I think the IGW and ER are used interchangeably, but I could be wrong. Airlines who only need the shorter range would be foolish to pay for all of the expensive upgrades for an ER or IGW. Boeing is comming out with the 200LR that can fly even farther than the IGW/ER. Over 10,000 statute miles.
Please, anyone with more knowledge add to this post.
EyeSky From United States of America, joined Aug 2000, 302 posts, RR: 0 Reply 2, posted (13 years 1 month 1 week 5 days 6 hours ago) and read 4017 times:
The 772IGW was developed as an "interim" version of the basic 772 that could better operate transcontinental segments like the US West Coast to Europe. This modification was undertaken before the 777-300 was officially launched. The 772IGW had the same overall dimensions of the basic 772 but eventually weighed in at over 100,000 lbs more. Most of this weight was made up by new 45,000 gallon fuel tanks that were added in the wings to help increase the maximum range to 5,700 NM. IMO it is pretty difficult, if not impossible, to tell the difference between the 772 and the 772IGW.
The 773 incorporated most of the changes as the IGW along with others, including the fuselage extension that allowed for 60 more passengers to be carried.