Udo From , joined Dec 1969, posts, RR: Posted (13 years 4 months 1 week 3 days 6 hours ago) and read 1478 times:
Following the deliveries of aircraft worldwide I found out that SIA's B777-200 are registered 9V-SQ-(A,B,C...), 9V-SR-(A, B, C...) and 9V-SV-(A, B, C...).
I know the aircraft belonging to each registration group are configured differently (two class vs three class), but I'm wondering why SQ is doing that?
9V-SQA down to SQZ would also work, though it wouldn't be as interesting.
Mr.BA From Singapore, joined Sep 2000, 3423 posts, RR: 22
Reply 3, posted (13 years 4 months 1 week 3 days 3 hours ago) and read 1425 times:
Singapore Airlines's 9V-SQ registered B777s series are not the full ER versions. These B777s are the basic versions which have the range for only 5150nm but their oxgen systems are of the B777-200ER types. The engines they are fitted with (RR trent 884) which are only used on the normal non ER B777s and they do not have the additional fuel tanks hence the 5150nm range.
Singapore Airlines's 9V-SR series registered B777s are the IGW version, they have the uprated engines (RR Trent 892, which is used on the ER version) but they do not have the additional fuel tanks so they cannot fly the range the ERs can.
Singapore Airlines's 9V-SV series registered B777s are the real qualified ER version of the B777s, having everything a B777-200ER should have.