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redzeppelin
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Q About NW DC-9 Codes And Ops, 2002-2007

Fri Jan 10, 2014 7:22 pm

I recently picked up a NW timetable from summer 2002 as part of my ongoing efforts to backfill details of my flight log. I was hoping to clarify which DC-9 variants I may have flown on in that time period. There are three different DC-9 codes used in the timetable, and I want to make sure I interpret them right.

DC9: I believe that this code was used for the DC-9-10.
D95: This code is used for the DC-9-50.
D9S: This code is the one I have questions about. The sources I have looked at say that it can represent the -30, -40, or -50 variants. So given that NW used both the D9S and D95 codes, can I assume that D9S is only used for 30s and 40s, or could the D9S still be operated by a -50? Did they use D9S as a placeholder in the timetable and then assign equipment based on load factors, or was there usually a particular variant always scheduled?

Anyway, I flew on many NW DC-9s between 2002 and 2004 when I was living in RST. I flew the RST-MSP route several times, and the 2002 timetable shows D9S as the only variant on that route. I'm assuming that this was most likely the -30, the most common variant in the NW fleet. Anybody know for sure what variant was normally used on this route?

I flew MSP-YUL-MSP in May 2004, and I recall that the flights were on DC-9 equipment. The 2002 timetable shows D9S for MSP-YUL, but I can't find any hard information about what was used in 2004. Does anybody know for sure?

The last one that I'm really interested in is a flight from 2007. I flew NW1430, MSP-ATL, on 20 Nov 2007. I still have the Orbitz itinerary in my email, and it specifies D9S equipment. Does anybody have any insight as to which variant this would have most likely been?

Thanks for your help!
 
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redzeppelin
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RE: Q About NW DC-9 Codes And Ops, 2002-2007

Fri Jan 10, 2014 8:15 pm

Just realized that I should check the photo database.

Quoting redzeppelin (Thread starter):
I flew MSP-YUL-MSP in May 2004.

The data base shows a bunch of NW DC9s at YUL in early 2004, transitioning to Airbii later in the year. DC-9-30s, -40s, and -50 all visited, but mostly -30s. Hmm.

I don't find anything useful for the other two flights.
 
Cubsrule
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RE: Q About NW DC-9 Codes And Ops, 2002-2007

Fri Jan 10, 2014 8:25 pm

I wouldn't count on timetables for anything. NW routinely subbed DC-9 variants, often within minutes of the flight departing. The registrations on bts.gov should be right, though, and that will give you the type.
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dispatchguy
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RE: Q About NW DC-9 Codes And Ops, 2002-2007

Fri Jan 10, 2014 11:55 pm

Quoting Cubsrule (Reply 2):
The registrations on bts.gov should be right, though, and that will give you the type.

I've tried making heads or tails for that, how?
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Cubsrule
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RE: Q About NW DC-9 Codes And Ops, 2002-2007

Sat Jan 11, 2014 6:40 pm

Quoting dispatchguy (Reply 3):
I've tried making heads or tails for that, how?

Detailed on-time statstics give you tail numbers. NW ones are basically accurate.
I can't decide whether I miss the tulip or the bowling shoe more
 
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redzeppelin
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RE: Q About NW DC-9 Codes And Ops, 2002-2007

Sat Jan 11, 2014 8:23 pm

Found what you are referring to. This is a revelation... Way too much fun. http://www.transtats.bts.gov/DL_Sele...Table_ID=236&DB_Short_Name=On-Time

Haven't looked up everything yet, but it looks like I was aboard N962N (DC-9-30) on 11 June 2002. Now I need to figure out how to crack open an old UNIX email archive to get the exact dates on a few more flights that I remember taking, but don't have good documentation for.

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[Edited 2014-01-11 12:27:04]
 
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redzeppelin
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RE: Q About NW DC-9 Codes And Ops, 2002-2007

Sat Jan 11, 2014 11:31 pm

This is getting more interesting. My first flight was SLC-JFK on DL in 1997. I've long forgotten details of the flight, but assumed it was a 763 based on old timetables. I just pulled it up in the BTS data, and it shows N725DA operating the flight. If true, this is very exciting, because I didn't think I had ever logged the TriStar!

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