773/77W - What's the difference?
#1
Original Poster
Join Date: Jan 2010
Posts: 16
773/77W - What's the difference?
Forgive me if this has been raised before, but I'm confused as to why for example A6-EBA, which is a 777-300ER is designated as 773, whereas A6-ECY, which is also a 777-300ER, is designated as a 77W.
Is there some significant difference between the two? Both I believe are 2-class aircraft, so I'm puzzled and would appreciate if some of you EK experts could explain.
Is there some significant difference between the two? Both I believe are 2-class aircraft, so I'm puzzled and would appreciate if some of you EK experts could explain.
#2
Join Date: Feb 2011
Location: DXB, BNE, HKG
Programs: EK Skywards | SQ Krisflyer | VA Velocity | EY Guest | CX AsiaMiles
Posts: 209
I know for a fact that A6-EBA is a Boeing B777-31H/ER so I don't know why it's being assigned B773.
However, the difference between a B773 & a B77W is the range and the M.T.O.W. (B77W) having higher specs...
May I ask where you saw A6-EBA marked as a B773?
Cheers,
EK433B77W! ^
However, the difference between a B773 & a B77W is the range and the M.T.O.W. (B77W) having higher specs...
May I ask where you saw A6-EBA marked as a B773?
Cheers,
EK433B77W! ^
#3
FlyerTalk Evangelist


Join Date: Jan 2010
Posts: 10,059
I have noticed this frequently on flights ex GLA. The A6-EB* series seem to be classified as 773 and the A6-EC* as 77W by flight24.com
You can see the recent GLA flights here showing this:
http://data.flight24.com/flights/ek28/
You can see the recent GLA flights here showing this:
http://data.flight24.com/flights/ek28/
#4




Join Date: Oct 2009
Location: OSL
Programs: QR Plat | SK Diamond | A3 Gold
Posts: 4,612
I know that on the 3 class, some of the old aircraft are designated 773 even though they are 77W. I think they are the ones with old ICE, or one of the old cabins installed - not really sure, but you can cross reference EF codes against EK777's fleet info post
#5
Original Poster
Join Date: Jan 2010
Posts: 16
I know for a fact that A6-EBA is a Boeing B777-31H/ER so I don't know why it's being assigned B773.
However, the difference between a B773 & a B77W is the range and the M.T.O.W. (B77W) having higher specs...
May I ask where you saw A6-EBA marked as a B773?
Cheers,
EK433B77W! ^
However, the difference between a B773 & a B77W is the range and the M.T.O.W. (B77W) having higher specs...
May I ask where you saw A6-EBA marked as a B773?
Cheers,
EK433B77W! ^
Many thanks for the explanation.
If you go to Flight24.com, enter A6-EBA in the Aircraft Registration box, you will see there it is described as a 773.
Further question, what is a 777-31H/ER, i.e what does the 31H signify?
#6

Join Date: Aug 2000
Location: Exile
Posts: 16,064
#7
Join Date: Feb 2011
Location: DXB, BNE, HKG
Programs: EK Skywards | SQ Krisflyer | VA Velocity | EY Guest | CX AsiaMiles
Posts: 209
Cheers,
EK433B77W! ^
#8
Join Date: Feb 2011
Location: DXB, BNE, HKG
Programs: EK Skywards | SQ Krisflyer | VA Velocity | EY Guest | CX AsiaMiles
Posts: 209
Cheers,
EK433B77W! ^
#9

Join Date: Aug 2000
Location: Exile
Posts: 16,064
Let's also not forget the marginally longer wingspan due to the raked wingtips on the 77W either.

