28 Dec 2025, 17:15 [ UTC - 5; DST ]
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 09:55 |
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Joined: 03/13/13 Posts: 1831 Post Likes: +6544 Location: Conroe, TX
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Username Protected wrote: Roughly speaking, the MU2 produces a new sheet of paperwork every 620 nm and the C560V produces a new sheet of paperwork every 180 nm. This assumes standard office paper, letter size.
Mike C. On a serious note, why is that? Is jet maintenance more scrupulously documented? Factory shops vs Ma and Pa? More required things at intervals, generating pro-forma paper? Do jets break more than MU2's? Did that jet have anything that would generate unusual amounts of paper?Comparing your new jet to your old MU2, 13 years of the MU2 has been under your stewardship, is there a difference in maintenance style that could account for some of that? Were Jet shops using computerized records sooner than your MU2 shops? I know that using an electronic medical record generates great clouds of obfuscatory documentation per unit of useful info, with a corresponding expansion in number of "pages". The difference is easily a factor of 5. Maybe 10. Is there a real difference in dispatch reliability, or AOG? Or is there something about jetness that is really different than turbopropness?
_________________ Strive for a ruthless understanding of reality.
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 12:34 |
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Joined: 02/15/21 Posts: 3204 Post Likes: +1687
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Username Protected wrote: On a serious note, why is that? Is jet maintenance more scrupulously documented? Factory shops vs Ma and Pa? More required things at intervals, generating pro-forma paper? Do jets break more than MU2's? Did that jet have anything that would generate unusual amounts of paper?Comparing your new jet to your old MU2, 13 years of the MU2 has been under your stewardship, is there a difference in maintenance style that could account for some of that?
Were Jet shops using computerized records sooner than your MU2 shops? I know that using an electronic medical record generates great clouds of obfuscatory documentation per unit of useful info, with a corresponding expansion in number of "pages". The difference is easily a factor of 5. Maybe 10.
Is there a real difference in dispatch reliability, or AOG?
Or is there something about jetness that is really different than turbopropness? I always suspected it has at least something to do with ATC not wanting jets declaring an emergency at 410 due to a mechanical failure and having to descend through all the flight levels below, causing havoc with the ATC system. Also, it's simply more dangerous to have something go wrong at 410 versus 250 (e.g. pressurization) and it takes longer to descend and make an emergency landing.
_________________ Aviate, Navigate, Communicate, Administrate, Litigate.
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 14:06 |
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Joined: 10/05/11 Posts: 10335 Post Likes: +7426 Company: Hausch LLC, rep. Power/mation Location: Milwaukee, WI (KMKE)
Aircraft: 1963 Debonair B33
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Username Protected wrote: Roughly speaking, the MU2 produces a new sheet of paperwork every 620 nm and the C560V produces a new sheet of paperwork every 180 nm. This assumes standard office paper, letter size.
Mike C. On a serious note, why is that? Is jet maintenance more scrupulously documented? Factory shops vs Ma and Pa? More required things at intervals, generating pro-forma paper? Do jets break more than MU2's? Did that jet have anything that would generate unusual amounts of paper?Comparing your new jet to your old MU2, 13 years of the MU2 has been under your stewardship, is there a difference in maintenance style that could account for some of that? Were Jet shops using computerized records sooner than your MU2 shops? I know that using an electronic medical record generates great clouds of obfuscatory documentation per unit of useful info, with a corresponding expansion in number of "pages". The difference is easily a factor of 5. Maybe 10. Is there a real difference in dispatch reliability, or AOG? Or is there something about jetness that is really different than turbopropness?
Tangentially related to this question: https://www.avweb.com/aviation-news/pan ... purchases/
_________________ Be Nice
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 15:22 |
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Joined: 12/03/14 Posts: 20980 Post Likes: +26456 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: I had to get an LOA from FSDO to operate in RVSM airspace (pretty voluminous application and 45 days to get an existing plane that was already approved for RVSM so I could operate it.) I don't think you need that any more if ADS-B equipped (which you need above 10,000 ft anyways) per the new rules. Am I misinformed? Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 15:25 |
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Joined: 12/16/07 Posts: 19188 Post Likes: +31080 Company: Real Estate development Location: Addison -North Dallas(ADS), Texas
Aircraft: In between
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Username Protected wrote: I had to get an LOA from FSDO to operate in RVSM airspace (pretty voluminous application and 45 days to get an existing plane that was already approved for RVSM so I could operate it.) I don't think you need that any more if ADS-B equipped (which you need above 10,000 ft anyways) per the new rules. Am I misinformed? Mike C.
This was several years ago Mike. I don't know about now. But it sure was attention getting then.
_________________ Dave Siciliano, ATP
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 16:16 |
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Joined: 04/27/10 Posts: 2319 Post Likes: +1236 Location: Phoenix (KDVT) & Grand Rapids (KGRR)
Aircraft: BE36
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Username Protected wrote: I had to get an LOA from FSDO to operate in RVSM airspace (pretty voluminous application and 45 days to get an existing plane that was already approved for RVSM so I could operate it.) I don't think you need that any more if ADS-B equipped (which you need above 10,000 ft anyways) per the new rules. Am I misinformed? Mike C. I think if you want to operate in Mexico you still need it. Took about 15 minutes on the phone with the SDL FSDO to get it. Ops Spec B046.
_________________ Since Retirement: CL65 type rating, flew 121, CE680, CE525S, and CE500 type ratings.
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 16:54 |
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Joined: 01/11/11 Posts: 1286 Post Likes: +672 Company: FUSION
Aircraft: B300ER B200 C90 DHC6
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Username Protected wrote: why is that? ... turbopropness? Turboprops too! Go figure why... Probably because of legalities and increasing technocracy. A few years ago I ferried one of the last manufactured 1900D. The aircraft was 15 years old, one owner. The entire cargo compartment was filled with boxes of documents, and every seat in the cabin had two additional boxes. Yes, including all work orders, etc., etc. The owner/operator in New Zealand where I took the aircraft had taken really good care of all their 1900s, the one I flew had absolutely no squawks. All the mechanics I met down under were real professionals and sad to see their aircraft go.
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Post subject: Re: Citation 501sp Posted: 01 Mar 2021, 22:48 |
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Joined: 07/28/15 Posts: 68 Post Likes: +41
Aircraft: C510
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Username Protected wrote: why is that? ... turbopropness? Turboprops too! Go figure why... Probably because of legalities and increasing technocracy. A few years ago I ferried one of the last manufactured 1900D. The aircraft was 15 years old, one owner. The entire cargo compartment was filled with boxes of documents, and every seat in the cabin had two additional boxes. Yes, including all work orders, etc., etc. The owner/operator in New Zealand where I took the aircraft had taken really good care of all their 1900s, the one I flew had absolutely no squawks. All the mechanics I met down under were real professionals and sad to see their aircraft go.
That's unbelievable!! Nothing like a good government bureaucracy setting the rules to generate mountains of paperwork!
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Post subject: Re: Citation 501sp Posted: 02 Mar 2021, 02:13 |
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Joined: 02/15/21 Posts: 3204 Post Likes: +1687
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Username Protected wrote: I've been going over the 501 AFM (thanks Mike) and just want to make sure I'm understanding it correctly. For example, in the landing distance table, although it's not explicitly mentioned, is the distance given over a 50' obstacle as FAR 23.75 apparently requires?
And then in the takeoff tables, for example, at 11,850 lbs, sea level, 70 degrees F, zero wind, the takeoff distance is listed as 3,150 feet. If I abort the takeoff at the listed V1 of 97 KIAS, does this mean my accelerate-stop distance (coming to a complete stop) is 3,150 feet per FAR 23.55?
On the other hand, if I lose an engine right after V1 and continue takeoff, will I be at 35 feet above the end of the 3,150 foot runway as FAR 23.59 suggests?
Thanks! Simply put, I think that's a yes, yes, and a yes. The takeoff planning gets more complicated when you are hot and high, and have an obstacle that exceeds your climb gradient during first and second segment climb. If that's the case, you need to back down your takeoff weight. Thanks, John.
Do you know the approximate point down the runway at which V1 is usually reached? Is it two-thirds of the way down? Just wondering how you can tell if the plane is accelerating properly.
There has been some work on developing equipment that would provide a warning if the plane is not accelerating on takeoff or decelerating on landing adequately: https://en.wikipedia.org/wiki/Takeoff_A ... ing_System
I believe some single-engine pilots use the rule that they want to be at no less than 70.7% of liftoff speed by one half runway remaining (no obstacles). AKA the 50/70 Rule.
_________________ Aviate, Navigate, Communicate, Administrate, Litigate.
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Post subject: Re: Citation 501sp Posted: 02 Mar 2021, 02:35 |
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Joined: 01/01/10 Posts: 3503 Post Likes: +2476 Location: Roseburg, Oregon
Aircraft: Citation Mustang
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It’s all a big equation. From a pure book procedure, one sets full power with brakes on, then release. If you’re making full power, you’re not going to have an extended takeoff roll. The only way you won’t is if you’re not making your N1 values, in which case you abort. If engines spool up as anticipated, you’re going to reach V1 on schedule and balanced field length will be as planned. As far as what percentage of runway you use, it depends on the length of the runway, the gross takeoff weight, the runway elevation, the runway gradient, the air temperature, and the barometric pressure. Turbines aren’t ambiguous.
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Post subject: Re: Citation 501sp Posted: 02 Mar 2021, 03:29 |
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Joined: 02/15/21 Posts: 3204 Post Likes: +1687
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Username Protected wrote: It’s all a big equation. From a pure book procedure, one sets full power with brakes on, then release. If you’re making full power, you’re not going to have an extended takeoff roll. The only way you won’t is if you’re not making your N1 values, in which case you abort. If engines spool up as anticipated, you’re going to reach V1 on schedule and balanced field length will be as planned. As far as what percentage of runway you use, it depends on the length of the runway, the gross takeoff weight, the runway elevation, the runway gradient, the air temperature, and the barometric pressure. Turbines aren’t ambiguous. Of course, the length of the runway, the gross takeoff weight, the runway elevation, the runway gradient, the air temperature, and the barometric pressure (and wind direction/speed) all must be correctly taken into account. But mistakes can happen, and there have been several incidents in which one or more of these parameters was miscalculated. Also consider the possibility of sticking brakes, underinflated tires, contamination on the runway, a sudden shift in wind, etc., all of which could extend your takeoff roll.
_________________ Aviate, Navigate, Communicate, Administrate, Litigate.
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Post subject: Re: Citation 501sp Posted: 02 Mar 2021, 05:51 |
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Joined: 02/15/21 Posts: 3204 Post Likes: +1687
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Username Protected wrote: It looks like for most European countries no permission is required for overflight: https://www.universalweather.com/blog/o ... uirements/Would you be flying the 500/501 on a US license or a European one? I'm only familiar with the US requirements. How does Europe treat the SPE issue? Also, are there good places in Europe to get a 500/501 serviced?
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