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Old May 15th 07, 03:42 PM posted to rec.aviation.student,rec.aviation.piloting
Mark T. Dame
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Posts: 67
Default preparing for commercial oral and practical

Jose wrote:
Now, as Jose pointed out, on the Arrow it's not very significant


Actually I wasn't implying (half an inch) that it wasn't very
significant - when the CG range is only a handful of inches, it's
significant. And certainly when you're near the edge it bears watching.


At the risk of arguing semantics, I wasn't saying "insignificant" only
"not very significant". I don't have my Arrow book here, but I believe
the CG range is around 10 to 12 inches. If you load well within the
envelope, the half inch is not going to have an appreciable affect on
aircraft performance.

But I'm getting off topic: what should someone expect on their
commercial checkride.

Make sure to do a W&B for gear up and gear down with takeoff fuel and
landing fuel. If the examiner doesn't care, then no big deal, but if
the examiner wants to see it and you didn't do it, then you have a
strike against you. On checkrides, you'll get plenty of strikes without
creating ones that could be easily avoided by a little bit of prep work.

Even if the examiner doesn't want or expect it, it can't hurt to have it
(unless you do it wrong).


-m
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## Mark T. Dame
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