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Difference Between CRJ-705 And CRJ-900  
User currently offlineHaggis79 From Germany, joined Jun 2006, 1096 posts, RR: 1
Posted (7 years 8 months 3 weeks 6 days 7 hours ago) and read 9022 times:

Hi everyone,

can anyone tell the exact differences between the CRJ-705 and CRJ-900 series? I thought it all would come down just to the question if there's a First/Business class (705) or not (900), but SkyWest calls its planes CRJ-900 despite having a First class section...


300 310 319/20/21 332/3 343 AT4/7 143 B19 732/3/4/5/G/8/9 742/4 752/3 763/4 77E/W CR2/7/9 D95 E45/70 F50 F70 100 M11 M90
16 replies: All unread, jump to last
 
User currently offlineB6WNQX From United States of America, joined Jun 2006, 245 posts, RR: 0
Reply 1, posted (7 years 8 months 3 weeks 6 days 7 hours ago) and read 8990 times:

If I remember correctly, they are the same size but they are each certified to fly so many passengers (76 for the 705 & 86 for the 900?). This was to help the scope clauses I believe and to get better performance for the 705. Please correct me if I am mistaken.

User currently offlineSNATH From United States of America, joined Mar 2004, 3238 posts, RR: 22
Reply 2, posted (7 years 8 months 3 weeks 6 days 7 hours ago) and read 8976 times:

Quoting B6WNQX (Reply 1):
If I remember correctly, they are the same size but they are each certified to fly so many passengers.

...and I think you are correct!!!

Tony



Nikon: we don't want more pixels, we want better pixels.
User currently offlineBucky707 From United States of America, joined Aug 2000, 1028 posts, RR: 3
Reply 3, posted (7 years 8 months 3 weeks 6 days 6 hours ago) and read 8957 times:

Quoting B6WNQX (Reply 1):
This was to help the scope clauses I believe and to get better performance for the 705

there really is no difference between the 705 and the 900. Seating is it. But a 73G is a 73G no matter how you configure the seating.

The name CRJ-705 originally came about from a joint effort of Bombardier and USAirways to get around the USAirways pilot contract which limited RJ flying to CRJ-700s. They intended for it to mean a 70 seat RJ. (the E-170 was around at the time, but was not really to be outsourced, instead was to be flown by USAirways pilots for MidAtlantic) Poorly written scope, but that was the intent. Management decided to try and get around that and fly a larger RJ by getting Bombardier to come up with a version called the -705. But a 705 is just a 900 by a different name.

Look it up. There are no external differences between the 705 and the 900. So why is it not called a 905?

[Edited 2006-11-08 21:08:02]

User currently offlineGoldenshield From United States of America, joined Jan 2001, 5970 posts, RR: 14
Reply 4, posted (7 years 8 months 3 weeks 6 days 6 hours ago) and read 8924 times:

Quoting Haggis79 (Thread starter):
SkyWest calls its planes CRJ-900 despite having a First class section...

The aircraft is certified as a -900, but until the Delta pilots ratify a new scope-clause, the aircraft will remain at 70 seats.



Two all beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.
User currently offlineBucky707 From United States of America, joined Aug 2000, 1028 posts, RR: 3
Reply 5, posted (7 years 8 months 3 weeks 6 days 6 hours ago) and read 8918 times:

Quoting Goldenshield (Reply 4):
The aircraft is certified as a -900, but until the Delta pilots ratify a new scope-clause, the aircraft will remain at 70 seats.

The aircraft is a 900. The pilots scope is certified as per the new contract, but DCI cannot fly a 76 seater until Jan 07, so until then Skywest is flying the -900 at 70 seats.


User currently offlineGoldenshield From United States of America, joined Jan 2001, 5970 posts, RR: 14
Reply 6, posted (7 years 8 months 3 weeks 6 days 6 hours ago) and read 8905 times:

Quoting Bucky707 (Reply 5):
The aircraft is a 900. The pilots scope is certified as per the new contract, but DCI cannot fly a 76 seater until Jan 07, so until then Skywest is flying the -900 at 70 seats.

Isn't that what I just said?



Two all beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.
User currently offlineBucky707 From United States of America, joined Aug 2000, 1028 posts, RR: 3
Reply 7, posted (7 years 8 months 3 weeks 6 days 6 hours ago) and read 8905 times:

Quoting Goldenshield (Reply 6):
Isn't that what I just said?

not really, you said the pilot's new scope had to be ratified. The entire contract was ratified back in the early summer.


User currently offlineGoldenshield From United States of America, joined Jan 2001, 5970 posts, RR: 14
Reply 8, posted (7 years 8 months 3 weeks 6 days 6 hours ago) and read 8879 times:

Quoting Bucky707 (Reply 7):
The entire contract was ratified back in the early summer.

Details, details. So I was off on the date a tad.



Two all beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.
User currently offlinePlanemaker From Tuvalu, joined Aug 2003, 6126 posts, RR: 34
Reply 9, posted (7 years 8 months 3 weeks 6 days 6 hours ago) and read 8821 times:

Quoting Bucky707 (Reply 3):
Look it up. There are no external differences between the 705 and the 900. So why is it not called a 905?

The real difference is that the 705 is certified for only 75-pax and an airline can't increase the seating (just like the CRJ440). And therefore it is also cheaper than the 900.



Nationalism is an infantile disease. It is the measles of mankind. - A. Einstein
User currently offlineHeavy747 From Canada, joined Mar 2000, 97 posts, RR: 0
Reply 10, posted (7 years 8 months 3 weeks 6 days ago) and read 8649 times:

There is a physical change to the aircraft! The winglets are different on the -705 than on the -900's. They look longer and seem to have more of an angle to them.. Take a look

http://www.airliners.net/open.file/1108573/M/
http://www.airliners.net/open.file/1096009/M/

compared to

http://www.airliners.net/open.file/1127370/M/



Aviation Enthusiast Extraordinaire
User currently offlineA330323X From United States of America, joined Oct 2003, 3039 posts, RR: 44
Reply 11, posted (7 years 8 months 3 weeks 6 days ago) and read 8632 times:

Quoting Bucky707 (Reply 3):
The name CRJ-705 originally came about from a joint effort of Bombardier and USAirways to get around the USAirways pilot contract which limited RJ flying to CRJ-700s. They intended for it to mean a 70 seat RJ. (the E-170 was around at the time, but was not really to be outsourced, instead was to be flown by USAirways pilots for MidAtlantic) Poorly written scope, but that was the intent. Management decided to try and get around that and fly a larger RJ by getting Bombardier to come up with a version called the -705.

You're correct in where the name came from, but the scope clause in the US-ALPA contract was written just fine. Management did pulling a fast one as you said by calling it a "CRJ-700, Series 705", but the scope clause in fact contained MTOW limits that the -705 was too heavy for, and ALPA called them on it, hence US having to switch its order to the -701.



I'm the expert on here on two things, neither of which I care about much anymore.
User currently offlineTIMEAIR From Canada, joined May 2005, 436 posts, RR: 0
Reply 12, posted (7 years 8 months 3 weeks 5 days 23 hours ago) and read 8605 times:

The designator was in fact to meet the scope clause for ACjazz and Air Canada, hence ACJazz being the 1st to operate them (705 series)...


You can't get there from here.
User currently offline787KQ From United States of America, joined Mar 2006, 547 posts, RR: 0
Reply 13, posted (7 years 8 months 3 weeks 5 days 23 hours ago) and read 8592 times:

Specifications from Bombardier. The 900 and 705 have same dimensions, the 700 is shorter.

CRJ900
http://www.crj.bombardier.com/CRJ/en...jsp?langId=en&crjId=900#dimensions
External:
Length overall 119 ft 4 in 36.40 m
Wingspan 81 ft 6 in 24.85 m
Wing area (net) 760 ft2 70.61 m2
Height overall 24 ft 7 in 7.51 m
Fuselage maximum diameter 8 ft 10 in 2.69 m

CRJ705
http://www.crj.bombardier.com/CRJ/en...jsp?langId=en&crjId=705#dimensions
External:
Length overall 119 ft 4 in 36.40 m
Wingspan 81 ft 6 in 24.85 m
Wing area (net) 760 ft2 70.61 m2
Height overall 24 ft 7 in 7.57 m
Fuselage maximum diameter 8 ft 10 in 2.69 m
Turning Circle 90.2 ft 27.49 m

CRJ700
http://www.crj.bombardier.com/CRJ/en...jsp?langId=en&crjId=700#dimensions
External:
Length overall 106 ft 8 in 32.51 m
Wingspan 76 ft 3 in 23.24 m
Wing area (net) 760 ft2 70.61 m2
Height overall 24 ft 10 in 7.57 m
Fuselage maximum diameter 8 ft 10 in 2.69 m
Turning Circle 75 ft 22.86 m


User currently offlineA330323X From United States of America, joined Oct 2003, 3039 posts, RR: 44
Reply 14, posted (7 years 8 months 3 weeks 5 days 22 hours ago) and read 8506 times:

Quoting TIMEAIR (Reply 12):
The designator was in fact to meet the scope clause for ACjazz and Air Canada, hence ACJazz being the 1st to operate them (705 series)...

No, it wasn't. Jazz being the first to operate them is completely irrelevant.

Jazz placed their order on September 27, 2004.

The designator was created for US Airways, who placed their order on May 12, 2003, well over a year before the Jazz order.

Heck, US *cancelled* their -705 order on July 9, 2003, still over a year before the Jazz order.



I'm the expert on here on two things, neither of which I care about much anymore.
User currently offlineBucky707 From United States of America, joined Aug 2000, 1028 posts, RR: 3
Reply 15, posted (7 years 8 months 3 weeks 5 days 12 hours ago) and read 8405 times:

Quoting A330323X (Reply 11):
the scope clause in fact contained MTOW limits that the -705 was too heavy for

didn't know that. I stand corrected.


User currently onlineCRJ900 From Norway, joined Jun 2004, 2173 posts, RR: 1
Reply 16, posted (7 years 8 months 3 weeks 5 days 9 hours ago) and read 8317 times:
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Quoting Heavy747 (Reply 10):
The winglets are different on the -705 than on the -900's.

Not any more. MESA is the only CRJ900 operator with the "original" winglets, IIRC, as the -705 winglets are now standard on all new-build CRJ900 delivered to all other -900 operators, because they offer better economics and aerodynamics.



Come, fly the prevailing winds with me
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