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Old 7th Aug 2016, 10:47
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Petermonyet
 
Join Date: Jun 2016
Location: Asia
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Use GTC to operate packs B737

I have question, can I use GTC to operate the packs B737NG? Is this what supplement procedure "external air cart" is talking about?
Last week my ground crew said I can only use GTC to start the engine, not to operate the packs. Is this correct and why?
Thanks for info..
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