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Capriati
3rd Nov 2009, 11:17
MTOW of my company's A332 recently changed from 233000 kg to 228000 kg. Does anyone know more about this?

Regards
Capriati

vinayak
3rd Nov 2009, 11:25
Could they have perhaps changed the thrust settings on the engines or the engines themselves?

Capriati
3rd Nov 2009, 11:32
No, otherwise I would've known this. Nothing else changed. I think Airbus is behind this. If this is the case, more members should notice it.

Regards
Capriati

Nom De Guerre
3rd Nov 2009, 11:42
Paperwork exercise by accountants? Lower MTOW = lower landing fees. Perhaps they concluded that the higher MTOW was rarely or never used and figured they could save money?

Just a speculative scenario. It has been done in the past.

Big Bad D
3rd Nov 2009, 12:52
As Nom De Guerre points out, the change to a different weight variant is normally done for commercial reasons relevant to their specific routes and operation. Lower weight variants are commonly done to save landing fees which can be calculated based on declared MTOW. Weight variant changes are done at the specific airlines request and should have been implemented by Airbus SB to ensure that all weight placards (flight deck, landing gear...) and operational documentation are correctly revised. This is a relatively routine type of airline request and action.

Big Bad D
3rd Nov 2009, 13:13
Capriati, assuming that you are using the abbreviation A332 to represent A330-200 then I would suggest you need to confirm this with your airline. According to the EASA A330 Type Certificate Data Sheet, I don't believe that Airbus have certified a weight variant with 228T MTOW!

Capriati
3rd Nov 2009, 13:33
Big Bad D and Nom De Guerre, thank you for the quick replies.
Big Bad D, yes I do point out the A330-200. I assumed you used this Type Certificate Data Sheet (page 20): http://www.easa.europa.eu/ws_prod/c/doc/Design_Appro/Aircrafts/TCDS%20A.004%20A330%20iss%2017%20dtd%2029%20May%2009.pdf
I see that this one is issue 17, issued on May 29th 2009. This may imply that they are updated regularly. There might be a new one out. I will check this with my airline and let you know. I don't have direct access to Airbus SBs.

Regards
Capriati

Big Bad D
3rd Nov 2009, 16:06
Capriati, please see your Private Messages if you would like me to check further regarding this specific point.
BBD

Capriati
8th Nov 2009, 02:30
Found out the reason for the changed MTOW: lower landing fees and lower fees for crossing airspaces.
NDG and BBD; lots of thanks.

Regards
Capriati

Tinwacker
8th Nov 2009, 09:44
My companies A330-300 are operated at 205T purely for the reasons mentioned, to save on landing fees - Cargo boys don't like it when their pallets are occasionally left behind....:O

Denti
8th Nov 2009, 10:12
Very common reason for something like that. We can even use a different MTOW every single flight to accomodate the loading we have. That way we never pay too much airway or landing fee.

BOAC
8th Nov 2009, 11:18
You do not indicate which country 'Cloud 9' is in, but En-route (Eurocontrol) charges are based on the sqr root of MTOW/50. Some airports charge landing fees based on MLW, some on MTOW. It could even be insurance. Your company will doubtless have found a new MTOW band that saves a bit of moolah somewhere/somewhow on your route structure. As long as the new MTOW is practical and below the max certified by AI and correctly documented (a/c docs and load system) there is no problem. It is a pretty common practice