Acronym Help

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Interesting. The Seminole that I'm flying now has (from what I understand) a squat switch on the left main gear that keeps the warning horn from going off on the ground. Guess I have to just have faith that it'll work in the air, or at least check to see that the tabs move freely (which I always do).

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I had an instructor who was also an A&P. He showed me which switch it was and how to deactivate it with a pencil so that the horns can be checked . . .
 
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A stall warning horn is not required equipment so you could operate the a/c without it.

[/ QUOTE ]You didn't answer the part about what airplane we are talking about. If it's a 172 for example, sorry. This is exactly the wrong answer that so many pilots who memorized one of the 91.205 mnemonics have given.
 
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A stall warning horn is not required equipment so you could operate the a/c without it.

[/ QUOTE ]You didn't answer the part about what airplane we are talking about. If it's a 172 for example, sorry. This is exactly the wrong answer that so many pilots who memorized one of the 91.205 mnemonics have given.

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How about my answer? Look above a few posts, I said the stall warning horn is required what it was type certificated for.
 
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How about my answer? Look above a few posts, I said the stall warning horn is required what it was type certificated for.

[/ QUOTE ]You are essentially correct. You obviously have not fallen into the trap that many do with the acronym. The "trap" is that forced memorization of a 91.205 tends to raise it in importance compared to looking at other things.

The question of what is "required" equipment isn't answered by 91.205. It's a combination of 91.205, other FARs, such as 91.209, which requires your 1967 Cherokee's beacon (assuming it has one) to be operating for even a daytime flight, the certification regulations you mention, and items listed as required in the aircraft's TCDS or equipment list. (the stall warning horn is labeled "Required" in most 172 POH - at least N-model and later I haven't looked at some of the very early models)
 
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The question of what is "required" equipment isn't answered by 91.205. It's a combination of 91.205, other FARs, such as 91.209, which requires your 1967 Cherokee's beacon (assuming it has one) to be operating for even a daytime flight, the certification regulations you mention, and items listed as required in the aircraft's TCDS or equipment list. (the stall warning horn is labeled "Required" in most 172 POH - at least N-model and later I haven't looked at some of the very early models)

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Not the answer I'd give a 5-hour student, still learning how to find the aircraft on the line....
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Not the answer I'd give a 5-hour student, still learning how to find the aircraft on the line....
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[/ QUOTE ]Me neither. But there's no way I'd let her think for a minute that burning a red fruit that is often confused with a vegetable was the answer to what equipment was required on the airplane she was flying
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Not the answer I'd give a 5-hour student, still learning how to find the aircraft on the line....
crazy.gif


[/ QUOTE ]Me neither. But there's no way I'd let her think for a minute that burning a red vegetable was the answer to what equipment was required on the airplane she was flying
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A Tomato is a fruit....
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FAR 91 Equipment

G - gas gauge
O - oil temp
O - oil pressure
S - seatbelt
E - ELT
A - airspeed
C- compass
A - altimeter
T -Tachometer

I don't think I learned one for night.
 
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1. What kind of airplane do you usually fly? Assume it has no MEL.

2. You go out to the airplane (the on eyou usually fly) one morning for a day VFR flight. It's CAVU with calm winds. During your preflight inspection, you find that the stall warning horn isn't working. Assuming that you feel that it is perfectly safe to fly without it, from solely an FAR standpoint, may you fly the airplane? Why or why not? If not, what do you need to do to make it okay?

When I originally ran this, I was surprised how many got it wrong and amazed at the number of CFIs who got it wrong.

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A stall warning horn is not required equipment so you could operate the a/c without it. However...since it is equipment on the airplane that is now not working you would have to disconnect it and placard it so.

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If the inop equipment ( in this case stall horn ) is not part of the Day/ night VFR equipment, you have to look in the POH/AFM list of equipment supplimental type certificate for that plane. The Cessna manual says that the stall horn ( R ) is required. You can't just mark it inop and remove the power source. You must get it fixed or if there is no maint shop on the field, apply for a ferry permit.
 
Where in the POH would it list the required equipment? I have my C150 POH right here and am not finding it.
 
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Where in the POH would it list the required equipment? I have my C150 POH right here and am not finding it.

[/ QUOTE ]Whether it's in the manual or not can depend on the age of the airplane. Look at the weight and balance section. Is there a list of all the equipment that is on the airplane? If there is, you'll see that to the left of each piece of equipment there is a letter : R or O or A (there may be one more). The "R" means that it's required equipment.
 
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Where in the POH would it list the required equipment? I have my C150 POH right here and am not finding it.

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The Cessna 150 is an older model and the manual has changed per FAR's. Look at a Skyhawk manual and you will see it. Also look at the weight and balance sheet for listed equipment if the manual doesn't have one. If you still don't see one, you have to contact Cessna who would have the information you need. You can't just go by the acronym alone, you have to have the required equipment list.
 
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No, I dont see it in the POH... I think Im just gonna go with the acronymn on this one.

[/ QUOTE ]If you do, I guarantee that you will be wrong at some point (unless everything is always working). BTW, does the acronym you use require the beacon or stobes to be working for day VFR if the airplane has one?

One source is the airplane's Type Certificate Data Sheet. These can be found at http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/MainFrame?OpenFrameSet

For example, the stall warning horn example, the TCDS for the C150 Series includes for required equipment:

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1. Stall warning indicator, audible, Cessna Dwg. 0511062 (Model 150 through 150E)

2. Stall warning indicator, audible, Cessna Dwg. 0413029 (Model 150F through 150M, 1977 Model) (A150K through A150M, 1977 Model) (152 and on, A152 and on)
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