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Joined: Wed Feb 16, 2005 12:15 am

Max. Aircraft Range Questions

Tue May 10, 2005 4:04 pm

I hope this belongs here.

The Aircraft Data and History section states for the RJX85: "Range 3295km (1780nm)."

This the maximum possible range without any cargo, I guess. What are typical ranges in everyday operations? How can they be calculated based on the maximum range, for this aircraft and in general?

What additional range restrictions / fuel reserve regulations apply in commercial aviation? Are there different rules for private aviators?
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RE: Max. Aircraft Range Questions

Wed May 11, 2005 11:38 am

As a general rule (rule of thumb) the maximum range figure published for a jet transport type, when empty, can be reduced by 40% with a maximum payload.

Commercial operators require sufficient fuel reserves to meet their regulatory requirements, which varies from country to country.

Private operators can generally decide for themselves what fuel reserves are required, subject to much less regulatory restrictions than commercial operators.
Most private jet operators in the USA use NBAA fuel reserves, which are generally more restrictive than required by 14CFR91.
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RE: Max. Aircraft Range Questions

Wed May 11, 2005 11:44 am

The rule tends to be that you can have max range, or max payload, but not both. If you fill up with fuel for max range, the plane becomes too heavy for max payload (not to be confused with max take off weight).
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo

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