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Old 23rd Dec 2018, 22:52
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Wakatopatopa
 
Join Date: Jun 2014
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Bell 407 Internal Max Weight Graph FMS28
Hi guys/gals, looking at the Bell 407 OGE hover ceiling graph (FMS 28). Wondering why the MAX GW Internal line deviates to the left about 2/3rds of the way up? Effectively reducing the allowable internal weight considerably with altitude compared to what you can carry externally.

Have heard a few 'theories' from fellow 407 pilots. The most likely so far being extra safety margins for internal load as it cannot be jettisoned like external?

Thoughts?
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