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Is It Possible To Convert 777-300ER To Combi?  
User currently offlineAirCanada014 From Canada, joined Oct 2005, 1513 posts, RR: 0
Posted (8 years 9 months 3 weeks 4 days 5 hours ago) and read 4912 times:

Hello all

I was wondering is it possible to convert 777-300ER to combi version?. I understand the weight issue will be heavier, I know the range will be shorter and it will burn more fuel. Just for the sake of it can it do it? It will carry additional cargo just like the ex AC 747-400 combi.

comments are appreciate please.

7 replies: All unread, jump to last
 
User currently offlineLTU932 From Germany, joined Jan 2006, 13864 posts, RR: 50
Reply 1, posted (8 years 9 months 3 weeks 4 days 5 hours ago) and read 4905 times:

It can be done. Only problem is whether the FAA is willing to certify it. I recall the FAA has beefed up the regulations regarding the certification of combis. Except for those that have already been fully certified, new Combis would require a fixed wall that separates cargo from passengers, which would take away some flexibility from combi operators.

User currently offlineUAL747 From , joined Dec 1969, posts, RR:
Reply 2, posted (8 years 9 months 3 weeks 4 days 5 hours ago) and read 4884 times:

Anyone have pics of a 747 combi from the inside, both passenger and cargo views? How short was the passenger cabin?

UAL


User currently offlineDfwRevolution From United States of America, joined Jan 2010, 997 posts, RR: 51
Reply 3, posted (8 years 9 months 3 weeks 4 days 5 hours ago) and read 4867 times:

Quoting LTU932 (Reply 1):
It can be done. Only problem is whether the FAA is willing to certify it.

The FAA will only certify an aircraft that a fixed and solid barrier between human and freight cargo on the same deck. This is to ensure adaquet fire and materials safety.

Problems being (1) finding a customer who wants a combi that bad to jump through the necessary hoops, (2) the solid partition mitigates some of the flexibility and alure of combi aircraft.


User currently offlineAirCanada014 From Canada, joined Oct 2005, 1513 posts, RR: 0
Reply 4, posted (8 years 9 months 3 weeks 4 days 5 hours ago) and read 4857 times:

Here's the link to the picture of AC's 747-400 Combi. sorry can't understand how to put pictures up but i know how to put a link to it.

http://www.airliners.net/open.file?i...%20ol%20cubgb_vq%20QRFP&photo_nr=2

http://www.airliners.net/open.file?i...%20ol%20cubgb_vq%20QRFP&photo_nr=5

http://www.airliners.net/open.file?i...%20ol%20cubgb_vq%20QRFP&photo_nr=6


User currently offlineN328KF From United States of America, joined May 2004, 6491 posts, RR: 3
Reply 5, posted (8 years 9 months 3 weeks 4 days 5 hours ago) and read 4819 times:

Quoting AirCanada014 (Reply 4):
Here's the link to the picture of AC's 747-400 Combi. sorry can't understand how to put pictures up but i know how to put a link to it.


View Large View Medium
Click here for bigger photo!

Photo © Pier Picone


View Large View Medium
Click here for bigger photo!

Photo © Andreas Schmitz


View Large View Medium
Click here for bigger photo!

Photo © Andreas Schmitz




When they call the roll in the Senate, the Senators do not know whether to answer 'Present' or 'Not guilty.' T.Roosevelt
User currently offlineTod From Denmark, joined Aug 2004, 1729 posts, RR: 3
Reply 6, posted (8 years 9 months 3 weeks 4 days 3 hours ago) and read 4761 times:

Retrofitting a rigid cargo barrier probably isn't the biggest challenge. Modifying the carbon fiber floor beams would be an issue. Most likely, they would need to be completely replaced in the combi zone, because Boeing won't support any modifications to them. Eventually it get to a point where you might as well buy a new plane.

Tod


User currently offlinePictues From Canada, joined Nov 2004, 246 posts, RR: 0
Reply 7, posted (8 years 9 months 3 weeks 4 days 2 hours ago) and read 4732 times:

Quoting LTU932 (Reply 1):
It can be done. Only problem is whether the FAA is willing to certify it. I recall the FAA has beefed up the regulations regarding the certification of combis. Except for those that have already been fully certified, new Combis would require a fixed wall that separates cargo from passengers, which would take away some flexibility from combi operators.

Actually that is quite correct, Air Canada's B747-400 Combis were permenent combis as they had fixxed barriers and beefed up floors. AC could not change from full pax to combi, it was a fixed combi. This caused the plane to burn more fuel then other combi B744's and pax B744's.


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