vikinga346
Posts: 314
Joined: Wed Oct 04, 2006 9:45 pm

BA's 772s, What Does 77X, 77Y, 77Z Mean?

Fri Sep 07, 2007 11:32 am

Hi All,

I know that the 777-200 has different configurations, I work for BA and am aware that every airplane is different, however, are there specific meanings for the "Z" "Y" and "X" letters that follow the two sevens? In our res system, each day it is either Equipment: 77X, 77Y, 77Z etc etc...

Also, I've noticed that BA runs a 777-200 IGW, 777-200 A and a 777-200 ER. How can you tell what is what? Is taht what the Z,Y,X letters are for or is that just the cabin config?

Someone from BA please help  Smile

Cheers
Viking
...you will walk the earth with your eyes turned skyward, for there you have been and there you shall return
 
bastew
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Fri Sep 07, 2007 11:41 am

The 77X is the config with the 17F class seats.
77Y is the regular 4 class aircraft with 14F seats.
77Z is the regular 4 class aircraft with 13F seats - and flight crew bunks and OHAR (YAY!) Slightly different toilet layout also than the 77Y.
77J is the 3 class aircraft without First.

There are some other codes for LGW based 777's but not sure what they are....

[Edited 2007-09-07 04:42:54]
 
vikinga346
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Fri Sep 07, 2007 12:05 pm

Quoting BAStew (Reply 1):
and flight crew bunks and OHAR (YAY!)

What exactly is OHAR?

I've noticed that its almost never the same reg. 777 from day to day ops. They really do vary the a/c on any route. I know they operate the 77J every Tuesday to/from PHL, that's the only regularity I think.

How many of each a/c does BA have?
...you will walk the earth with your eyes turned skyward, for there you have been and there you shall return
 
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Stitch
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Fri Sep 07, 2007 12:13 pm

Quoting VikingA346 (Thread starter):
Also, I've noticed that BA runs a 777-200 IGW, 777-200 A and a 777-200 ER. How can you tell what is what?

A 777-200A should be the original 777-200. The 777-200IGW and 777-200ER are the same thing (or at least should be) which has a ~100,000lb higher MTOW and about another ~2500nm range.
 
LH423
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Fri Sep 07, 2007 2:41 pm

Hey, I left BA at the end of last year but I was visiting the office and I noticed there's a new config - 77C. Still a four-class config the only difference I could see was that there are now 124 WT seats, instead of 122 on the 77Y or 127 on the 77Z and 77X. When did this config come about? Is this a prélude to the new configurations on the 777s once the next generation CW seats come out?

LH423
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planesarecool
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Fri Sep 07, 2007 3:07 pm

Quoting VikingA346 (Reply 2):
I've noticed that its almost never the same reg. 777 from day to day ops. They really do vary the a/c on any route. I know they operate the 77J every Tuesday to/from PHL, that's the only regularity I think.

The 3-class aircraft are scheduled on specific flights. As they don't have FIRST, the cannot just turn up on any flight, otherwise there'd be a lot of disappointed premium passengers. Currently, the 6 3-class 777's (YMMA-F) based at LHR operate:

Monday

BA035 Chennai
BA095 Montreal
BA119 Bangalore
BA169 Shanghai
BA219 Denver

Tuesday

BA035 Chennai
BA067 Philadelphia
BA095 Montreal
BA147 Kolkata
BA219 Denver
BA257 Delhi

Wednesday

BA095 Montreal
BA119 Bangalore
BA145 Dhaka
BA219 Denver
BA257 Delhi

Thursday

BA095 Montreal
BA1039 Beijing
BA147 Kolkata
BA219 Denver
BA257 Delhi

Friday

BA035 Chennai
BA039 Beijing
BA095 Montreal
BA145 Dhaka
BA219 Denver
BA257 Delhi

Saturday

BA035 Chennai
BA039 Beijing
BA095 Montreal
BA147 Kolkata
BA153 Harare
BA219 Denver

Sunday

BA035 Chennai
BA039 Beijing
BA095 Montreal
BA119 Bangalore
BA145 Dhaka
BA219 Denver

The four 3-class LGW based 777's (G-VIIO/P/R/T) currently operate:

Monday

BA2037 Orlando
BA2193 Dallas
BA2263 Kingston

Tuesday

BA2037 Orlando
BA2157 Antigua/Grenada
BA2167 Tampa
BA2226 Atlanta

Wednesday

BA2037 Orlando
BA2153 Barbados/Port of Spain
BA2157 Antigua/St Lucia
BA2263 Kingston

Thursday

BA2037 Orlando
BA2153 Barbados/Port of Spain
BA2157 Antigua/Tobago
BA2167 Tampa

Friday

BA2037 Orlando
BA2167 Tampa
BA2226 Atlanta
BA2263 Kingston

Saturday

BA2037 Orlando
BA2153 Barbados/Port of Spain
BA2167 Tampa
BA2226 Atlanta

Sunday

BA2037 Orlando
BA2157 Antigua/Tobago
BA2167 Tampa
 
jfk777
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Fri Sep 07, 2007 11:29 pm

I'm surprised BA doesn't just have one version of 3 class and another for four class 777-200. Is it worth complicating the whole airline for 13 F vs. 17 F seats, one verson should suffice.
 
vikinga346
Posts: 314
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Sat Sep 08, 2007 1:21 am

How can you tell what is a 777-200 A and what is a 777-200 IGW/ER??? My guess would be the GE engine, but I'm not sure. I assume the configurations can vary between the regular 200 and the ER?

Thanks
...you will walk the earth with your eyes turned skyward, for there you have been and there you shall return
 
ConcordeBoy
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Sat Sep 08, 2007 1:30 am

Quoting VikingA346 (Reply 7):
and what is a 777-200 IGW/ER???

They're the same thing.

Boeing originally called the B-market 777 the 777-200IncreasedGrossWeight. It later shortened that to ExtendedRange.

Since BA was the launch customer for the B-market 777, it went with the "IGW" tag as well. Now however, it uses it to distinguish between is lower MTOW 772ERs which are usually used for Eastern North America and the MiddleEast, and uses "ER" to distinguish its G-YMM* series 772ER which are usually used to the further reaches of the Americas and Australasia.




Airbus took a similar nomenclature, though they switched "Increased" with "Higher" and thus tend to use the suffix "HGW" to denote their higher MTOW variants
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AlanUK
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Sat Sep 08, 2007 4:55 am

Quoting VikingA346 (Reply 2):
What exactly is OHAR?

Over Head Attedant Rest (bunks)
 
bastew
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Sat Sep 08, 2007 4:59 am

Quoting VikingA346 (Reply 2):
What exactly is OHAR?



Quoting Jfk777 (Reply 6):
I'm surprised BA doesn't just have one version of 3 class and another for four class 777-200. Is it worth complicating the whole airline for 13 F vs. 17 F seats, one verson should suffice.



Quoting VikingA346 (Reply 2):
How many of each a/c does BA have?

OHAR is 'Overhead Attendant rest' basically cabin crew bunks (8) in the ceiling at doors 3, accessed by a set of stairs. The Flight Crew bunks (2) are in the rear of First Class or Club if on the '3 class'. All 77J's and all 77Z's have OHAR/Flight Crew bunks. This also explains whythe 77Y has 14F seats and the 77Z 13F seats - the Flight Crew bunks take up an area where 4K should be on the 77Z.

The 77Y are mainly used on US east coast, mid east and North African routes where the sectors are rather short and there is no union requirement for horizontal rest.

The 77X with 17F seats is a very rare aircraft to work on, I think we must just have a few of them. You will usually find them on the mid-east routes where demand for F is very high.

Sorry, have no idea what the breakdown is of 777 type, though the overwhelming majority are the 77Y/77Z variation, less of the 3 class 77J variation and just a handful of the 77X.
 
LHR777
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Sat Sep 08, 2007 5:52 am

Quoting BAStew (Reply 10):
The 77X with 17F seats is a very rare aircraft to work on, I think we must just have a few of them. You will usually find them on the mid-east routes where demand for F is very high.

There are just three of those - G-ZZZA, -ZZZB, -ZZZC. They're the original A-market 777's.

Quoting VikingA346 (Reply 7):
How can you tell what is a 777-200 A and what is a 777-200 IGW/ER??? My guess would be the GE engine, but I'm not sure.

The -200IGW's are the GE90 powered aircraft. The -200ER's are the RR-powered aircraft.
 
vikinga346
Posts: 314
Joined: Wed Oct 04, 2006 9:45 pm

RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Mon Sep 17, 2007 4:32 am

Quoting LHR777 (Reply 11):
The -200IGW's are the GE90 powered aircraft. The -200ER's are the RR-powered aircraft.

I thought the 200IGW and the 200-ER are the same thing according to one of the posts above?

Quoting ConcordeBoy (Reply 8):
Boeing originally called the B-market 777 the 777-200IncreasedGrossWeight. It later shortened that to ExtendedRange.

So, how do you know by looking at the reg if the plane is a 772 ER or a regular 772? G-YMM is the ER with the RR engines??

What aircraft comes with the GE90 engines? The regular 772 - A?
...you will walk the earth with your eyes turned skyward, for there you have been and there you shall return
 
OB1504
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Mon Sep 17, 2007 4:44 am

Quoting VikingA346 (Reply 12):
I thought the 200IGW and the 200-ER are the same thing according to one of the posts above?

Technically speaking, they are, but BA uses two names to refer to them because of the engine difference.
 
ConcordeBoy
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Mon Sep 17, 2007 4:56 am

Quoting VikingA346 (Reply 12):
I thought the 200IGW and the 200-ER are the same thing according to one of the posts above?

They are the same thing.

However, for it's own purposes, BA chooses to identify different 772ERs (that have different MTOWs and engine types) by splitting them into self-designated "772IGW" and "772ER" subcategories. But again, at the end of the day-- they're both the same thing.

Quoting VikingA346 (Reply 12):
So, how do you know by looking at the reg if the plane is a 772 ER or a regular 772? G-YMM is the ER with the RR engines??

The G-ZZZ* series are the GE powered A-market 772s.
The G-VII* series (and G-RAES) are the GE powered 772ERs that BA has chosen to refer to as "772IGWs"
The G-YMM* series are the RR powered 772ERs that BA has chosen to refer to as "772ERs"

Quoting VikingA346 (Reply 12):
What aircraft comes with the GE90 engines? The regular 772 - A?

BA's A-market 772s and their lower MTOW 772ERs (which again, are the ones they've chose to refer to as "772IGWs") are all GE powered.

[Edited 2007-09-16 22:03:22]
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JGPH1A
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RE: BA's 772s, What Does 77X, 77Y, 77Z Mean?

Mon Sep 17, 2007 5:01 am

These are the 3 character internal codes used to define the fitted configuration seatmap templates in the inventory system as well. They define what seats are fitted on the aircraft and are used for seating in Res.
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