Is standard equipment on a comprehensive equipment list required for airworthiness?

91.213 tells us that one of the sources for required operational equipment is the manufacturer's list of items marked "required" in the equipment list contained in the weight and balance section of the modern POH.
 
At least in the Skyhawk POH there's "R" for required and "S" for standard. Items marked "S" aren't required for airworthiness.

Fix
 
Yep, I am looking at the C172 POH, my instructor told me S items are required for airworthiness, I call bull •...
 
I would say that standard is not required, because IIRC the baggage net on a 172 missing would ground the airplane.

But hell, there I go using logic again, so YMMV

If a coffee pot on a Part25 airplane is broken, it's grounded. On a CRJ, if the little leather pen holder is missing/broken on the A pillar, there is no MEL, and the plane is grounded. Logic has no place in aviation.
 
If a coffee pot on a Part25 airplane is broken, it's grounded. On a CRJ, if the little leather pen holder is missing/broken on the A pillar, there is no MEL, and the plane is grounded. Logic has no place in aviation.
Can be deferred as NEF.

The logic is there you just have to put the time into finding it.

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Maybe, just maybe, "standard" equipment is included in the empty W+B, so if it is missing the airplane is technically not legal because you don't know if it's out of balance? I dunno -- grasping at straws here.

This thread is relevant:
http://forums.jetcareers.com/threads/piper-seminole-static-wicks.110899/
Back in my cfi days, my eeaarrllyyy cfi days, I had a fed tell me that if a cup holder was missing out of our new g1000 c172, it wouldn't be legal for the exact reasons you posted....weight and balance. I didn't know enough back then to look it up. Inexperience I suppose.

I see it as plausible though...

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Back in my cfi days, my eeaarrllyyy cfi days, I had a fed tell me that if a cup holder was missing out of our new g1000 c172, it wouldn't be legal for the exact reasons you posted....weight and balance. I didn't know enough back then to look it up. Inexperience I suppose.

I see it as plausible though...

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"Change to weight and balance negligible".
 
I figured there was an easy way to negate the hassle.

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2 things: do you measure what notch you and your instructor have the front seats in every flight and correct your weight and balance for that? Because that has much more of an effect on weight and balance than cup holders do. Second, unless the plane regularly goes on a certified set of scales with the fuel tanks drained your weight and balance is, well, a little better than a best guess but certainly not precise.
 
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